预测的价值,或这场雨从何而来?
致:备忘录接收人
自:
Memo to: From:
客户
霍华德·马克斯,TCW
Clients Howard Marks, TCW
关于预测的价值,或这场雨究竟从何而来?
Re: The Value of Predictions, or Where'd All This Rain Come From?
任何长期与我合作的客户,都曾多次听我发表过对市场预测的负面看法。如今,我决定一次性把我能想到的所有关于预测的坏话都说出来。
预测的期望值 = 正确预测的价值 × 预测正确的概率
Anyone who has been my client for long has heard from me on many occasions with negative comments about market forecasts. Now, I have decided to say at once all of the bad things I can think of about predictions. The Expected Value of a Forecast = Value of Correct Forecast x Probability of Being Correct U
人们想预测股票或债券走势的动机,不难理解。多年来,观察者注意到价格大幅波动,算过在底部投入一美元、在顶部撤出能值多少,再对比在“买入并持有”策略下一美元的价值。两者差距总是大得诱人。
The motivation for trying to guess the direction of stocks or bonds is easy to understand. Observers have for years noted the wide price swings, calculated the value of a dollar invested at the bottoms and disinvested at the tops and compared the result against the value of a dollar invested under a “buy-and-hold” strategy. The difference is always temptingly large. P
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然而,问题在于,除非预测者的判断正确,否则他或她捕捉这些波动的所有尝试都毫无价值。但要做到正确,谈何容易。
The problem, however, comes from the fact that none of the forecaster's attempts to capture the swings have any value unless his or her predictions are right. But It's Hard to be Right
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我赞同约翰·肯尼思·加尔布雷思的说法。他说:“世上有两类预测者:一类不知道,另一类不知道自己不知道。”如果预测未来很容易,那么取得卓越投资业绩也会容易得多——那样或许人人都能获得超越平均的表现。
预测准确但无特色,并无助益
说实话:我们大多数人预测未来的能力大致相当。问题在于,就算准确率跟普通预测者一样高,也产生不了超群的结果。
I agree with John Kenneth Galbraith. He said “We have two classes of forecasters: Those who don't know -- and those who don't know they don't know.” If it was easy to predict the future, it would be easier to attain excellent investment results -- then maybe everyone could have above-average performance. Being Right With Average Consistency Doesn't Help Let's face it: most of us have roughly the same ability to predict the future. And the trouble is that being right as often as the average forecaster won't produce superior results. U
每一位投资者都希望获得超越平均水平的回报。在机构投资者的世界里,相对业绩就是圣杯。即便在其他领域,目标也是抢先洞察未来——并踏上相应的盈利之路。显然,在这些追求中,若正确率仅与旁人相当,则无济于事。
Every investor wants results which are above average. In the institutional world, relative performance is the Holy Grail. Even elsewhere, the objective is to be the first to see the future -- and take the appropriate route to profit. It obviously doesn't help in these pursuits to be right only as often as others are.
1993 年橡树资本管理有限合伙公司(Oaktree Capital Management, L.P.)
1993 Oaktree Capital Management, L.P.
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即便预测准确,平均水平的预测也没什么用。
An Average Forecast Doesn't Help Even If It's Correct
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“对”本身并不能带来超额收益,如果市场共识的预测也是对的,那结果就平庸了。
举个例子,如果市场共识预测实际国民生产总值增长 5%,股价就会提前反映这一预期。你随后判断国民生产总值会增长 5%,这种增长预期促使你买入股票,但你买入的价格早已把这样的增长消化进去了。等到实际公布的增长果真为 5% 时,股价大概率不会跳涨——因为市场对 5% 增长的反应,在共识预期形成那一刻就已经完成了。相反,最合理的猜测是,你在持有期内只会获得股票正常的风险调整后收益。说到底:正确的预测,并不一定能转化为出色的投资业绩。
超额利润,来自对极端事件的正确预判。
Being "right" doesn't lead to superior performance if the consensus forecast is also right. For example, if the consensus forecast for real GNP growth is 5%, then stock prices will come to reflect that expectation. If you then conclude that GNP will grow at 5% and your expectation of rapid growth motivates you to buy stocks, the stocks you buy will be at prices which already anticipate such growth. If actual GNP growth at 5% is subsequently announced, stock prices probably will not jump -- because their reaction to 5% growth took place when the consensus forecast was arrived at. Instead, the best guess is that you will earn the normal risk-adjusted return for equities over your holding period. Bottom line: correct forecasts do not necessarily translate into superior investment results. Above-Average Profits Come From Correctly Forecasting Extreme Events
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早在至少二十五年前,人们就注意到,股价的变动与盈利变化高度相关。于是大家得出结论:准确预测盈利,是股票赚钱的关键。
然而,后来人们才意识到,真正引发股价变动的并非盈利变化本身,而是超出预期的盈利变化。翻翻报纸就能看到。有些日子,一家公司宣布盈利翻倍,股价应声大涨;另一些盈利翻倍却连个水花都没溅起来——甚至反而引发下跌。关键问题不是“变化了多少”,而是“是否在预料之中”?这一变化是否被市场共识准确预判,从而已经反映在股价里?如果是,消息公布后理应反应平平。如果不是,那么消息公布后,惊喜是正面的,股价上涨;惊喜是负面的,股价下跌。
这就引出了一个重要的两难困境。平均而言,每个人的预测都趋同于市场共识。如果你的预测也与共识一致,那即便预测正确,也造就不了超越平均的表现。卓越的业绩来自准确的非共识预测。但大多数预测者并不糟糕,所以实际结果大多落在共识附近——而非共识预测往往沦为错误。就业绩而言,回报表大致是这样的:
At least twenty-five years ago, it was noