审视短期主义:质疑其前提
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GLOBAL FINANCIAL STRATEGIES www.credit-suisse.com
2014 年 11 月 18 日:对短期主义的长期审视:质疑其前提
A Long Look at Short-Termism Questioning the Premise November 18, 2014
Authors
Authors
迈克尔·J·莫布森(Michael J. Mauboussin)[email protected]
Michael J. Mauboussin [email protected]
丹·卡拉汉,特许金融分析师 (CFA),[email protected]
Dan Callahan, CFA [email protected]
“……管理者的具体任务,是在每一个决策和行动中,协调近期与长远未来的要求。管理者不能牺牲任何一方,否则将危及企业。”
“The . . . specific task of managers is to harmonize in every decision and action the requirements of the immediate and long-range future. Managers cannot sacrifice either without endangering the enterprise.”
彼得·德鲁克《人与绩效》
Peter F. Drucker People and Performance
短视行为据说困扰着投资界的各方参与者,包括投资经理、公司以及投资者。然而,这一点很难得到证实。
Short-termism is said to plague all parties in the investment community, including investment managers, companies, and investors. However, it is very difficult to prove.
要评估市场短期主义的影响,正确的分析层面不是个人说了什么,而是股市做了什么。
To assess and evaluate the impact of market short-termism, the right level of analysis is not what individuals say but rather what the stock market does.
对许多公司而言,缩短时间跨度是对经济现实的合理回应。
For many companies, a contraction in time horizon is a proper response to economic reality.
患上短期主义的企业高管和投资者,是一对舞伴,他们因彼此的特性而相互吸引。
Corporate executives and investors who suffer from short-termism are partners in a dance who are attracted to one another based on their characteristics.
在构建投资组合时,相关的持有期是投资者暴露于某一资产类别的时间长度,而非某一只股票或基金本身的换手率。
The holding period that is relevant in portfolio construction is the time an investor is exposed to an asset class, not the turnover for a particular stock or fund.
我们提出了具体建议,帮助投资经理、公司和投资者应对短期主义压力。
We provide specific recommendations to deal with the pressures of short-termism for investment managers, companies, and investors.
Introduction
Introduction
“短期主义”被广泛认为是投资行业的一大问题。短期主义是一种倾向,即做出那些在短期内看似有利、却牺牲了长期更高回报的决策。例如,一家公司削减研发预算以提升今年的盈利,却放弃了未来的更大利润,这就是短期主义的表现。同样,一位投资者放弃一只价格远低于内在价值的股票,转而基于预期的短期价格波动买入另一只股票,也属于短期主义行为。
“Short-termism” is widely accepted as a major problem in the investment industry. Short-termism is the tendency to make decisions that appear beneficial in the short term at the expense of decisions that have a higher payoff in the long term. For example, a company exhibits short-termism when it cuts its research and development budget to deliver higher earnings this year, forsaking larger profits in the future. Likewise, an investor who forgoes a stock that trades at a steep discount to intrinsic value to buy a stock based on an anticipated near-term price move engages in short-termism.
据称,短视主义困扰着投资界的各方参与者,包括投资经理、公司和投资者。典型的故事版本是:投资者要求短期回报,迫使投资经理着眼于眼前收益,最终促使投资经理向公司施压以求季度业绩。短视主义已经引发了大量焦虑不安的情绪。
Short-termism is said to plague all parties in the investment community, including investment managers, companies, and investors. The typical story is that investors demand short-term results, forcing investment managers to dwell on immediate gains, which ultimately spur investment managers to press companies for quarterly results. Short-termism has caused a great deal of hand-wringing.1
问题在于,短期主义很难被证实。正如我们将看到的,许多通常被视为短期主义症状的现象,经不起推敲,而且时间视野缩短也有一些合理的原因。尽管仍有大量改进空间,尤其是在激励机制方面,但短期主义这个问题,在公众讨论中值得得到比目前更审慎的对待。几乎毫无例外,这场辩论看起来非常一边倒。2
The problem is that short-termism is very difficult to prove. As we will see, many of the common perceived symptoms of short-termism don’t hold up to scrutiny, and there are some legitimate reasons for the shortening of time horizons. While there remains plenty of room for improvement, especially when it comes to incentives, the issue of short-termism deserves more care than it has received in the popular discourse. With little exception, the debate appears to be very one-sided.2
麦肯锡公司顾问多米尼克·巴顿与加拿大养老金计划投资局总裁兼首席执行官马克·怀斯曼最近在一篇文章中的引述,精准捕捉了当下的普遍情绪:
A quote from a recent article by Dominic Barton, a consultant at McKinsey & Company, and Mark Wiseman, president and chief executive officer (CEO) of the Canada Pension Plan Investment Board, captures the prevailing mood:
……短期主义的阴影仍在蔓延——情况甚至可能正在恶化。其结果是,企业投资和长期价值创造的能力减弱,从而削弱了整体经济增长,降低了储蓄者的投资回报。
“. . . the shadow of short-termism has continued to advance—and the situation may actually be getting worse. As a result, companies are less able to invest and build value for the long term, undermining broad economic growth and lowering returns on investment for savers.
我们认为,问题的主要根源在于金融市场持续施压上市公司追求短期利益最大化。”³ 尽管关于短期主义的讨论在金融危机后从微温慢炖变成了翻滚沸腾,但对短期主义的担忧早已存在。请看以下引述:“股票的平均持有期已从 1960 年的 7 年以上降至如今的约 2 年。这一下降意味着投资者买卖公司股票的频率发生了剧烈变化。这或许是投资者眼光日趋短浅的最有力证据。”——迈克尔·E.
The main source of the problem, we believe, is the continuing pressure on public companies from financial markets to maximize short-term results.”3 While the discussion of short-termism has gone from a mild simmer to a rolling boil following the financial crisis, concerns about short-termism have been around for a long time. Consider the following quotations: “The average holding period of stocks has declined from over seven years in 1960 to about two years today. This decline implies a dramatic shift in the frequency with which investors buy and sell corporate equities. It is perhaps the most telling evidence of shortening investor horizons.” - Michael E.
波特(1992)⁴“考虑到机构投资者的巨大买力,这类投机性短线交易显然存在风险,可能会实质上控盘个股。无论如何,这类活动往往会导致不必要的大幅价格波动。我对这一趋势感到不安。无论动机多么值得称赞,在我看来,此类做法暗含毒害性。”
Porter (1992)4 “Given the large buying power of their institutions, there is an obvious risk that speculative in-and-out trading of this type may virtually corner the market in individual stocks. And in any event, activity of this kind tends to create undesirably volatile price fluctuations. I find this trend disquieting. However laudable the intent may be, it seems to me that practices of this nature contain poisonous qualities.”
——威廉·麦克切斯尼·马丁(1967):“他们大多数(指专业投资者和投机者)实际上主要关心的,并不是对一项投资在其整个生命周期中的可能收益做出卓越的长期预测,而是要比普通大众更早预见到短期内的传统估值基础变化。”
- William McChesney Martin (1967)5 “For most of [the professional investors and speculators] are, in fact, largely concerned, not with making superior long-term forecasts of the probable yield of an investment over its whole life, but with foreseeing changes in the conventional basis of valuation a short time ahead of the general public.
他们关心的,不是一笔投资对一名“永久持有”的买家究竟值多少钱,而是在大众心理作用下,三个月或一年后市场会如何给它定价。”——约翰·梅纳德·凯恩斯(1935 年)⁶
They are concerned, not with what an investment is really worth to a man who buys it ‘for keeps,’ but with what the market will value it at, under the influence of mass psychology, three months or a year hence.” - John Maynard Keynes (1935)6
关于短期主义的抱怨,与对当代写作水准的哀叹如出一辙。每一代人都觉得写作水平江河日下,怀念起过去那些作者文笔清晰、生动有力、标点规范的“美好旧时光”。7 大多数世代都有一种感觉:至少有些事情过去比现在好,要是能回到从前,生活就会变好。
Complaints about short-termism echo the laments about the contemporary standard of writing. Every generation thinks that writing is going to hell and pines for the good old days when authors wrote with clarity, verve, and proper punctuation.7 Most generations have a sense that at least some things were better in the past than in the present and that life would improve if we could revert to how things used to be.
当然,仔细审视之下,昔日的美好时光极少像记忆中那般田园诗意。这对市场而言尤其如此。相比过去,如今的投资者信息更充分(因公平披露条例而实现了信息均等),训练更精良,能使用更强大的计算能力,且交易成本更低。这一点对公司而言同样成立。当今的公司比以往任何时候都更精明、管理更出色,并以更低的成本提供更优质的产品。在过去十年间,像《萨班斯-奥克斯利法案》这样的立法,也改善了公司治理实践。那么,这种明显的危机感从何而来?
Upon closer examination, of course, the good old days were rarely as idyllic as memory suggests. This is certainly true for markets. Investors are now more informed (and uniformly so because of Regulation FD), better trained, have access to superior computing power, and face lower transaction costs than those of the past. The same is true for companies. Today’s companies are more sophisticated, better managed, and deliver better products at a lower cost than ever before. Legislation, such as Sarbanes-Oxley, has improved governance practices in the past decade. So why the palpable sense of trouble?
为何短期主义比以往任何时候都更让人感觉尖锐
Why Short-Termism Feels More Acute Than Ever
“微观-宏观”问题给分析当今投资者是否比过去更短视带来了一个重大挑战。假设你想分析一个由数千只个体蚂蚁组成的蚁群系统。你可以研究单个蚂蚁的行为,仔细记录它们执行的任务、如何与同伴互动以及寿命多长。这是微观方法。或者,你也可以考察整个蚁群,观察它如何觅食、防御和衰老。这是宏观方法。
The “micro-macro” problem creates a major challenge in analyzing whether investors are more short-term oriented today than in the past. Say you want to analyze an ant colony, a system made up of thousands of individual ants. You can study the behaviors of the individual ants, carefully documenting the tasks they carry out, how they interact with their sisters, and how long they live. That is the micro approach. Alternatively, you can examine the colony, observing how it forages, defends, and ages. That is the macro approach.
一个蚁群是一个复杂适应系统,它由单个蚂蚁的互动涌现而成。复杂适应系统通常具有一些难以通过审视个体行动者来预测的属性和特征。诺贝尔物理学奖得主菲利普·安德森用一句精辟的话概括了这一思想:“多即不同。”⁸ 简而言之,微观—宏观问题指出,仅通过考察系统的组成部分来理解系统本身是非常困难的。如果你想了解蚁群,就去研究蚁群。如果你想了解蚂蚁,就去研究蚂蚁。⁹
An ant colony is a complex adaptive system that emerges as the result of the interaction of the individual ants. Complex adaptive systems generally have properties and features that are difficult to predict by examining the individual agents. Phil Anderson, a physicist who won the Nobel Prize, captured this idea in the pithy phrase, “more is different.”8 In a nutshell, the micro-macro problem says that it is very difficult to understand a system by examining only its parts. If you want to understand the colony, study the colony. If you want to understand the ants, study the ants.9
股票市场是复杂自适应系统的经典案例。要评估和判断短期主义的影响,正确的分析层面不是个体说了什么,而是股市本身的所作所为。仅仅依据高管或投资者的观点来论证短期主义,就会一头撞上微观-宏观问题。
The stock market is a classic example of a complex adaptive system. To assess and evaluate the impact of short-termism, the right level of analysis is not what individuals say but rather what the stock market does. A case for short-termism that rests primarily on the views of executives or investors runs headlong into the micro-macro problem.
事实上,对短期主义的大部分担忧似乎都基于个人的主观感受。例如,最近一项针对高管和董事会成员的调查证实了这种对短期主义的担忧。近三分之二的受访者表示,在过去五年中,创造短期业绩的压力有所增加,而近 90% 的人宣称,在商业决策中采用更长的时间视域,会对公司业绩产生积极影响。董事会成员认为,短期主义的要求源于“来自投资者(包括机构股东)的短期压力”。¹⁰ 这些主观感受是真实存在的,并且能够影响行为。但它们是否有充分根据呢?
Indeed, much of the concern about short-termism appears to be based on the perceptions of individuals. For example, a recent survey of executives and board members confirms the concern about short-termism. Almost two-thirds of the participants said the pressure to generate short-term results had increased over the previous five years and nearly 90 percent declared that a longer time horizon in business decisions would have a positive effect on corporate performance. The board members suggested the demands for short-termism were the result of “short-term pressures from investors, including institutional shareholders.”10 These perceptions are real and they can influence behavior. But are they well-founded?
如果问题出在投资者身上,那么要正确评估短期主义,就必须对股市进行分析。
If investors are the problem, a proper evaluation of short-termism requires an analysis of the stock market.
这一分析并未提供太多短期主义行为的证据。首次公开募股(IPO)市场十分活跃,其中包括那些当前营收和利润都尚不丰厚的公司,这表明投资者预期的是长期回报。数十亿美元的并购交易,涉及那些刚走出初创阶段不久的公司,例如 Facebook 收购 WhatsApp,或者 Google 收购 Nest,同样要求收购方具备长远眼光。事实上,如果你认同一家公司的价值是其未来现金流的折现值,那么在大多数情况下,你必须将现金流预测到多年之后——也就是长期——才能证明当前公开市场估值的合理性。
This analysis does not offer much evidence of short-termism. The vibrant market for initial public offerings (IPOs), including deals for companies that have modest revenues and profits currently, suggests that investors anticipate long-term payoffs. Multi-billion-dollar mergers and acquisitions (M&A) of companies barely beyond the start-up phase, such as Facebook’s purchase of WhatsApp or Google’s acquisition of Nest, also require that the buyers take a long-term view. Indeed, if you accept that the value of a company is the present value of future cash flow, in most cases you must project cash flow many years into the future—the long term—to justify today’s valuations in the public markets.11
如果你的反应是,“没错,但 IPO 和并购市场泡沫严重,股价似乎已经被充分估值,”请认识到,你不能两头都占。高估值意味着市场正在为长期买单。
If your reaction is, “Yes, but the IPO and M&A markets are frothy and stock prices appear fully valued,” recognize that you can’t have it both ways. High valuations mean that the market is paying for the long term.
一个着眼短期的市场,不愿意为未来开出高价。事实上,一项分析得出结论,在互联网泡沫前后的科技股估值中,短期主义大行其道。¹² 如果互联网泡沫是股市短期主义的证据,那就很难想象多长的时间才算长期。
A market with a short-term horizon is unwilling to pay much for the future. Indeed, one analysis concluded that short-termism prevailed in the stock market’s valuation of technology stocks surrounding the dot-com boom.12 If the dot-com bubble is evidence for the stock market’s short-termism, it is hard to imagine what period of time suffices as the long term.
我们稍后将考察投资者行为,包括以持有期作为时间跨度的代理指标。但此刻先强调一点:如果短视主义真是一个问题,股市中应有明确的证据。微观-宏观问题告诉我们,要理解市场,我们需要审视市场本身的特征,而不是从个体的信念向外推演。短视主义的观感很大程度上来自市场参与者的感知,而非市场本身。
We will examine investor behavior, including holding periods as a proxy for time horizon, in a moment. But for now let’s emphasize that if short-termism is a problem there should be clear evidence of it in the stock market. The micro-macro problem tells us that to understand the market we need to examine its features rather than extrapolating the beliefs of individuals. Much of the sense of short-termism comes from the perceptions of participants in the market rather than from the market itself.
短视主义也源于一种感受——世界正在加速运转。如果变化迅速,押注未来就显得不够明智。事实上,学术研究表明,企业的竞争优势期正在缩短。13 如果一家公司的经济利润可持续性转瞬即逝,那就没什么理由对未来赋予过高价值。
Short-termism also comes from the sensation that the world is speeding up. Betting on the future feels imprudent if change is rapid. Indeed, academic research shows that the period of competitive advantage is shrinking for companies.13 If the sustainability of a company’s economic profit is fleeting, there is less reason to place great value on the future.
一系列事实表明,变化的步伐正在加快。图表 1 展示的是,美国一半的人口接纳多种重要新技术分别用了多长时间。这衡量的是传播速度。例如,电话用了 71 年才普及到一半的美国人口,电力用了 52 年,而个人电脑只用了 19 年,互联网接入仅用了 10 年。新技术不仅有显而易见的直接好处,还会带来波及整个经济体系的附带效应。随着这些传播速度加快,变化本身也在加速。
A number of facts suggest that change is speeding up. Exhibit 1 shows how long it took half of the U.S. population to adopt a number of significant new technologies. This is a measure of the rate of diffusion. For example, it took 71 years for half of the U.S. population to have a telephone and 52 years for electricity, but only 19 years for a personal computer and 10 years for Internet access. New technologies not only have obvious primary benefits but also ancillary effects that ripple through the economy. As these diffusions speed up, so does change.
附图 1:新技术的扩散速率
Exhibit 1: The Rate of Diffusion of New Technologies
Telephone 71
Telephone 71
Electricity 52
Electricity 52
Radio 28
Radio 28
Personal computer 19
Personal computer 19
Color TV 18
Color TV 18
Cell phone 14
Cell phone 14
Internet access 10
Internet access 10
0 20 40 60 80 覆盖一半美国人口所需年数 来源:Adam Thierer 和 Grant Eskelsen,《媒体度量:现代媒体市场的真实状况》,进步与自由基金会,2008 年夏季,第 18 页。
0 20 40 60 80 Number of Years to Reach Half the U.S. Population Source: Adam Thierer and Grant Eskelsen, “Media Metrics: The True State of the Modern Media Marketplace,” The Progress & Freedom Foundation, Summer 2008, 18.
美国企业资产的平均使用寿命正在缩短,这也预示着变化在加快。当一家公司对资本设备进行投资时,会计师会要求公司在资产负债表上为该资产记录一个使用年限。(这些资产使用年限同时也是折旧计提的基础。)
The average asset life of companies in the U.S. is shortening, which also suggests faster change. When a company makes an investment in capital equipment, the accountants require the company to record a useful life for the asset on the balance sheet. (These asset lives also serve as the basis for depreciation schedules.)
预期其资产能在较长时间内产生回报的公司,会比资产寿命较短的公司采取更长远的目光。这是合乎情理的。
Companies that expect their assets to pay off for a long time will take a more extended view than companies that have short asset lives. This makes sense.
附录 2 展示了九个行业的资产寿命,公用事业以 29 年居首,信息技术行业则不足 7 年。重要的是,市场构成已经发生变化,资产寿命较短的行业如今比以往更加突出。例如,1980 年能源、材料和工业板块在美国前 1500 家上市公司的市值中占比 51%,平均资产寿命约为 16 年。14 时至今日,这些板块的市值占比已不足四分之一,尽管它们的资产寿命已略有延长。
Exhibit 2 shows the asset lives for nine sectors, ranging from 29 years for utilities to less than 7 years for information technology. Importantly, the composition of the market has changed, and sectors with short asset lives are now more prominent than they used to be. For example, energy, materials, and industrials were 51 percent of the market capitalization of the top 1,500 public companies in the U.S. in 1980 and had an average asset life of roughly 16 years.14 Today, those sectors are less than one-quarter of the market even as their asset lives have lengthened a bit.
与此同时,医疗保健和信息技术行业——1980 年资产平均年限为 11 年——仅占市场总市值的 17%。目前,这两个行业已占市场的 30%,平均资产年限降至 8 年。因此,市场中各公司的资产年限(按市值加权计算)在过去 30 年间缩短了。
At the same time, healthcare and information technology, with an average asset life of 11 years in 1980, only comprised 17 percent of the market. Currently, those sectors are 30 percent of the market and have an average asset life of 8 years. So the asset life of the companies within the market, weighted by market capitalization, has shrunk in the past 30 years.
附注 2:各行业平均资产使用年限,2013 年
行业 资产使用年限
信息技术 6.6
医疗保健 11.4
非必需消费品 12.4
必需消费品 15.1
工业 15.4
电信服务 16.1
能源 17.6
原材料 18.6
公用事业 29.4
数据来源:瑞士信贷 HOLT 系统
Exhibit 2: Average Asset Life by Sector, 2013 Asset Life Information Technology 6.6 Healthcare 11.4 Consumer Discretionary 12.4 Consumer Staples 15.1 Industrials 15.4 Telecommunication Services 16.1 Energy 17.6 Materials 18.6 Utilities 29.4 Source: Credit Suisse HOLT.
注:排名对象为前 1000 家非金融公司。
Note: Top 1,000 non-financial firms.
资产折旧年限缩短意味着管理层投资时应考虑的时限也相应缩短,这是商业世界的合理映射。例如,许多科技公司的高管无法像公用事业公司那样做几十年的规划,因为变革速度实在太快。因此,对许多公司而言,缩短时间跨度是对经济现实的恰当回应。
Shorter asset lives suggest shorter time horizons over which managers should invest, a reasonable reflection of the business world. Executives of many technology companies, for example, can’t plan for decades in the way a utility company can because the rate of change is simply too fast. So for many companies a contraction in time horizon is a proper response to economic reality.
高管薪酬也被视为短视行为的成因与结果。其逻辑是:近几十年来,基于股价的高管薪酬大幅增加,迫使首席执行官们专注于公司的短期股价。 ¹⁵ 例如,20 世纪 80 年代初,美国公司 CEO 的薪酬中与股市挂钩的比例微乎其微;到 90 年代初升至约四分之一;21 世纪初达到约一半的高峰;如今仍维持在接近 40% 的水平。 ¹⁶ 那些预计即将退休或离职的 CEO,其时间视野可能比投资者更短,这进一步助长了短视行为。 ¹⁷ 根据 2013 年的数据,全球最大的 2500 家上市公司 CEO 的平均任期约为七年。 ¹⁸
Executive compensation is also considered a cause and result of short-termism. The thinking is that executive compensation based on the stock price has increased materially in recent decades, compelling CEOs to focus on the short-term stock price of their company.15 For example, the percentage of pay tied to the stock market for the CEOs of U.S. companies was negligible in the early 1980s, rose to about one-quarter in the early 1990s, peaked at roughly one-half in the early 2000s, and remains near 40 percent today.16 CEOs who expect to retire or leave the company may have a time horizon shorter than that of their investors, encouraging short-termism.17 The average tenure for the CEOs of the world’s 2,500 largest public firms is about seven years, based on figures from 2013.18
如果薪酬是问题的简单根源,那么通过监管或其他市场力量进行纠正就会相对直接。但薪酬与短期主义之间的关联很难建立起来。
Were compensation the simple root of the problem, then correction through regulation or other market forces would be relatively straightforward. But a link between pay and short-termism is difficult to establish.
学术研究显示,CEO 薪酬与经济中企业规模密切相关,与薪酬形式无关。¹⁹ 此外,高管薪酬已转向长期激励,董事会比过去更为独立,治理委员会“几乎成为标配”。²⁰ 在审视短视行为难以被确证的问题时,一位学者写道:“我没有发现任何经验证据能够系统性地表明,从股东或社会角度,高管薪酬期限对长期绩效的关注度不足。”²¹
Academic research shows that CEO pay has closely followed the size of the firms in the economy independent of the form of remuneration.19 Further, executive compensation has moved toward long-term incentives, boards of directors are more independent than in the past, and governance committees are “nearly universal.”20 Reviewing the challenges of conclusively demonstrating short-termism, one scholar wrote, “[I am] aware of no empirical evidence establishing that executive pay term is inadequately focused on long-term performance from either a shareholder or societal perspective, systematically.”21
不过,有证据表明,那些严重依赖股权激励的公司,更倾向于通过自主性应计项目来操纵报告的盈利。22 虽然这并非短期主义的直接证据(公司理论上可以在通过会计手段推高盈利的同时进行长期投资),但这显然是一种试图影响资本市场的操作。
Now, there is evidence that companies that rely heavily on equity compensation are more likely to manipulate their reported earnings through discretionary accruals.22 While this is not direct evidence of short-termism (companies can conceivably invest for the long term even as they boost earnings through accounting) it clearly appears to be an effort to sway the capital markets.
短期主义更直接的证据来自对配对的私营与上市公司进行的比较。
More direct evidence of short-termism comes from a comparison of matched private and public companies.
这项研究表明,非上市公司比上市公司投资更多,这与上市公司追求提升短期利润的观念一致。23 对财务主管的调查进一步证实了这一点,调查显示,相当大比例的主管愿意放弃能创造价值的项目,以达成短期盈利目标。24 这些研究线索无疑表明,短期主义确实在塑造公司决策中发挥着实际作用。
That work shows that private companies invest more than public companies, consistent with the notion that public companies seek to boost near-term profits.23 This case is furthered by surveys of financial executives that reveal that a large percentage of them are willing to forgo value-creating projects in order to deliver short-term earnings.24 These strands of inquiry certainly suggest that short-termism is playing a real role in shaping the decisions companies make.
但这个故事还要再微妙一些。还有研究显示,存在一个筛选过程:短期导向的投资人会涌向那些提供大量信息、因此也提供大量交易机会的公司。
But the story is a little more subtle. There is also research showing a process of sorting, where short-term-oriented investors gravitate toward companies that provide lots of information and hence trading opportunities.
宾夕法尼亚大学沃顿商学院会计学教授布赖恩·布希将机构投资者分为三类:短线交易型、准指数型、坚定持有型。短线交易型持股比例小、持有时间短。准指数型持股比例小、持有时间长。坚定持有型持股比例高、持有时间长。基于 20 年数据,他判断 61% 的机构属于准指数型,31% 属于短线交易型,8% 属于坚定持有型。25
Brian Bushee, a professor of accounting at the Wharton School of the University of Pennsylvania, sorts institutional investors into three categories: transient, quasi-indexer, and dedicated. Transients hold small stakes for a short time. Quasi-indexers own small stakes for a long time. And dedicated investors hold large stakes for a long time. Based on 20 years of data, he determined that 61 percent of institutions fall in the quasi-indexer category, 31 percent in transient, and 8 percent in dedicated.25
Bushee 发现,短期投资者容易被那些价值更多体现在近期盈利上的公司、近期表现良好的公司、以及披露更多信息的公司——也就是学界所谓的“信息事件”——所吸引。那些短期股东占比高的公司,更可能为了稳住投资者而刻意进行盈余管理或削减研发开支。
Bushee found that transient investors are attracted to companies with a larger proportion of the value in near-term earnings, those that have done well recently, and those that provide more disclosure—or what academics call “information events.” Companies with a high percentage of transient owners are more likely to manage earnings or cut research and development in an apparent effort to keep their investors appeased.
然而,当一连串有利事件结束时,短期投资者会迅速抛售。
However, transient investors are quick to sell when a string of favorable events ends.26
主要由短期持有者拥有的公司,其投资敏感性——即在机会出现时愿意投资的意愿——也低于平均水平。那些每年支出固定不变的公司,相比投资支出灵活的公司,为股东创造的回报更低。这同样将公司与投资者配对起来,因为如果投资支出增长过多,短期投资者并不愿意长期坚守。
Companies owned mostly by transients also have investment sensitivity, or a willingness to invest when opportunities present themselves, that is below average. Companies that spend the same from year to year generate lower returns for their shareholders than companies that are flexible in their investment spending.27 This, too, pairs companies and investors as transient investors are not keen to stick around if investment spending rises too much.
事实上,患有短期主义的企业高管和投资者就像舞伴,因彼此的特质而相互吸引。布希(Bushee)提出的培养长期视角投资者基础的药方,是在信息披露的频率和内容上深思熟虑。他写道:“我的研究表明,改变信息披露方式,有可能将公司的投资者基础从短线交易者转向更具耐心的资本。这种转变将消除部分追求短期业绩的外部压力,促使管理者将重心重新放回建立以长期价值最大化为核心的文化上。”28
In effect, corporate executives and investors who suffer from short-termism are partners in a dance who are attracted to one another based on their characteristics. Bushee’s prescription to cultivate an investor base with a long-term view is to be thoughtful about disclosure, both in frequency and content. He writes, “my research suggests that changes in disclosure practices have the potential to shift the composition of a firm’s investor base away from transient investors and toward more patient capital. This shift will remove some of the external pressures for short-term results and encourage managers to return their focus to establishing a culture based on long-run value maximization.”28
我们的研究还揭示了另一个与此讨论相关的关联。图表 3 显示,各行业平均资产寿命与董事会评分(Board Score)之间存在紧密关系,后者是 HOLT® 团队开发的一项衡量公司治理质量的指标。HOLT 分析师梳理了 1500 家公司的委托声明书,对良好的治理实践(如长期导向、经济上合理的措施)给予加分,对糟糕的实践(如信息披露有限、仅关注短期目标)则予以扣分。29
Our research revealed another link that bears on this discussion. Exhibit 3 shows that there is a close relationship between average asset life by sector and the Board Score, a measure of the quality of corporate governance that our HOLT® team developed. HOLT analysts combed proxy statements for 1,500 companies and granted points for good governance practices (long-term orientation, economically sound measures) and subtracted points for poor practices (limited disclosure, short-term targets only).29
附录 3:各行业平均资产寿命与 HOLT 董事会评分
Exhibit 3: Average Asset Life and HOLT Board Score by Sector
3 r = 0.85 Materials
3 r = 0.85 Materials
2 Industrials Telecom
2 Industrials Telecom
HOLT 董事会评分 必需消费品 1 医疗保健 能源 可选消费品
HOLT Board Score Cons Staples 1 Healthcare Energy Cons Disc
原件此处是表格,PDF 抽取时列结构已丢失,下面只剩按列读出的数字,行列对应关系无法还原。核对数据请打开来源正文。
0 信息技术 -1 6 8 10 12 14 16 18 20 资产寿命
0 IT -1 6 8 10 12 14 16 18 20 Asset Life
来源:瑞士信贷 HOLT。
Source: Credit Suisse HOLT.
注意:不含金融与公用事业公司;资产寿命和董事会评分数据截至 2013 年。
Note: Excludes financials and utilities; Asset life and Board Score figures are for 2013.
对这一发现的一种解读是,在资产寿命长的行业,公司治理通常比资产寿命短的行业更好。在长期投资的监督最为重要的领域,公司治理也最为完善。
One interpretation of this finding is that corporate governance tends to be better in sectors where asset lives are long than in sectors where asset lives are short. Where monitoring long-term investments is most relevant, corporate governance is the best developed.
总之,要正确检验短视主义,就必须通过市场定价过程的结果而非个人观点来应对微观-宏观问题。尽管许多市场参与者感觉市场是短视的——这种感受数十年来一直存在——但资产价格并不支持这一看法。
To summarize, a proper test of short-termism should address the micro-macro problem by relying on the outcome of the market pricing process rather than the views of individuals. While many constituents feel the market is short-term oriented—a feeling that has been expressed through the decades—asset prices don’t support this sense.
尽管如此,随着市场组成从更依赖长期资产的公司转向资产寿命更短的企业,合适的评估周期已经缩短。这并非短视行为,而是对基础经济变化的清醒反映。同时,那些资产寿命最长的行业,其治理水平平均而言也最为强大。
That said, the appropriate period of evaluation has shrunk as the composition of the market has shifted from companies more reliant on long-term assets to companies with shorter asset lives. This is not short-termism but rather a clear-eyed reflection of the changes in the underlying economy. It also appears that governance is strongest, on average, for those sectors with the longest asset lives.
最后,尽管短线投资者确实眼光短浅,但他们还是会被那些提供大量信息事件的公司所吸引。正是这些公司,看起来最愿意牺牲能创造价值的投资,来换取短期业绩。但这场游戏终究有限,因为现实早晚会浮出水面,届时短线投资者便会抛售这些股票。
Finally, while transient investors do take a short view, they are attracted to companies that provide lots of information events. It is these companies that appear most willing to trade value-creating investments to deliver short-term results. But that game is limited, as reality eventually catches up and transient investors dump the stocks.
正如沃伦·巴菲特在 1979 年致伯克希尔·哈撒韦股东的信中所说:“在很大程度上,公司会得到它们所寻求也理应得到的那些股东群体。如果它们把思路和沟通都集中在短期业绩或短期股市影响上,那么它们在很大程度上就会吸引同样关注这些因素的股东。而如果它们对投资者的态度是玩世不恭的,那么这种玩世不恭最终也极有可能被投资界回敬给它们。”30 研究很大程度上支持了这一观点。
As Warren Buffett said in the Berkshire Hathaway letter to shareholders in 1979, “In large part, companies obtain the shareholder constituency that they seek and deserve. If they focus their thinking and communications on short-term results or short-term stock market consequences they will, in large part, attract shareholders who focus on the same factors. And if they are cynical in their treatment of investors, eventually that cynicism is highly likely to be returned by the investment community.”30 The research largely supports this view.
被过度使用却缺乏审视的论点
Arguments that Are Overused and Under-Scrutinized
或许投资者短视行为最常被引用的证据,就是股票持有期在缩短。31 令人惋惜的是,1960 年代的持有期约为六到七年,而如今已不足两年。图表 4 展示了自 1947 年以来的平均投资组合换手率。你可以用 1 除以换手率来推算持有期。例如,20% 的换手率相当于五年的持有期(1/0.20 = 5)。按照这个衡量标准,投资者的时间视野自 1960 年代以来确实缩短了,但近年来实际上已经从一年延长到了大约一年半。尽管如此,过去半个世纪里持有期的变化,并不能很好地证明短视行为的存在。
Perhaps the most commonly cited evidence for investor short-termism is the shrinking holding period for stocks.31 The lament is that holding periods in the 1960s were in the range of six to seven years but are less than two years today. Exhibit 4 shows the average portfolio turnover rate since 1947. You impute the holding period by dividing one by the rate. For instance, a 20 percent turnover rate equals a five-year holding period (1/.20 = 5). By this measure, investor time horizons have shortened since the 1960s but have actually lengthened in recent years from one year to about one-and-a–half years. Still, the change in holding period in the last half century is a poor argument for short-termism.
表 4:平均换手率(1947-2013 年)
Exhibit 4: Average Turnover Rate (1947- 2013)
120
120
100
100
年度周转率(%)
Annual Turnover Rate (%)
原件此处是表格,PDF 抽取时列结构已丢失,下面只剩按列读出的数字,行列对应关系无法还原。核对数据请打开来源正文。
80 60 40 20 0 1947 1950 1953 1956 1959 1962 1965 1968 1971 1974 1977 1980 1983 1986 1989 1992 1995 1998 2001 2004 2007 2010 2013
80 60 40 20 0 1947 1950 1953 1956 1959 1962 1965 1968 1971 1974 1977 1980 1983 1986 1989 1992 1995 1998 2001 2004 2007 2010 2013
Source: Bogle Financial Markets Research Center; Morningstar, Credit Suisse.
Source: Bogle Financial Markets Research Center; Morningstar, Credit Suisse.
首先,在资产组合构建中,相关的持有期是指投资者暴露于某个资产类别的时间长度,而不是投资者持有某只特定股票或基金的时间。32 不妨这样理解:在一个大体有效的市场中,资产组合的风险调整后超额收益的期望值,在扣除成本之前大约为零。大量的交易活动会产生成本,从而降低资产组合的收益,而暴露于该资产类别的持续时间才是思考投资者时间跨度的恰当方式。因此,真正重要的是该资产类别的长期回报减去投资者所承担的成本。投资者是在用短期赌注押注长期结果。
To begin, the holding period that is relevant in portfolio construction is the time an investor is exposed to an asset class, not how long an investor owns a particular stock or fund.32 Think of it this way: In a largely efficient market, the expected value of a portfolio’s risk-adjusted excess return is approximately zero, before costs. While lots of activity creates costs that diminish a portfolio’s return, the duration of the exposure to the asset class is the appropriate way to think about an investor’s time horizon. As a result, what matters is the long-term return of that asset class less costs the investor incurs. Investors make short-term bets on long-term outcomes.
另一个关键点是,过去半个世纪中股票持有结构发生了巨大变化。50 年前,个人持有大部分股票,机构资产管理行业才刚刚起步。如今,约 70% 的股票由机构持有。1960 年代的个人投资者信息获取渠道匮乏、缺少训练、几乎无法使用计算机、面临高税率和高交易成本。在这样的环境下,他们交易不活跃也就不足为奇了。
Another essential point is that the ownership of stocks has changed a great deal in the past half century. Fifty years ago, individuals held most stocks and the institutional money management industry was just getting going. Today, about 70 percent of stocks are held by institutions.33 Individuals in the 1960s had poor access to information, limited training, little if any access to computers, onerous tax rates, and high transaction costs. Given the circumstances, it is little wonder they did not trade actively.
如果回到附件 4,你会注意到年换手率最大的一波持续攀升发生在 1975 年到 1985 年之间。原因在于 1975 年 5 月 1 日股票佣金费率监管放开。
If you return to exhibit 4, you will notice that the largest sustained increase in annual turnover occurred between 1975 and 1985. The reason for this is the deregulation of stock commission rates on May 1, 1975.
在那之前,纽约证券交易所和其他交易所会设定最低佣金标准,并且这些标准一直具有约束力。图 5 显示了 1959 年至 1968 年间每 100 股的最低佣金情况。1975 年 5 月 1 日之后,经纪公司可以基于价格进行竞争。竞争与技术进步的叠加,大幅降低了交易成本。
Prior to that date, the New York Stock Exchange and other exchanges set minimum commissions that were always binding. Exhibit 5 shows the minimum commission per 100 shares that prevailed from 1959 through 1968.34 After May 1, 1975, brokerage firms could compete based on price. Competition paired with technological advances has cut transaction costs dramatically.
附件 5:1960 年代的交易成本
交易金额 每 100 股最低佣金
100-400 美元 3 美元 + 交易金额的 2%(最低 6 美元)
Exhibit 5: Transaction Costs in the 1960s Amount of transaction Minimum commission per 100 shares $100-400 $3 + 2% of amount traded ($6 minimum)
400-2400 美元 7 美元 + 交易金额的 1% 2400-5000 美元 19 美元 + 交易金额的 0.5% 5000 美元以上 39 美元 + 交易金额的 0.1% 来源:查尔斯·M·琼斯,《一个世纪的股票市场流动性与交易成本》,工作论文,2002 年 5 月 22 日。
$400-2,400 $7 + 1% of amount traded $2,400-5,000 $19 + 0.5% of amount traded $5,000+ $39 + 0.1% of amount traded Source: Charles M. Jones, “A Century of Stock Market Liquidity and Trading Costs,” Working Paper, May 22, 2002.
举个例子,在 1960 年代中期,交易 1 万股每股 40 美元的股票,每股成本是 0.43 美元。
As an example, trading 10,000 shares of a $40 stock would have cost $0.43 per share in the mid-1960s.
如今,机构投资者的交易成本大约只有当时水平的百分之一。此外,当时的买卖价差远大于现在,资本利得税率也更高。因此,有理由认为,长期持股是缺乏经验的个人投资者面对相对高昂的交易成本所导致的结果,而非出于某种善意的长期主义视角。
Trading costs today are roughly 1/100th of that rate for institutional investors. Further, the bid-ask spreads were substantially wider then than now and capital gains tax rates were higher. So it is plausible that the long holding period was the consequence of unsophisticated individual investors facing relatively significant transaction costs rather than some benevolent long-term view.
当然,交易成本的急剧下降使得短期投资策略变得可行。像文艺复兴科技公司这样的企业,在 1960 年代或 1970 年代是不可能存在的。市场类似于生态系统,时间跨度和投资策略的多样性往往是有益的。问题是:在那些批评短期主义的人当中,有谁愿意用今天的市场和商业,去换取过去更高的成本、更落后的技术和更低水平的成熟度?那些基于更短持有期来支持短期主义的论点,必须认可这种交换。
Of course, the sharp reduction in transaction costs allows short-term investment strategies to be viable. Firms such as Renaissance Technologies could not have existed in the 1960s or 1970s. Markets are akin to ecosystems, where diversity of time horizons and investment strategies tends to be healthy.35 The question is: Who among the short-termism critics would trade today’s markets and businesses for the higher costs, inferior technology, and lesser sophistication of the past? Arguments for short-termism based on shorter holding periods need to endorse such a trade-off.
那些声称短期主义盛行的人,常常引用证券分析之父本杰明·格雷厄姆的一句名言:“从短期来看,市场是一台投票机;从长期来看,它是一台称重机。”这言下之意是,短期内情绪会过热,但随着时间的推移,市场会揭示真正的价值。格雷厄姆的这句话听起来像是在为短期主义辩护,但在那个语境下却经不起推敲。
Those who claim the pervasiveness of short-termism frequently cite a phrase attributed to the father of security analysis, Ben Graham: “In the short run the market is a voting machine, in the long run it is a weighing machine.”36 The connotation is that in the short term emotions run hot but over time the market reveals true value.37 Graham’s line sounds like a case for short-termism but doesn’t stand up to scrutiny in that context.
问题在于:今天的“短期”就是昨天的“长期”。假设你把三年定为“长期”,那意味着三年后市场会变成一台称重机。38 按同样的逻辑,三年前你也会说今天就是“长期”。这个说法本身,对短期主义几乎说明不了任何问题。
Here’s the problem: Today’s short term was yesterday’s long term. Say you pick three years as the long term, which suggests that the market will be a weighing machine then.38 By the same logic you would have said three years ago that today is the long term. The phrase itself says very little, if anything, about short-termism.
更合理地解读格雷厄姆那句话的方式是:市场(投票机)会周期性地出现错误定价,但价格与价值通常会随时间推移而趋同(称重机)。这一论点暗含的前提是:市场并非完全有效,但它的有效程度足以最终识别价值。事实上,如果市场永远无效,那么投资就没有任何理由——因为没有任何理由相信价格与价值之间的缺口会缩小。主动投资者必须同时相信市场的无效与有效,才能为自己的职业提出一个可信的依据。
A more reasonable way to interpret Graham’s line is that there are periodic mispricings in the market (voting machine) but that price and value generally converge over time (weighing machine). Implicit in the argument is that markets are not perfectly efficient, but they are sufficiently efficient to eventually recognize value. Indeed, if markets were perpetually inefficient, there would be no reason to invest because there would be no reason to believe that gaps between price and value would ever narrow. Active investors must believe both in inefficiency and efficiency to make a credible case for their vocation.
市场效率如何?市场在消化新信息方面的表现有多好?这里同样存在一种看法,认为市场在吸收诸如财报发布或并购公告这类新信息时,采取的是短期视角。但实证证据表明,市场在反映信息方面颇为擅长,而要找出系统性的、可利用的偏差并非易事。
What about market efficiency? How good are markets at incorporating new information? Here again, there is a perception that the market takes a short-term view as it digests new information such as earnings releases or merger announcements. But the empirical evidence suggests the market is quite good at reflecting information and that detecting systematic and exploitable biases is not easy.
第一类研究考察的是,在特定公告或事件发生时,盈利与现金流出现背离的情形。换言之,当盈利朝一个方向走、现金流朝另一个方向走时,股票市场会跟随哪一个?研究人员详细分析的实例包括:存货会计方法从先进先出法改为后进先出法(盈利下降,现金流上升)、将员工股票期权计入费用(盈利下降,现金流不受影响),以及采用一项停止摊销商誉的会计准则(盈利上升,现金流不受影响)。在每一个实例中,研究都表明,市场能够看透盈利的影响,并正确反映现金流。当盈利与现金流背离时,市场往往跟随现金流。39
The first strand of research examines cases where earnings and cash flow diverge based on a particular announcement or development. In other words, when earnings go one direction and cash flow another, which does the stock market follow? Instances that researchers have examined in detail include a shift from first-in, first-out to last-in, first-out accounting for inventory (earnings down, cash flow up), expensing employee stock options (earnings down, cash flow unaffected), and the adoption of an accounting rule that ceased goodwill amortization (earnings up, cash flow unaffected). In each instance, the research shows that the market was able to look through the earnings impact and properly reflect the cash flow. When earnings and cash flow diverge, the market tends to follow the cash.39
高管们抱怨着每股收益(EPS)的季度游戏,公司被迫全年每个季度都要达到或超过市场的一致预期。以自己名字命名公司、并在上市 25 年后将其私有化的首席执行官迈克尔·戴尔,将这种压力称为“90 天倒计时”。研究显示,市场通常会奖励那些因创造价值的投资而导致盈利低于预期的公司,而那些基于非经济因素超出共识的盈利,则不受市场待见。
Executives complain about the quarterly earnings per share (EPS) game, where the company feels compelled to meet or exceed the consensus forecast for EPS every quarter of the year. Michael Dell, the CEO of the company that bears his name and that he took private after being public for 25 years, calls the pressure “the 90-day shot clock.”40 Research shows that the market generally rewards earnings that are below expectations as the result of value-creating investments. Earnings that exceed the consensus based on non-economic factors are received poorly.
真正低于预期的公司的领导人必须意识到,盈利公告是新信息,市场会用它来修正对长期现金流的预期。实际上,一次温和的盈利失望之所以能导致股价大幅下跌,唯一途径就是市场下调其对长期现金流的预测。一篇关于这一主题的学术论文得出了如下结论:“[我们的结果表明]股价对短期盈利变化的反应,仅仅因为这些变化是长期盈利能力潜力的信号。”
Leaders of companies that truly miss expectations must recognize that the earnings announcement is new information that the market uses to revise the expectations for long-term cash flow. Indeed, the only way that a modest earnings disappointment can lead to a large downward price move is if the market revises down its long-term cash flow forecasts. One academic paper on the topic concluded as follows: “[our results] suggest that share prices respond to changes in short-term earnings only insofar that they are signals of long-term earnings potential.”41
在并购公告这件事上,高管们往往觉得市场的反应尤其短视。例如,2001 年惠普公司宣布收购康柏电脑公司后,投资者纷纷抛售惠普股票,惠普前首席执行官卡莉·菲奥莉娜当时评论道:“做出这样的举动,不应该用短期股价来判断它的成败。”42
M&A announcements are an area where executives feel the market’s reaction is particularly short-term oriented. For example, after investors dumped the shares of Hewlett-Packard Company following the firm’s announcement to acquire Compaq Computer Corporation in 2001, HP’s former CEO, Carly Fiorina, remarked, “You don’t make this kind of move and judge its success by the short-term stock price.”42
马克·西洛沃(Mark Sirower)和苏米特·萨尼(Sumit Sahni)这两位具有学术背景的咨询师,对 302 起并购交易在短期(5 天)和较长时期(1 年)内相对于行业同行的股东总回报进行了研究。43 他们发现,市场对其中 103 起交易(34%)在短期内有积极反应,而一年后仍有 52 起交易保持正面。在最初市场反应为负面的 199 起交易(66%)中,133 起在一年后仍为负面。
Mark Sirower and Sumit Sahni, consultants with an academic background, examined total shareholder returns, relative to industry peers, for 302 M&A deals both in the short run (five days) and over a longer period (one year).43 They found that the market had a positive reaction to 103 of the deals (34 percent) in the short term and that 52 of those deals remained positive a year later. Of the 199 deals where the market’s reaction was initially negative (66 percent), 133 remained negative after a year.
对这些结果的一种合理解读是,市场的初始反应并不总是正确的,但似乎也不存在系统性偏差。正如一位学者总结的那样:“我们掌握的证据表明,市场的初始反应对交易最终结果有着相当可靠的预测能力。”44
One reasonable interpretation of these results is that the market is not always correct in its initial reaction but does not seem to have a systematic bias. As one academic summarized, “the evidence we have suggests that the initial market response is a fairly reliable predictor of how the deals are going to turn out.”44
短期主义的信徒们尤其被那些声称自己着眼长期、且市场会据此定价的公司搞得一头雾水。这方面的典型代表就是由创始人杰夫·贝佐斯领导的一家国际电商公司——亚马逊公司。在 1997 年——也就是公司上市那一年——的致股东信中,贝佐斯阐述了公司的原则。公司每年都会重新刊登这封信,以提醒大家公司的方针始终如一。
Believers in short-termism are particularly flummoxed by companies that say they take a long-term view and that the market prices accordingly. The poster child for this is international electronic commerce company, Amazon.com, led by its founder, Jeff Bezos. In the company’s letter to shareholders in 1997, the year the company went public, Bezos laid out the company’s principles. The company republishes the letter each year as a reminder that the company’s approach remains steadfast.
贝佐斯第二个要点(继客户至上之后)是:“我们将继续以长期市场领导地位为考量依据来做投资决策,而非短期盈利或华尔街的短期反应。”45 公司至今仍在遵循这一原则大力投资,尽管当前利润微薄,但投资者已赋予这家企业相当可观的市值。
Bezos’s second point, following one about customer focus, is this: “We will continue to make investment decisions in light of long-term market leadership considerations rather than short-term profitability considerations or short-term Wall Street reactions.”45 The company continues to invest heavily today, consistent with the principle, and investors have accorded the business a substantial market capitalization despite scant current profits.
市场愿意放眼长远,这让一些记者几乎难以置信。“只有华尔街的宠儿、一家高层领导深得市场信任的公司,才能像亚马逊这样大胆行事,”一位记者写道。另一位则说:“亚马逊之所以得到这种许可,是因为它已经教会了股东,让他们相信一切最终都会成功。”
The market’s willingness to take the long view has left some journalists bordering on incredulous. “Only a Wall Street darling, a firm whose senior leadership has the confidence of markets, could get away with being as daring as Amazon is,” wrote one.46 Another said, “Amazon has this permission because it has trained its shareholders to believe that everything will work out in the end.”47
亚马逊能否兑现其股价所承载的预期,还有待时间检验。48 但即使是这个世界上存在像亚马逊这样的公司,也给那些为短期主义泛滥而焦虑的人制造了一个难题。
It remains to be seen whether Amazon.com lives up to the expectations of its stock price.48 But even the existence of the Amazon.com’s of the world create a problem for those who fret about rampant short-termism.
一家已经上市 17 年的公司,如果仅仅因为“训练”了股东才被他们喜爱,这并不符合一个缺乏长远眼光的市场的故事。事实上,亚马逊的第二大股东持有相当可观的股份,而且以长期持有股票著称——是一位经典的专注型投资者。贝佐斯这样总结他的理念:“对于投资者来说,我们的工作就是把我们的方法说得极其清楚,然后投资者就可以自我选择了。”49 也许亚马逊正是得到了它应得的股东群体。
The idea that a company that has been public for 17 years is loved only because it has trained its shareholders doesn’t fit the story of a market that can’t take a long-term view. Indeed, Amazon.com’s largest shareholder, after Bezos, owns a sizeable stake and is known for holding stocks for a long time—a classic dedicated investor. Here’s how Bezos sums up his philosophy: “As far as investors go, our job is to be superclear about our approach, and then investors get to self-select.”49 Perhaps Amazon.com has obtained the shareholder constituency it deserves.
对个人而言,短期主义是一个问题的地方
Where Short-Termism Is a Problem for Individuals
我们虽然论证过短期主义并非表面看起来那么严重的问题,但投资行业中仍有不少行为可以改进。这些行为往往源自组织缺陷或心理偏差。有必要强调一点:微观层面的错误并不意味着宏观层面就无效。但我们确实有办法做得更好。
While we’ve argued that short-termism is not the problem is appears to be, there are still a number of behaviors in the investment industry that we can improve. These tend to be the result of either organizational or psychological shortcomings. It’s important to underscore that just because there are micro mistakes doesn’t mean that there is macro inefficiency. But there are ways for us to get better.
经典代理理论处理的场景是:代理人(agent)的利益与所服务的委托人(principal)的利益不一致,这促使代理人优先考虑自身利益。例如,作为代理人的公司高管,可能为自己配备昂贵的额外福利,比如乡村俱乐部会员、公务机和豪华办公室,从而减少了作为公司委托人的股东所能获得的利润。在资产管理领域,类似的情况是投资经理(代理人)为了增加管理费而做出决策,包括在热门领域推出新产品,或在市场营销上投入大量资源,而不是专注于为投资者(委托人)创造超额回报。50
Classic agency theory addresses the case when the interests of an agent differ from those of the principal he serves, encouraging the agent to put his interests first. For instance, executives of a firm, as agents, may grant themselves expensive perquisites such as country club memberships, corporate jets, and lavish offices, leaving less profit for the shareholders, the firm’s principals. The parallel in money management is when investment managers (agents) make decisions to grow fees, including launching new products in hot areas or spending substantial resources on marketing, rather than focus on delivering excess returns for their investors (principals).50
但代理人利用委托人并非唯一的问题。还有一个值得关注的严重问题:投资者对服务他们的投资经理所施加的影响。大量研究表明,投资者倾向于在基金表现良好之后买入,在表现不佳之后卖出。51 这些来自投资者的资金流动放大了基金的业绩。例如,近期研究显示,获得正资金流入的对冲基金倾向于买入其投资组合中已有的资产,从而推高资产价格,并导致持续的良好表现。这个过程可能需要长达两年才能完全逆转。研究人员估计,对冲基金行业三分之一的超额收益(alpha)是由这些资金流动造成的。52
But agents taking advantage of principals isn’t the only problem. Consider a serious issue that doesn’t get enough attention: The influence investors have on the investment managers who serve them. Substantial research shows the proclivity of investors to buy after a fund has done well and to sell following poor results.51 These flows from investors amplify the results of the fund. For example, recent research shows that hedge funds that have positive flows tend to buy what’s already in their portfolio, pushing up asset prices and leading to continued good results. This process can take up to a couple of years to reverse fully. Researchers estimate that one-third of the alpha from the hedge fund industry is the result of these flows.52
在上涨时起作用的机制,在下跌时同样奏效。资金流出迫使基金卖出资产,导致表现进一步恶化。因此,投资经理可能不愿意投资那些长期回报优异但短期波动较大的资产,因为他们知道,糟糕的短期表现可能会促使不满的投资者赎回基金。
What works on the upside also works on the downside. Outflows force selling and additional poor results. As a consequence, investment managers may be unwilling to invest in assets that promise excellent returns in the long term but are volatile in the short run because they know that poor near-term results may prompt disgruntled investors to leave the fund.
解决这个问题的明显方法是将基金设计为封闭式结构,这可以阻止新资金流入或流出,而不是开放式结构,后者允许资金自由进出。53 但开放式结构为投资经理嵌入了一项宝贵的期权,尤其是在业绩表现良好时——即使这种表现来自运气。这个期权就是增加管理资产规模的机会,从而带来更高的管理费和更大的利润。一种投资行业模型表明,有技能的管理者会吸纳资产,直至其预期的风险调整后超额收益(即 alpha)趋近于零。54
The obvious answer to this problem is to structure a fund as closed-end, which prevents new money from coming in or out, versus open-end, which allows money to move in and out.53 But the open-end structure embeds a valuable option for the investment manager in the case of good results, even if they come through luck. The option is the opportunity to increase assets under management, which leads to higher fees and larger profits. One model of the investment industry suggests that skillful managers take on assets to the point where their expected risk-adjusted excess return, or alpha, approaches zero.54
核心观点是,不良行为可能双向发生。投资经理可能做出不利于投资者的行为,但投资者也会做出损害投资经理采取长期视角能力的事情。
The idea is that poor behavior can run in two directions. Investment managers may do things that are not best for their investors, but investors also do things that hamper the investment manager’s ability to take a long-term view.
正如我们之前所见,企业声称来自投资经理的压力迫使它们专注于短期。而投资经理则反过来表示,压力来自他们的投资者。对两者关联的仔细分析发现,短期投资者会导致投资经理的短期主义行为。而基金经理感受到的压力越大,其投资视野就越短。55
As we saw earlier, companies say that the pressure to focus on the short term comes from investment managers. Investment managers, in turn, say the pressure is from their investors. A careful analysis of the connection found that short-term investors cause short-termism in investment managers. And the more pressure a fund manager feels, the shorter is his or her investment horizon.55
你可能会预期,个人投资者(平均而言不如养老基金、捐赠基金和主权财富基金等机构投资者老练)会表现出“高买低卖”的模式。数据证实了这一点。先锋集团(Vanguard Group)创始人兼前首席执行官约翰·博格尔(John Bogle)计算得出,由于主动管理型共同基金的投资者在不恰当的时机进行交易,他们每年获得的收益比简单的买入并持有策略少 120 个基点。56
You might expect a pattern of buying high and selling low from individual investors who are less sophisticated, on average, than institutional investors such as pension funds, endowments, and sovereign wealth funds. The numbers bear that out. John Bogle, founder and former CEO of the Vanguard Group, calculates that because investors in actively-managed mutual funds trade at inopportune times, they earn 120 basis points less per year than they would with a simple buy-and-hold strategy.56
但这种业绩拖累并不仅限于散户。一项针对机构投资者长达二十年的研究发现,他们的行为与个人投资者大体相同。研究人员得出结论,这些控制着数千个产品的机构,由于高买低卖,牺牲了 1700 亿美元的价值。其中三分之一的价值损失来自从一个资产类别转移到另一个资产类别(例如从股票转向债券),另外三分之二则来自在同一个资产类别内更换基金经理。57
But that performance drag isn’t limited to mom and pop. A study of institutional investors over twenty years found that they do much the same as individuals. The researchers concluded that these institutions, who control thousands of products, sacrificed $170 billion in value as a result of buying high and selling low. One-third of this slippage in value is the result of moving from one asset class to another, say from stocks to bonds, and the other two-thirds is from switching from one manager to another within an asset class.57
专业投资者知道,短期业绩存在太多变数,无法依赖年度数据。因此,机构投资行业最常见的评估周期大约是三年。但一种统计方法表明,你需要超过十几年的业绩数据,才能有把握地判断一位资金经理是否具备技能。58 更长的评估周期能让你更好地评估技能,但也伴随着困在一个无技能经理手中的风险。那么,最佳的评估周期是多长呢?
Professional investors know that there is too much variance in short-term results to rely on annual figures. As a result, the most common evaluation period in the institutional investment industry is about three years. But one statistical approach suggests that you need more than a dozen years of results to confidently conclude that a money manager is skillful.58 Longer periods allow you to better assess skill but also carry the risk of being stuck with an unskillful manager. So what evaluation period is best?
三位研究人员着手回答了这个问题。59 他们没有依赖历史数据,而是采用了模拟方法。模拟的价值在于,你可以根据不同的初始假设,评估一系列可能的结果。他们的模型包括了 1000 位投资经理,并设定其中 10% 具备技能。然后,他们创建了一批首席投资官(CIO),这些 CIO 根据各自的性格使用算法来雇佣和解雇投资经理。
A trio of researchers set out to answer this question.59 Rather than relying on historical data, they used a simulation. The value of simulation is that you can evaluate a range of outcomes given different starting assumptions. Their model included 1,000 investment managers, and they endowed 10 percent of them with skill. They then created a population of chief investment officers (CIOs) who used algorithms, based on their personalities, to hire and fire investment managers.
例如,“冷酷的短期主义者”CIO 只会雇佣上一年度排名前 10% 的经理,解雇所有管理资产组合下跌 10% 的经理,并且从不重新雇佣他们。
For example, the “ruthless short-term” CIOs only hired managers who finished in the top 10 percent in the prior year, fired all managers who oversaw a portfolio that dipped 10 percent, and never rehired managers.
“忠诚的长期主义者”CIO 会雇佣五年内排名前 10% 的经理,解雇五年内排名后 10% 的经理,并且会重新雇佣那些排名进入前 10% 的经理。
The “loyal long-term” CIOs hired managers who were in the top 10 percent over 5 years, fired those who were in the bottom 10 percent over 5 years, and would rehire managers who were in the top 10 percent.
图表 6 展示了十年期模拟的结果。长期主义 CIO 的表现优于短期主义 CIO 和买入并持有型 CIO。而“警惕的长期主义者”CIO(他们在剔除经理方面比“忠诚的长期主义者”CIO 更积极主动)表现最佳。效果最好的评估周期超过三年。研究人员得出结论:“最有益的耐心程度,与当前行业实践中的情况截然不同。”
Exhibit 6 shows the results of the simulation over a ten-year period. The long-term CIOs outperformed both the short-term CIOs and the buy-and-hold CIOs. And the watchful long-term CIOs, who were more proactive in pruning managers than the loyal long-term CIOs, came out on top. The evaluation period that worked best was longer than three years. The researchers conclude that, “the most profitable degree of patience is very different from that found in current industry practice.”
图表 6:短期主义者表现逊于警惕的长期投资者
Exhibit 6: Short-Termers Underperform Watchful Long-Term Investors
警惕的长期投资者
Watchful Long-Term
忠诚的长期投资者
Loyal Long-Term
买入并持有
Buy and Hold
宽容的短期投资者
Forgiving Short-Term
冷酷的短期投资者
Ruthless Short-Term
0 2 4 6 8 10 12 年化回报率(扣除退出成本,百分比)
0 2 4 6 8 10 12 Annualized Returns Net of Exit Costs (Percent)
来源:David L. Donoho, Robert A. Crenian, and Matthew H. Scanlan, “Is Patience a Virtue? The Unsentimental Case for the Long View in Evaluating Returns,” Journal of Portfolio Management, Fall 2010, 115.
Source: David L. Donoho, Robert A. Crenian, and Matthew H. Scanlan, “Is Patience a Virtue? The Unsentimental Case for the Long View in Evaluating Returns,” Journal of Portfolio Management, Fall 2010, 115.
个人和机构都表现出的高买低卖模式,是短期主义的典型例子。其背后原因是什么?对于个人而言,答案可能在于心理因素。小投资者容易受到“近因偏差”(recency bias)的影响,即高估近期经历在评估未来时的重要性。例如,当一只股票上涨时,我们预期它会继续上涨。总的来说,投资者倾向于在今天去做他们在最近本应该做的事情。
The pattern of buying high and selling low, which is clear for individuals and institutions, is a good example of short-termism. What’s behind it? For individuals, the answer is probably psychological. Small investors can suffer from recency bias, the tendency to overweight recent experience in assessing the future. So, for example, when a stock is going up, we expect it to continue going up. As a general rule, investors want to do today what they should have done in the recent past.
机构投资者理应更加老练,但常常犯同样的错误。这里,部分解释可能在于组织层面。代理理论主要关注代理人与委托人之间的利益冲突。但实际上,机构世界中的很多互动是代理人对代理人,甚至是代理人对代理人对代理人。以一个小型大学捐赠基金为例,该基金由一个投资委员会监督。此处的委托人是大学及其社区。投资委员会(代理人)通常会聘请一家咨询公司(代理人)来寻找一位资金经理(代理人)。在这个链条的每一步,代理人都被期望有所作为。但经验表明,做得更少通常会让委托人获得更多。
Institutional investors should be more sophisticated but often make the same mistake. Here, part of the explanation may be organizational. Agency theory is devoted to the conflict of interests between agents and principals. But in fact a lot of the interaction in the institutional world is agent to agent, or even agent to agent to agent. Take, for example, a modest university endowment that an investment committee oversees. The principal in this case is the university and its community. It would be common for the investment committee (agent) to hire a consulting firm (agent) to find a money manager (agent). Each step along the way, the agents are expected to do something. But experience shows that doing less generally leaves the principals with more.
同样,这些微观层面的行为可能与宏观层面的结果(即股市)相一致,股市本身是认可长期的。但代理人的利益以及他们施加的成本,可能会损害委托人在市场上获得的最终回报。
Again, these behaviors at the micro level can be consistent with a macro outcome, the stock market, which recognizes the long term. But the interests of agents and the costs they impose can detract from the final returns that the principals earn in the market.
另一个导致短期主义的因素是压力。调查显示,美国人将金钱、工作、人际关系和家庭责任列为常见的压力来源。60 毫不奇怪,这些都是心理压力源。压力源于对缺乏可预测性和控制感的感知。鉴于市场存在大量因运气而产生的波动,且投资者会因业绩不佳而迅速撤资,投资管理行业充满压力。
Another factor that contributes to short-termism is stress. When surveyed, Americans cite money, work, relationships, and family responsibilities as common causes of stress.60 Not surprisingly, these are all psychological stressors. Stress comes from a sense of a lack of predictability and control. Given that markets have a lot of variance that arises by luck and that investors are quick to yank funds for underperformance, investment management has a lot of stress.
我们的压力反应主要是为了应对身体威胁而设计的,比如一头凶猛的捕食者把你当成了午餐目标。压力反应会导致血压升高,能量被输送到最需要的组织,以及短期记忆和视觉的敏锐度提高。同样重要的是,身体会切断对仅与长期相关的系统(包括消化、免疫和生殖系统)的资源供给。压力反应让你准备好应对非常短期的局面,并且在紧急情况下表现得非常出色。
Our stress response is designed primarily to deal with physical threats, such as the big fierce predator that has made you the target for lunch. The stress response causes a rise in blood pressure, mobilization of energy to the tissues that need it most, and heightened acuity of short-term memory and vision. Just as importantly, the body shuts off resources to systems that are relevant only for the long term, including those for digestion, immunity, and reproduction. The stress response gets you ready to deal with the very short term, and works brilliantly in an emergency.
关键在于:你的身体不会区分身体和心理上的挑衅。它们会触发类似的生理反应。如果你长期处于压力之下,你的身体就会崩溃:高血压、消化问题、疾病、生育问题。以下是斯坦福大学神经生物学家、著名压力研究者罗伯特·萨波尔斯基(Robert Sapolsky)对压力引发的反应所说的话:“它们通常是短视的、低效的,而且是捡了芝麻丢了西瓜。”61 简而言之,压力导致短期主义。
Here’s the key: Your body doesn’t distinguish between physical and psychological provocations. They trigger similar physiological responses. If you are chronically stressed, your body breaks down. High blood pressure. Digestive problems. Sickness. Reproductive issues. Here’s what Robert Sapolsky, a neurobiologist at Stanford University and renowned stress researcher, says about the things that occur in reaction to stress, “They are generally shortsighted, inefficient, and penny-wise and dollar-foolish.”61 In a nutshell, stress causes short-termism.
这与投资的关系通过“短视损失厌恶”(myopic loss aversion)这个概念来体现,这是两位经济学家什洛莫·贝纳茨(Shlomo Benartzi)和理查德·塞勒(Richard Thaler)为解释股权风险溢价而提出的。股权风险溢价是指股票在一段时间内超过债券的回报。这一溢价一直高于理论预测,令金融经济学家感到困惑。62
This relates to investing through the concept of myopic loss aversion, an idea that two economists, Shlomo Benartzi and Richard Thaler, developed to explain the equity risk premium. The equity risk premium is the return that stocks earn in excess of bonds over time. It had been higher than theory suggested, puzzling financial economists.62
贝纳茨和塞勒解决这个问题的方法结合了两个概念。第一个是损失厌恶,它表明人类遭受损失的痛苦大约是享受同等收益快乐的两倍。因此,你因损失 10 美元而感到的烦恼,是你因捡到 10 美元而感到快乐的两倍。当然,我们每个人的这个比率都不同,因为有些人比其他人对损失更敏感,而且我们自己的个人比率也会因近期经历而变化。在连续十天上涨后亏损,与在连续十天下跌后亏损,感觉是不一样的。63
Benartzi and Thaler’s approach to the problem combines two concepts. The first is loss aversion, which says that humans suffer from losses roughly twice as much as they enjoy comparable gains. So you are twice as upset at losing $10 as you are happy at finding $10. Of course, the ratio for each of us is different because some of us feel losses more acutely than others, and our own personal ratio varies as a result of our recent experience. Losing money after ten days of gains does not feel the same as losing money after ten days of losses.63
第二个概念是短视(myopia),或者在此语境下指的是你查看投资组合的频率。股市长期趋势是向上的,但过程中充满起伏和转折。因此,你在一个小时内看到股票组合盈利的概率略高于 50%,一天内略高于 51%,一周内约为 53%,一年内接近 75%。如果时间拉长到十年或更久,你看到盈利的概率就非常接近 100%。
The second idea is myopia, or in this case how frequently you look at your portfolio. The stock market tends to go up over time, but does so with lots of squiggles and turns along the way. So the probability that you will see a gain in your stock portfolio is just in excess of 50 percent in an hour, a shade over 51 percent for a day, about 53 percent for a week, and almost 75 percent for a year. Go out 10 years or more and the probability that you’ll see a profit is very close to 100 percent.
把这些想法放在一起,结果是这样的:你查看投资组合越频繁,就越容易看到亏损,从而遭受损失厌恶之苦。因此,那些时时审视自己组合的人,会比那些不常看组合的人,要求更高的回报来补偿自己的痛苦。换句话说,对于同样的资产,长期投资者愿意比短期投资者支付更高的价格。⁶⁴
Here’s what happens when you put those ideas together: The more frequently you look at your portfolio, the more likely you are to see losses and hence suffer from loss aversion. As a consequence, people who examine their portfolios all the time demand higher returns to compensate for their suffering than those who examine their portfolios infrequently. Said differently, long-term investors are willing to pay more than short-term investors for the same asset.64
贝纳茨和塞勒估计,与上世纪 90 年代初实际实现的股权风险溢价相匹配的评估周期大约为一年。没有人能完全避开损失厌恶感,但投资组合的评估频率是一个可选择的变量。机构资金经理人往往觉得,如果长期跑输基准,自己的职业生涯就会面临风险。同样,那些能够着眼长远的投资者,就有机会创造超额的风险调整后收益。65
Benartzi and Thaler estimate that the evaluation period consistent with the realized equity risk premium through the early 1990s was about one year. No one can entirely sidestep the sense of loss aversion, but frequency of portfolio evaluation is a choice. Institutional money managers often feel that they can’t underperform their benchmarks for long without putting their career at risk. By the same token, investors who can take a longer view have the opportunity to generate excess risk-adjusted returns.65
即便在收益面前,人类的大脑也难以摆脱短视思维。举例来说,如果让人们选择今天得到 10 美元还是明天得到 11 美元,许多人会选择 10 美元。而如果让他们选择一年后得到 10 美元还是一年零一天后得到 11 美元,他们则会选择 11 美元。动物在食物选择上也会做出类似的权衡。短期与长期决策似乎由大脑的不同部分分别控制。负责更基础功能的边缘系统(limbic system)——其结构与其他动物相似——处理短期决策;而负责执行功能与规划的前额叶皮层(prefrontal cortex)则做出长期决策。
Even in the realm of gains, our minds struggle with short-termism. For example, if you give people a choice between $10 today and $11 tomorrow, many people select the $10. If you offer them $10 one year from now or $11 in one year and a day, they prefer the $11.66 Animals make a similar trade-off with food choices.67 It appears that different parts of our brains mediate short-term versus long-term decisions. Parts of the limbic system, which deals with more basic functions and is similar in structure to that of other animals, handle short-term decisions. Parts of the prefrontal cortex, an area of the human brain known for executive function and planning, make long-term decisions.68
选择架构是一种应对短期主义的有效机制。69 其核心思想是,向决策者呈现选项的方式会影响他或她的决策。例如,当在一次性付款和预期价值更高的年金之间做选择时,人们通常倾向于一次性付款。
Choice architecture is a useful mechanism to deal with short-termism.69 The idea is that the way choices are presented to a decision maker will influence how he or she decides. For example, given the choice between a lump sum payment and an annuity that has a higher expected value, individuals generally select the lump
sum.70 运用选择架构,提供选项的机构可以默认提供年金,仅当个人主动申请时才提供一次性给付。
sum.70 Using choice architecture, the organization offering the choices may grant the annuity by default and only provide the lump sum if the individual requests it.
如何避免短期主义的诱惑
How You Can Avoid the Pull of Short-Termism
人们似乎普遍认为,短期主义存在且其影响有害。短期主义的证据大多基于个体的看法,而非股市本身的实际表现。此外,投资期限的缩短,一定程度上可能是资产寿命缩短的合理结果,而这反映了全球经济的变迁。事实上,拥有最长资产寿命的行业,其公司治理质量似乎也最高。
There appears to be a broad consensus that short-termism exists and that its effects are deleterious. Much of the evidence for short-termism is based on the perceptions of individuals rather than on the evidence of the stock market itself. Further, some reduction in investment horizon may be a legitimate result of shortening asset lives, which reflect the shift in the global economy. Indeed, the quality of corporate governance appears to be highest for sectors that have the longest asset lives.
此外,市场似乎还存在一种筛选机制:那些提供大量信息、并愿意牺牲投资来达成短期目标的公司,会吸引同样短视的过客型股东。而像伯克希尔·哈撒韦这样着眼于长期的公司,则会吸引与公司拥有共同长期视野的忠实股东。
There also appears to be a sorting mechanism in place. That is, companies that provide lots of information and are willing to compromise investment to meet a near-term target attract transient shareholders who share their shortsightedness. Companies that focus on the long term, such as Berkshire Hathaway, appeal to dedicated shareholders who share the company’s long-term horizon.
以投资组合换手率来论证投资者短期主义存在几个问题。衡量投资者持有期的合理标准是对某一资产类别暴露的持续时间,而不是在该资产类别内部的交易量。此外,股票市场交易成本的大幅下降表明,低换手率更多是摩擦所致,而非远见使然。
The argument for investor short-termism based on portfolio turnover has a couple of problems. The proper measure of an investor’s holding period is the duration of the exposure to an asset class, not the amount of trading within that asset class. Further, the dramatic decline in transaction costs in the equity market suggests that low turnover was more due to friction than farsightedness.
总体来看,实证研究表明,股票市场在反映具有经济后果的新信息方面表现相当不错。在每股收益与现金流出现分歧的具体案例中,市场通常跟随现金流。尤其是对并购公告的分析显示,虽然市场的初始评估并非总是正确,但似乎并不存在系统性的偏差。
On balance, empirical research suggests that the stock market is reasonably good at reflecting new information of economic consequence. In specific instances when earnings per share and cash flow diverge, the market generally follows the cash. Analysis of M&A announcements, in particular, shows that while the market is not always correct in its initial assessment, there does not appear to be a systematic bias.
尽管如此,投资经理、公司和投资者仍明显面临短期业绩的压力。71 这种压力源于组织结构和心理因素,虽有一些可取之处,但也可能导致糟糕的决策。以下是针对每一方应对这些压力的具体建议:
All of that said, there remains palpable pressure for investment managers, companies, and investors to perform in the short term.71 This pressure, which is the result of organizational structure and psychological factors, has some redeeming elements but can also lead to poor choices. Here are some specific recommendations to deal with those pressures for each constituency:
Investment Managers
Investment Managers
建立一个能带来优势的投资流程。这个流程本身可以是短期导向,也可以是长期导向。在市场中,我们两者都需要。但关键在于,你要清楚自己为什么相信市场对某项资产定价错误,以及你的流程如何能够长期识别出这样的定价错误。投资行业中的技能建立在流程的基础之上,而流程能让你抓住别人看不见或无法利用的机会。
Create an investment process that results in edge. The process itself can be short- or long-term oriented. In markets we need both. But the key is to have a clear sense of why you believe that the market is mispricing an asset and how your process can identify such mispricings over time. Skill in the investment business is built on the foundation of process, and process allows you to take advantage of opportunities that others can’t see or exploit.
确保你的行为与你的流程保持一致。投资经理在向客户传达他们的流程时,通常倾向于强调他们希望做到的事情,而不是实际发生的事情。一个投资机构应该努力使其行动与其声称的流程保持一致。有充分证据表明,投资经理所说的与他们所做的并不一致。例如,最近一项对 800 多只基金的分析发现,其中 65% 的基金投资组合换手率高于其预期水平,这意味着它们的交易量超过了它们之前所说的水平。72 找出言语与行动之间的差距,并采取措施弥合这些差距。
Make sure your behavior is congruent with your process. In communicating their process to clients, investment managers generally dwell on what they aspire to do rather than what actually happens. An investment organization should strive to make its actions congruent with its stated process. There is good evidence that what investment managers say and what they do are different. For instance, a recent analysis of more than 800 funds found that 65 percent of them had higher portfolio turnover than they expected to have, which means that they were trading more than they said they would.72 Identify gaps between words and actions and take steps to close them.
找到合适的客户。理想的场景是:客户理解你的所作所为,愿意在你看到机会时给你钱,只在前景不那么有吸引力时才撤资。市场上的绝佳机会往往出现在糟糕业绩之后,而糟糕机会则出现在出色业绩之后。由于大多数客户都存在近因偏差(recency bias),他们的行为恰恰与理想场景相反——正如我们所看到的,这种行为会对结果产生影响。应对客户挑战的方案包括:寻找永久资本(家族办公室在这方面具有优势)、使用封闭式基金、关闭潜力有限的基金,以及营销那些当前不受欢迎但前景良好的基金。
Find the right clients. The dream scenario is a client who understands what you do and is willing to give you money when you see opportunity and withdraw money only when prospects are less attractive. Great opportunities in the market tend to follow poor results, and poor opportunities follow great results. Since most clients suffer from recency bias, they behave opposite to the dream scenario. This behavior has an influence on results, as we have seen. Solutions to the client challenge include finding permanent capital (an advantage for family offices), using closed-end funds, closing funds with limited potential, and marketing funds that are unpopular currently but that have good prospects.
Companies
Companies
平衡短期与长期。长期是短期的累积,高管必须兼顾两者。管理顾问兼作家彼得·德鲁克写道,管理者的主要任务是“在每一个决策和行动中协调眼前需求与长远未来。管理者若牺牲其中任何一方,都将危及企业。”73 过分强调短期会导致无法为未来奠定基础。但过分聚焦长期则意味着问题或低效可能恶化。
Balance the short and long term. The long term is an aggregation of short terms, and executives have to deal with both. Peter Drucker, the management consultant and author, wrote that the main task of managers is “to harmonize in every decision and action the requirements of the immediate and long-range future. Managers cannot sacrifice either without endangering the enterprise.”73 Too much emphasis on the short term leads to a failure to lay the groundwork for the future. But too much focus on the long term means that problems or inefficiencies can fester.
务必高度重视沟通策略。如果你想吸引短线投资者,就给他们充分的交易理由——这些理由往往来自公司对外传达的信息。要有意识地让你的沟通方式与你希望吸引的投资者类型相匹配。短线投资者喜欢新闻,准指数型投资者看重可靠的历史数据和业绩跟踪工具,而忠实股东则想了解你的战略和资本配置实践。尤其是盈利指引,它很可能诱使你做出妥协行为。
Be very mindful of communication. If you want to attract short-term oriented investors, give them lots of reasons to trade. Those reasons are often based on corporate communications. Explicitly tailor your communication to the type of investor you want to attract. Transient investors like news. Quasi-indexers like good historical data and the means to track results. Dedicated shareholders want to understand strategy and capital allocation practices. Earnings guidance, in particular, can lead to compromising behavior.
让激励与战略保持一致。一个理想的公司应当明确阐述其核心目标——一份说明公司努力实现什么成果的声明——并将激励与管控手段与之对齐,以服务于该目标。这个核心目标应当与构建每股长期价值相关,并且具体说明管理层打算如何应对商业活动中必然出现的权衡取舍。
Make incentives consistent with the strategy. Ideally, a company should articulate its governing objective, a statement of what a company is trying to achieve, and align its incentives and controls to serve that objective. A governing objective should relate to building long-term value per share and provide specificity about how management intends to cope with the trade-offs that inevitably arise in business.
我们的研究显示,资产寿命长的行业在治理上优于资产寿命短的行业,但激励机制仍需兼顾短期与长期。管理层应当保持足够的灵活度,能够根据实际存在的投资机会,灵活地增加或减少投资支出。
While our research shows that sectors with long asset lives have better governance than sectors with short asset lives, incentives need to balance the short and long term. Management should try to be flexible enough to increase or decrease investment spending based on the opportunities that exist.
Investors
Investors
理解均值回归。均值回归定律指出,偏离均值越远的结果,后续结果会趋向于靠近均值。过往的高回报吸引投资者,而糟糕的回报则让他们望而却步,这意味着他们常常在顶部投入资金,在底部撤出资金。解决之道在于,对某一资产类别的长期预期回报进行深思熟虑的评估,并制定与这些预期相一致的资产配置策略。
Understand reversion toward the mean. Reversion toward the mean says that outcomes that are far from average will be followed by outcomes with an expected value closer to the average. High past returns attract investors and poor returns turn them off, which means that they often put money in at the top and remove it at the bottom. The antidote is a thoughtful assessment of long-term expected returns from an asset class and a policy of asset allocation that is consistent with those expectations.
认识到不行动的价值。在生活中,我们通常被教导勤奋努力会有回报。在投资中,行动并不总能带来更好的结果,反而往往导致更差的结果。行动有三个陷阱。第一,你越频繁地评估你的投资组合,就越容易遭受损失厌恶的困扰。第二,密切监控会让你受近期偏差的影响,因为你清楚地看到了哪些表现好、哪些表现差。最后,行动会产生成本,从而拖累投资组合的回报。正如我们所见,最佳的评估时间跨度比行业标准更长。
Recognize the value of inactivity. In life, we are generally taught that hard work and effort pay off. In investing, activity does not always lead to better outcomes and more often than not it leads to worse outcomes. There are three pitfalls to activity. First, the more frequently you assess your portfolio the more likely you are to suffer from loss aversion. Second, close monitoring makes you susceptible to recency bias because you see clearly what’s done well and what’s done poorly. Finally, activity creates costs that detract from portfolio returns. As we saw, the best time horizon for evaluation is longer than what is standard in the industry.
你的行为会影响你的收益。投资经理是受雇的代理人,本应将投资者的利益置于首位。但事实是,投资者的行为会帮助塑造投资经理所创造的结果。我们之前看到,正向资金流入可能解释了对冲基金行业约三分之一超额收益的来源,而且我们知道资金流出会导致被迫卖出。因此,如果你是与投资经理打交道的大投资者,理解你对结果的影响就至关重要了。
Your behaviors influence your returns. An investment manager is a hired agent who is supposed to make the interests of the investor paramount. But the fact is that the behavior of investors helps shape the results that investment managers generate. We saw earlier that positive fund flows might account for one-third of the excess returns in the hedge fund industry, and we know that outflows cause unwanted selling. So if you are a large investor who deals with investment managers, it is important to understand your influence on results.
尾注
1 参见《克服短期主义:呼吁更负责任的投资与商业管理方式》,阿斯彭研究所商业与社会项目,2009 年 9 月 9 日;约翰·凯,《凯氏英国股票市场与长期决策评估报告》,2012 年 7 月;CFA 金融市场诚信中心与商业圆桌会议企业伦理研究所,《打破短期循环:企业领袖、资产管理人、投资者与分析师如何重新聚焦长期价值——讨论与建议》,短期主义系列研讨会,CFA 协会,2006 年;阿尔弗雷德·拉帕波特,《从短期主义手中拯救资本主义:如何构建长期价值并夺回我们的金融未来》(纽约:麦格劳-希尔,2011 年);阿尔弗雷德·拉帕波特,《短期业绩迷思的经济学》。
Endnotes 1 See “Overcoming Short-Termism: A Call for a More Responsible Approach to Investment and Business Management,” The Aspen Institute Business and Society Program, September 9, 2009; John Kay, “The Kay Review of UK Equity Markets and Long-Term Decision Making,” July 2012; CFA Centre for Financial Market Integrity and Business Roundtable Institute for Corporate Ethics, “Breaking the Short-Term Cycle: Discussion and Recommendations on How Corporate Leaders, Asset Managers, Investors, and Analysts Can Refocus on Long-Term Value,” Symposium Series on Short-Termism, CFA Institute, 2006; Alfred Rappaport, Saving Capitalism from Short-Termism: How to Build Long-Term Value and Take Back Our Financial Future (New York: McGraw Hill, 2011); Alfred Rappaport, “The Economics of Short-Term Performance Obsession,”
《金融分析师杂志》第 61 卷第 3 期,2005 年 5/6 月,第 65-77 页;马泰奥·托内洛,“重访股市短期主义”,美国经济咨商局报告 R-1386-06-RR,2006 年 4 月。
Financial Analysts Journal, Vol. 61, No. 3, May/June 2005, 65-77; Matteo Tonello, “Revisiting Stock Market Short-Termism,” The Conference Board Report R-1386-06-RR, April 2006.
2 关于更平衡的看法,可参见罗伯特·C·波曾(Robert C. Pozen)《遏制美国企业界的短视主义:聚焦高管薪酬》(布鲁金斯学会治理研究,2014 年 5 月)。反对短视主义的论述,可参见巴鲁克·列夫(Baruch Lev)《赢得投资者:关于诚实、业绩指引及其他提升股价之道的惊人真相》(波士顿:哈佛商业评论出版社,2012 年)第 217-237 页。3 多米尼克·巴顿(Dominic Barton)与马克·怀斯曼(Mark Wiseman)《聚焦长期》(《哈佛商业评论》2014 年 1 月)。4 迈克尔·E·波特(Michael E. Porter)《资本选择:改变美国企业投资方式》(提交给竞争力委员会的研究报告,1992 年 6 月)。
2 For a more balanced account see Robert C. Pozen, “Curbing Short-Termism in Corporate America: Focus on Executive Compensation,” Governance Studies at Brookings, May 2014. For an argument against short-termism, see Baruch Lev, Winning Investors Over: Surprising Truths about Honesty, Earnings Guidance, and Other Ways to Boost Your Stock Price (Boston, MA: Harvard Business Review Press, 2012), 217-237. 3 Dominic Barton and Mark Wiseman, “Focusing on the Long Run,” Harvard Business Review, January 2014. 4 Michael E. Porter, “Capital Choices: Changing the Way America Invests in Industry,” Research Report Presented to The Council of Competitiveness, June 1992.
5 条评论,来自小威廉·麦卡·马丁,美联储主席,午餐会研讨会,纪念纽约证券交易所成立 175 周年,1967 年 5 月 16 日。参见 http://fraser.stlouisfed.org/docs/historical/martin/martin67_0516.pdf。
5 Comments of Wm. McC. Martin, Jr., Chairman, Board of Governors of the Federal Reserve System, Luncheon Session Symposium Observance of the 175th Anniversary of the New York Stock Exchange, May 16, 1967. See http://fraser.stlouisfed.org/docs/historical/martin/martin67_0516.pdf.
6 约翰·梅纳德·凯恩斯,《就业、利息和货币通论》(伦敦:麦克米伦出版社,1936 年)。7 史蒂芬·平克,《风格感觉:21 世纪写作者指南》(纽约:维京成人图书,2014 年),第 4-5 页。
6 John Maynard Keynes, The General Theory of Employment, Interest and Money (London: Macmillan, 1936). 7 Steven Pinker, Sense of Style: The Thinking Person’s Guide to Writing in the 21st Century (New York: Viking Adult, 2014), 4-5.
8. P.W. 安德森,“更多就是不同”,《科学》杂志,第 177 卷,第 4047 号,1972 年 8 月 4 日,第 393-396 页。
8 P.W. Anderson, “More Is Different,” Science, Vol. 177, No. 4047, August 4, 1972, 393-396.
当然,蚁群是由蚂蚁构成的,所以整体必然是部分的总和。但仅仅通过加总个体行为来预测蚁群行为的难度,正是微观 — 宏观问题的核心所在。
9 Of course, ant colonies are made up of ants, so the whole must be the sum of the parts. But the difficulty in predicting the behavior of the colony simply by aggregating the individuals is at the heart of the micro-macro problem.
10 Barton and Wiseman。另外,可参见 Tim Hodgson 的《我们的行业有问题:投资行业是由中介机构为中介机构建立的》,Towers Watson Thinking Ahead Group 2.0,2014 年 6 月。
10 Barton and Wiseman. Also, see Tim Hodgson, “Our Industry Has a Problem: The Investment Industry Has Been Built by the Intermediaries for the Intermediaries,” Towers Watson Thinking Ahead Group 2.0, June 2014.
11 参见 Jeffery Abarbanell 和 Victor Bernard,《美国股市是否短视?》,《会计研究杂志》第 38 卷第 2 期,2000 年秋季,221-242 页。另见 Alfred Rappaport 和 Michael J. Mauboussin,《预期投资:解读股价以求更好回报》(波士顿,马萨诸塞州:哈佛商学院出版社,2001 年)。另见 Lev(2012 年),第 228 页。
11 See Jeffery Abarbanell and Victor Bernard, “Is the U.S. Stock Market Myopic?” Journal of Accounting Research, Vol. 38, No. 2, Autumn 2000, 221-242. Also Alfred Rappaport and Michael J. Mauboussin, Expectations Investing: Reading Stock Prices for Better Returns (Boston, MA: Harvard Business School Press, 2001). Also, Lev (2012), 228.
12 Andrew G. Haldane, “短视中的长远,” 第 29 届欧洲金融研究协会大学研讨会:货币与金融的新范式?, 2011 年 5 月。见表 6。
12 Andrew G. Haldane, “The Short Long,” 29th Sociéte Universitaire Européene de Recherches Financiéres Colloquium: New Paradigms in Money and Finance?, May 2011. See Table 6.
13
Robert R. Wiggins 与 Timothy W. Ruefli,“Schumpeter’s Ghost: Is Hypercompetition Making the Best of Times Shorter?”《战略管理期刊》,第 26 卷,第 10 期,2005 年 10 月,第 887-911 页。另见 Robert R.
13 Robert R. Wiggins and Timothy W. Ruefli, “Schumpeter’s Ghost: Is Hypercompetition Making the Best of Times Shorter?” Strategic Management Journal, Vol. 26, No. 10, October 2005, 887-911. Also, Robert R.
Wiggins 和 Timothy W. Ruefli,《持续竞争优势:时间动态与卓越经济表现的发生率和持久性》,《组织科学》,第 13 卷,第 1 期,2002 年 1-2 月,第 82-105 页。
Wiggins and Timothy W. Ruefli, “Sustained Competitive Advantage: Temporal Dynamics and the Incidence and Persistence of Superior Economic Performance,” Organizational Science, Vol. 13, No. 1, January-February 2002, 82-105.
14 对市值的分析包含了金融服务行业,尽管该行业并不存在有效的资产寿命。
14 The analysis of market capitalization includes the financial services industry even though there is no effective asset life.
股价挂钩薪酬的增长背后可能有多个原因。第一个是税法(《国内收入法典》第 162[m] 条)的修改,该条款将某些高管的税收抵扣上限设为 100 万美元,但基于业绩的薪酬可获豁免。第二个原因是,直到 2004 年,公司才被要求将员工股票期权授予列为费用。这造成了一种表面上的利润增长假象。
15 There are likely multiple reasons for the increase in pay based on the stock price. The first was a change in the tax code (Section 162(m) of the Internal Revenue Code) that limits tax deductions for certain executives to $1 million but provides an exception for pay based on performance. Second, companies were not required to treat employee stock option grants as an expense until 2004. This created a superficial picture of greater
尽管市场已经认识到其经济后果,这些公司仍在盈利。第三,20 世纪 80 年代和 90 年代,股市表现高于平均水平,这给那些采取股权激励的高管带来了巨大好处。最后,从 20 世纪 80 年代企业控制权市场的强劲势头开始,董事会逐渐认识到,一家公司的股价反映的是市场对其财务业绩的预期。
profits even though the market recognized the economic consequences. Third, the stock market had above-average results in the 1980s and 1990s, which conferred substantial benefit to those executives who took equity-based pay. Finally, starting with a robust market for corporate control in the 1980s, boards came to recognize that a company’s stock price reflects expectations for financial performance.
16 Brian J. Hall 和 Jeffrey B. Liebman,“首席执行官真的像官僚一样领取薪酬吗?”《经济学季刊》,第 113 卷,第 3 期,1998 年 8 月,第 653-691 页。另见 Martin J. Conyon,“美国公司的高管薪酬与董事会治理”,《经济学杂志》,第 124 卷,第 574 期,2014 年 2 月,F60-F89。
16 Brian J. Hall and Jeffrey B. Liebman, “Are CEOs Really Paid Like Bureaucrats?” Quarterly Journal of Economics, Vol. 113, No. 3, August 1998, 653-691. Also, Martin J. Conyon, “Executive Compensation and Board Governance in US Firms,” Economic Journal, Vol. 124, No. 574, February 2014, F60-F89.
17 David I. Walker,“改善高管薪酬长期导向的挑战”,《波士顿学院法律评论》,第 51 卷,第 2 期,2010 年。
17 David I. Walker, “The Challenge of Improving the Long-Term Focus of Executive Pay,” Boston College Law Review, Vol. 51, No. 2, 2010.
18 Ken Favaro、Per-Ola Karlsson 和 Gary L. Neilson,《CEO 的生平与时代》,《策略+商业》杂志,第 75 卷,2014 年夏季号。
18 Ken Favaro, Per-Ola Karlsson, and Gary L. Neilson, “The Lives and Times of the CEO,” strategy+business, Vol. 75, Summer 2014.
19 Xavier Gabaix、Augustin Landier 和 Julien Sauvagnat,《CEO 薪酬与企业规模:危机后的更新》,《经济学杂志》,第 124 卷,第 574 期,2014 年 2 月,F40-F59。
19 Xavier Gabaix, Augustin Landier, and Julien Sauvagnat, “CEO Pay and Firm Size: An Update After the Crisis,” Economic Journal, Vol. 124, No. 574, February 2104, F40-F59.
20 见《业绩指标及其与价值的关联》,法里恩特顾问有限责任公司,2013 年 2 月,以及格雷格·D
20 See “Performance Metrics and Their Link to Value,” Farient Advisors LLC, February 2013 and Gregg D.
波尔斯基与安德鲁·C.W. 伦德在《高管薪酬改革能治愈管理层短视症吗?》一文中指出。
Polsky and Andrew C.W. Lund, “Can Executive Compensation Reform Cure Management Short-Termism?”
《治理研究问题》,布鲁金斯学会,第 59 期,2013 年 3 月。
Issues in Governance Studies, Brookings Institution, Vol. 59, March 2013.
21 Walker.
21 Walker.
22 Daniel Bergstresser 和 Thomas Philippon,《CEO 激励与盈余管理》,《金融经济学杂志》,第 80 卷,第 3 期,2006 年 6 月,第 511-529 页。
22 Daniel Bergstresser and Thomas Philippon, “CEO Incentives and Earnings Management,” Journal of Financial Economics, Vol. 80, No. 3, June 2006, 511-529.
23 John Asker、Joan Farre-Mensa 和 Alexander Ljungqvist 合著,《公司投资与股票市场上市:一个谜题?》,《金融研究评论》(即将发表),当前版本,2014 年 10 月 4 日。
23 John Asker, Joan Farre-Mensa, and Alexander Ljungqvist, “Corporate Investment and Stock Market Listing: A Puzzle?” Review of Financial Studies (forthcoming), current version, October 4, 2014.
24 John R. Graham, Campbell R. Harvey, 和 Shiva Rajgopal, “价值毁灭与财务报告决策”,《金融分析师期刊》,第 62 卷,第 6 期,2006 年 11/12 月,第 27-39 页。
24 John R. Graham, Campbell R. Harvey, and Shiva Rajgopal, “Value Destruction and Financial Reporting Decisions,” Financial Analysts Journal, Vol. 62, No. 6, November/December 2006, 27-39.
25 Brian J. Bushee,《识别并吸引“正确”的投资者:机构投资者行为的证据》,《应用公司金融杂志》,第 16 卷,第 4 期,2004 年秋季,第 28-35 页。另见 Brian J. Bushee,《机构投资者对短视研发投资行为的影响》,《会计评论》,第 73 卷,第 3 期,1998 年 7 月,第 305-333 页。
25 Brian J. Bushee, “Identifying and Attracting the ‘Right’ Investors: Evidence on the Behavior of Institutional Investors,” Journal of Applied Corporate Finance, Vol. 16, No. 4 Fall 2004, 28-35. Also Brian J. Bushee, “The Influence of Institutional Investors on Myopic R&D Investment Behavior,” Accounting Review, Vol. 73, No. 3, July 1998, 305-333.
26 参见 Bin Ke 与 Kathy Petroni 合著的“积极交易的机构投资者信息有多灵通?基于连续盈利增长中断前其交易行为的证据”,《会计研究杂志》,第 42 卷,第 5 期,2004 年 12 月,第 895-927 页。关于盈余质量与机构持股之间联系的证据,可参见 Laura Yue Liu 与 Emma Yan Peng 合著的“机构投资者与应计质量”,工作论文,2008 年 3 月。
26 Bin Ke and Kathy Petroni, “How Informed Are Actively Trading Institutional Investors? Evidence from Their Trading Behavior before a Break in a String of Consecutive Earnings Increases,” Journal of Accounting Research, Vol. 42, No. 5, December 2004, 895-927. For evidence of the link between earnings quality and institutional ownership, see Laura Yue Liu and Emma Yan Peng, “Institutional Investors and Accruals Quality,” Working Paper, March 2008.
史蒂芬·霍尔、丹·洛瓦洛和雷尼尔·穆斯特斯合著,《如何将资金投向你的战略所在》,
27 Stephen Hall, Dan Lovallo, and Reinier Musters, “How to Put Your Money Where Your Strategy Is,”
《麦肯锡季刊》,2012 年 3 月。
McKinsey Quarterly, March 2012.
28 Bushee, 2004.
28 Bushee, 2004.
29 Tom Hillman,《将公司业绩与估值挂钩于管理层激励》,瑞士信贷 HOLT,2014 年 7 月。
29 Tom Hillman, “Linking Corporate Performance and Valuation to Management Incentives,” Credit Suisse HOLT, July 2014.
30 沃伦·E·巴菲特,《致股东信》,伯克希尔·哈撒韦公司年报,1979 年。
30 Warren E. Buffett, “Letter to Shareholders,” Berkshire Hathaway Annual Report, 1979.
31 Porter (1992)、Hodgson (2014) 以及约翰·C·博格尔(John C. Bogle),“共同基金行业 60 年后:更好还是更糟?”《金融分析师杂志》,第 61 卷,第 1 期,2005 年 1/2 月,第 15-24 页。
31 Porter (1992), Hodgson (2014), and John C. Bogle, “The Mutual Fund Industry 60 Years Later: For Better or Worse?” Financial Analysts Journal, Vol. 61, No. 1. January/February 2005, 15-24.
32 Jeremy J. Siegel, 《长期投资:金融市场回报与长期投资策略权威指南》第五版(纽约:麦格劳希尔出版社,2014 年),第 95-96 页。
32 Jeremy J. Siegel, Stock for the Long Run: The Definitive Guide to Financial Market Returns and Long-Term Investment Strategies, 5th Edition (New York: McGraw Hill, 2014), 95-96.
33 Marshall E. Blume 和 Donald B. Keim,《机构投资者与股市流动性:趋势与关系》,宾夕法尼亚大学沃顿商学院工作论文,2012 年 8 月。34 Charles M. Jones,《一个世纪的股市流动性与交易成本》,工作论文,2002 年 5 月 22 日。35 Eric D. Beinhocker,《财富的起源:演化、复杂性与经济学的彻底重塑》(马萨诸塞州波士顿:哈佛商学院出版社,2006 年),第 399-404 页。
33 Marshall E. Blume and Donald B. Keim, “Institutional Investors and Stock Market Liquidity: Trends and Relationships,” The Wharton School at the University of Pennsylvania Working Paper, August 2012. 34 Charles M. Jones, “A Century of Stock Market Liquidity and Trading Costs,” Working Paper, May 22, 2002. 35 Eric D. Beinhocker, The Origin of Wealth: Evolution, Complexity, and the Radical Remaking of Economics (Boston, MA: Harvard Business School Press, 2006), 399-404.
在与一些投资者交流时,《华尔街日报》记者贾森·茨威格(Jason Zweig)曾这样谈到这句名言:“我给沃伦·巴菲特打电话问他。作为了解格雷厄姆著作的人,他——”
36 In an exchange with some investors, Jason Zweig, a journalist with the Wall Street Journal, wrote the following about this famous phrase: “I called Warren Buffett and asked him. He, who knows Graham’s
在世作家中无人能比格雷厄姆写得好,但当我领着你引用的那两段话让他看时,他也吃了一惊。他和我们许多人一样,一直以为这些话是格雷厄姆写的。他嘴上念叨着琢磨了几分钟,才意识到自己可能压根没读过这条格言,只不过是在课堂上和办公室周围听过格雷厄姆多次说起。即便格雷厄姆从未以权威形式写下这些话,他也对那些最亲近的人多次表达过这个观点。
writings better than anyone else alive, was surprised when I walked him through the same two passages you cited. He had presumed, like many of us, that Graham had written these words. After a few minutes of thinking it through aloud, he realized that he might never have read the maxim after all, but rather that he had heard Graham say these words many times in class and around the office. Even if Graham never wrote them down in canonical form, he stated this view many times to those who were closest to him.
其最常见的一种表述形式,在我看来,“短期是投票机,长期是称重机”这句格言出自巴菲特,而非格雷厄姆。在伯克希尔·哈撒韦的某份年报中(1987 年?说实话,我不记得具体是哪一份了),巴菲特以引号形式将这句格言归功于格雷厄姆。我相信,这是人们能找到的最接近原话的版本。唯一另一种可能性是,格雷厄姆某位学生在 20 世纪 30 年代初格雷厄姆价值投资课程的课堂笔记中记下了这句话。不过,我并未通读全部笔记去确认这句话是否在其中。但我认为可能性不大。在我看来,此案中沃伦·巴菲特是不可质疑的权威,我的结论是:格雷厄姆确实说过这句话,即便他从未将其写入书中。
In its most commonly cited form, I think the short-run-voting-machine-long-run-weighing-machine apothegm comes from Buffett, not Graham. In one of the Berkshire Hathaway annual reports (1987? I don’t remember which one, to be honest), Buffett attributes the maxim to Graham, in quotation marks. That’s the closest to their original form that I believe anyone will find them in. The only other possibility is that one of Graham’s students captured these words in some of the lecture notes that are preserved from Graham’s value-investing classes from the early 1930s. I haven’t read through them all to see if this saying can be found there. But I don’t think it’s likely. I regard Warren Buffett as an unimpeachable source in this case and, in my opinion, the case is closed: Graham said it, even if he never wrote it.”
参见 http://www.bogleheads.org/forum/viewtopic.php?t=77840。
See http://www.bogleheads.org/forum/viewtopic.php?t=77840.
37 P. Alexander Quimby,“通过忠诚股应对企业短视行为”,《佛罗里达州立大学法律评论》,第 40 卷,第 2 期,2013 年冬季刊,第 389-413 页。
37 P. Alexander Quimby, “Addressing Corporate Short-Termism Through Loyalty Shares,” Florida State University Law Review, Vol. 40, No. 2, Winter 2013, 389-413.
38 一项调查中,公司高管们表示,“长期”投资者的投资持有期为 2.8 年或更长。参见 Anne Beyer、David F. Larcker 和 Brian Tayan 所著《2014 年关于投资期限与股东结构预期如何影响企业决策的研究》,斯坦福大学洛克公司治理中心与 NIRI,2014 年。
38 In a survey, company executives suggest that “long-term” investors have an investment horizon of 2.8 years or longer. See Anne Beyer, David F. Larcker, and Brian Tayan, “2014 Study on How Investment Horizon and Expectations of Shareholder Base Impact Corporate Decision-Making,” Rock Center for Corporate Governance at Stanford University and NIRI, 2014.
39 蒂姆·科勒、马克·戈德哈特、戴维·韦塞尔斯,《估值:衡量和管理公司价值》,第 4 版(新泽西州霍博肯:约翰·威利父子公司,2005 年),第 69-98 页。
39 Tim Koller, Marc Goedhart, and David Wessels, Valuation: Measuring and Managing the Value of Companies, 4th Edition (Hoboken, NJ: John Wiley & Sons, 2005), 69-98.
40 迈克尔·戴尔,“一年之后:关于领导一家私有公司,我学到了什么”,LinkedIn 帖子,2014 年 10 月 29 日。
40 Michael Dell, “One year later, what I’ve learned about leading a private company,” LinkedIn Post, October 29, 2014.
汤姆·科普兰、亚伦·多尔戈夫和阿尔贝托·莫埃尔,“预期在解释股票收益率横截面差异中的作用”,《会计研究杂志》,第 9 卷,第 2-3 期,2004 年 6 月,第 149-188 页。
41 Tom Copeland, Aaron Dolgoff, and Alberto Moel, “The Role of Expectations in Explaining the Cross-Section of Stock Returns,” Journal of Accounting Research, Vol. 9, No. 2-3, June 2004, 149-188.
42 “问答:为合并辩护”,《商业周刊》,2001 年 9 月 16 日。参见 http://www.businessweek.com/stories/2001-09-16/q-and-a-making-the-case-for-combining。
42 “Q&A: Making the Case for Combining,” BusinessWeek, September 16, 2001. See http://www.businessweek.com/stories/2001-09-16/q-and-a-making-the-case-for-combining.
43 Mark L. Sirower 和 Sumit Sahni,《避免“协同陷阱”:为 CEO 和董事会提供的并购决策实用指南》,《应用公司金融杂志》,第 18 卷,第 3 期,2006 年夏季,第 83-95 页。
43 Mark L. Sirower and Sumit Sahni, “Avoiding the ‘Synergy Trap’: Practical Guidance on M&A Decisions for CEOs and Boards,” Journal of Applied Corporate Finance, Vol. 18, No. 3, Summer 2006, 83-95.
44 见格雷格·贾雷尔在《罗彻斯特大学企业并购与股东价值圆桌会议》中的评论,《应用公司金融杂志》第 17 卷第 4 期,2005 年秋季,第 69-70 页。
44 See comments from Gregg Jarrell in, “University of Rochester Roundtable on Corporate M&A and Shareholder Value,” Journal of Applied Corporate Finance, Vol. 17, No. 4, Fall 2005, 69-70.
45 杰弗里·P·贝佐斯,“致股东信”,亚马逊公司 1997 年年报。
45 Jeffrey P. Bezos, “Letter to Shareholders,” Amazon.com Annual Report, 1997.
46 Matthew Yglesias,“无利可图的先知”,Slate.com,2014 年 1 月 30 日。
46 Matthew Yglesias, “The Prophet of No Profit,” Slate.com, January 30, 2014.
47 Justin Fox,“亚马逊如何训练投资者行为”,《哈佛商业评论》博客,2013 年 1 月 30 日。
47 Justin Fox, “How Amazon Trained Its Investors to Behave,” HBR Blog, January 30, 2013.
48 Aswath Damodaran,“如果你建起了(收入),它们(利润)就会来:亚马逊的‘梦幻之地’,”博客文章,2014 年 10 月 29 日。
48 Aswath Damodaran, “If you build it (revenues), they (profits) will come: Amazon’s Field of Dreams,” Blog Entry, October 29, 2014.
49 Daniel McGinn, “杰夫·贝佐斯脑袋里的数字”,《哈佛商业评论》,2014 年 11 月,第 58-61 页。 50 Charles D. Ellis, “商业成功会毁掉投资管理行业吗?”,《投资组合管理杂志》,第 27 卷第 3 期,2001 年春季,第 11-15 页。
49 Daniel McGinn, “The Numbers in Jeff Bezos’s Head,” Harvard Business Review, November 2014, 58-61. 50 Charles D. Ellis, “Will Business Success Spoil the Investment Management Profession?” Journal of Portfolio Management, Vol. 27, No. 3, Spring 2001, 11-15.
51 Ilia D. Dichev,“投资者实际历史回报是多少?来自美元加权回报的证据”,
51 Ilia D. Dichev, “What Are Investors’ Actual Historical Returns? Evidence from Dollar-Weighted Returns,”
《美国经济评论》(American Economic Review),第 97 卷,第 1 期,2007 年 3 月,第 386–401 页;以及 Ilia D. Dichev 与 Gwen Yu 合著的《高风险,低回报:对冲基金投资者的真实收益》,载于《金融经济学杂志》(Journal of Financial Economics),第 100 卷,第 2 期,2011 年 5 月,第 248–263 页。
American Economic Review, Vol. 97, No. 1, March 2007, 386-401, and Ilia D. Dichev and Gwen Yu, “High Risk, Lower Returns: What Hedge Fund Investors Really Earn,” Journal of Financial Economics, Vol. 100, No. 2, May 2011, 248-263.
Katja Ahoniemi 和 Petri Jylhä,“资金流向、价格压力与对冲基金回报”,《金融分析师杂志》,第 70 卷,第 5 期,2014 年 9/10 月,第 73-93 页。另见 Diane Del Guercio 和 Paula A. Tkac,“管理组合资金流动的决定因素:共同基金与养老基金”,《金融与定量分析杂志》,第 37 卷,第 4 期,2002 年 12 月,第 523-55 页。
52 Katja Ahoniemi and Petri Jylhä, “Flows, Price Pressure, and Hedge Fund Returns,” Financial Analysts Journal, Vol. 70, No. 5, September/October 2014, 73-93. See also Diane Del Guercio and Paula A. Tkac, “The Determinants of the Flow of Funds of Managed Portfolios: Mutual Funds versus Pension Funds,” Journal of Financial and Quantitative Analysis, Vol. 37, No. 4, December 2002, 523-55.
53 杰里米·C·斯坦(Jeremy C. Stein),“为什么大多数基金是开放式?竞争与套利的极限”,《经济学季刊》,第 120 卷,第 1 期,2005 年 2 月,第 247-272 页。
53 Jeremy C. Stein, “Why Are Most Funds Open-End? Competition and the Limits of Arbitrage,” Quarterly Journal of Economics, Vol. 120, No. 1, February 2005, 247-272.
54 Jonathan B. Berk 和 Richard C. Green 合著的《理性市场中的共同基金资金流动与业绩表现》,
54 Jonathan B. Berk and Richard C. Green, “Mutual Fund Flows and Performance in Rational Markets,”
《政治经济学杂志》,第 112 卷,第 6 期,2004 年 12 月,第 1269-1295 页。
Journal of Political Economy, Vol. 112, No. 6, December 2004, 1269-1295.
55 李金,“投资者短期主义如何影响共同基金经理的短期主义?”2005 年欧洲金融协会莫斯科会议论文,2005 年 2 月 27 日。
55 Li Jin, “How Does Investor Short-termism Affect Mutual Fund Manager Short-termism?” EFA 2005 Moscow Meetings Paper, February 27, 2005.
56 约翰·C·博格尔,“‘全包’投资费用的算术”,《金融分析师期刊》,第 70 卷,第 1 期,2014 年 1 月/2 月,第 13-21 页。另见布莱恩·R·威尔默(CFA)、丹尼尔·W·沃利克和戴维·C·帕库拉,“量化追逐业绩的影响”,先锋集团研究报告,2014 年 7 月。
56 John C. Bogle, “The Arithmetic of ‘All-In’ Investment Expenses,” Financial Analysts Journal, Vol. 70, No. 1, January/February 2014, 13-21. See also Brian R. Wimmer, CFA, Daniel W. Wallick, and David C. Pakula, “Quantifying the Impact of Chasing Performance,” Vanguard Research Note, July 2014.
57 Scott D. Stewart, CFA, John J. Neumann, Christopher R. Knittel, and Jeffrey Heisler, CFA, “Absence of Value: An Analysis of Investment Allocation Decisions by Institutional Plan Sponsors,” 《金融分析师杂志》,第 65 卷,第 6 期,2009 年 11 月/12 月,第 34-51 页。
57 Scott D. Stewart, CFA, John J. Neumann, Christopher R. Knittel, and Jeffrey Heisler, CFA, “Absence of Value: An Analysis of Investment Allocation Decisions by Institutional Plan Sponsors,” Financial Analysts Journal, Vol. 65, No. 6, November/December 2009, 34-51.
58 Richard C. Grinold 和 Ronald N. Kahn,《积极型投资组合管理:实现超额收益与控制风险的量化方法》,第二版(纽约:麦格劳-希尔出版社,2000 年),第 480 页。 59 David L. Donoho、Robert A. Crenian 和 Matthew H. Scanlan,“耐心是美德吗?从评估回报的长期视角看感性与理性之争”,《投资组合管理杂志》,第 37 卷,第 1 期,2010 年秋季刊,第 105-120 页。
58 Richard C. Grinold and Ronald N. Kahn, Active Portfolio Management: A Quantitative Approach for Producing Superior Returns and Controlling Risk, Second Edition (New York: McGraw-Hill, 2000), 480. 59 David L. Donoho, Robert A. Crenian, and Matthew H. Scanlan, “Is Patience a Virtue? The Unsentimental Case for the Long View in Evaluating Returns,” Journal of Portfolio Management, Vol. 37, No. 1, Fall 2010, 105-120.
60 “Stress in America: Our Health at Risk,” American Psychological Association, January 11, 2012. 61 Robert M. Sapolsky, Why Zebras Don’t Get Ulcers, Third Edition (New York: Henry Holt and Company, 2004), 13.
60 “Stress in America: Our Health at Risk,” American Psychological Association, January 11, 2012. 61 Robert M. Sapolsky, Why Zebras Don’t Get Ulcers, Third Edition (New York: Henry Holt and Company, 2004), 13.
62 施洛莫·贝纳茨和理查德·H·塞勒,“短视损失厌恶与股权溢价之谜”,《经济学季刊》,第 110 卷,第 1 期,1995 年 2 月,第 73-92 页。
62 Shlomo Benartzi and Richard H. Thaler, “Myopic Loss Aversion and the Equity Premium Puzzle,” Quarterly Journal of Economics, Vol. 110, No. 1, February 1995, 73-92.
63 Narayanan Kandasamy、Ben Hardy、Lionel Page、Markus Schaffner、Johann Graggaber、Andrew S.
63 Narayanan Kandasamy, Ben Hardy, Lionel Page, Markus Schaffner, Johann Graggaber, Andrew S.
Powlson、Paul C. Fletcher、Mark Gurnell 与 John Coates 合著的《皮质醇改变金融风险偏好》
Powlson, Paul C. Fletcher, Mark Gurnell, and John Coates, “Cortisol Shifts Financial Risk Preferences,”
《美国国家科学院院刊》,第 111 卷,第 9 期,2014 年 3 月 4 日,第 3608-3613 页。
Proceedings of the National Academy of Sciences, Vol. 111, No. 9, March 4, 2014, 3608-3613.
64 Uri Gneezy、Arie Kapteyn 和 Jan Potters,“评估周期与市场实验中的资产价格”,《金融学刊》,第 58 卷,第 2 期,2003 年 4 月,第 821-837 页。
64 Uri Gneezy, Arie Kapteyn, and Jan Potters, “Evaluation Periods and Asset Prices in a Market Experiment,” Journal of Finance, Vol. 58, No. 2, April 2003, 821-837.
65 约瑟夫·拉科尼肖克、安德烈·施莱弗和罗伯特·维什尼,《逆向投资、外推与风险》,《金融学刊》,第 49 卷,第 5 期,1994 年 12 月,第 1541-1578 页。
65 Josef Lakonishok, Andrei Shleifer, and Robert Vishny, “Contrarian Investment, Extrapolation, and Risk,” Journal of Finance, Vol. 49, No. 5, December 1994, 1541-1578.
66 Richard Thaler, “Some Empirical Evidence on Dynamic Inconsistency,” Economic Letters, Vol. 8, No. 3, 1981, 201-207. 等待的倾向似乎也有文化维度。参见 Mei Wang, Marc Oliver Rieger, and Thorsten Hens, “How Time Preferences Differ: Evidence from 45 Countries,” NHH Discussion Paper, October 2011.
66 Richard Thaler, “Some Empirical Evidence on Dynamic Inconsistency,” Economic Letters, Vol. 8, No. 3, 1981, 201-207. The proclivity to wait also appears to have a cultural dimension. See Mei Wang, Marc Oliver Rieger, and Thorsten Hens, “How Time Preferences Differ: Evidence from 45 Countries,” NHH Discussion Paper, October 2011.
67 厄恩斯特·费尔,《急躁经济学》,《自然》杂志,第 415 卷,2002 年 1 月 17 日,第 269-272 页。
67 Ernst Fehr, “The Economics of Impatience,” Nature, Vol. 415, January 17, 2002, 269-272.
68 塞缪尔·M·麦克卢尔、戴维·I·莱布森、乔治·洛温斯坦和乔纳森·D·科恩,《独立的神经系统对即时与延迟货币奖励的估值》,《科学》杂志,第 306 卷,2004 年 10 月 15 日。
68 Samuel M. McClure, David I. Laibson, George Loewenstein, and Jonathan D. Cohen, “Separate Neural Systems Value Immediate and Delayed Monetary Rewards,” Science, Vol. 306, October 15, 2004.
69 理查德·H·塞勒和卡斯·R·桑斯坦,《助推:如何做出有关健康、财富与幸福的更优决策》(纽约:Caravan,2008 年)。
69 Richard H. Thaler and Cass R. Sunstein, Nudge: Improving Decisions About Health, Wealth, and Happiness (New York: Caravan, 2008).
70 John T. Warner 和 Saul Pleeter,“个人折现率:来自军事缩编项目的证据”,《美国经济评论》,第 91 卷,第 1 期,2001 年 3 月,第 33-53 页。
70 John T. Warner and Saul Pleeter, “The Personal Discount Rate: Evidence from Military Downsizing Programs,” American Economic Review, Vol. 91, No. 1, March 2001, 33-53.
71 罗伯特·E·鲁宾,《在不确定的世界:从华尔街到华盛顿的艰难抉择》(纽约:兰登书屋,2003 年),第 321-350 页。
71 Robert E. Rubin, In an Uncertain World: Tough Choices from Wall Street to Washington (New York: Random House, 2003), 321-350.
72 “投资视野:经理人是否言行一致?”,美世咨询与 IRRC 研究所,2010 年。73 彼得·F. 德鲁克,《人与绩效:德鲁克论管理精华》(马萨诸塞州波士顿:哈佛商学院出版社,2007 年),56 页。
72 “Investment Horizons: Do Managers Do What They Say?” Mercer and IRRC Institute, 2010. 73 Peter F. Drucker, People and Performance: The Best of Peter Drucker on Management (Boston, MA: Harvard Business School Press, 2007), 56.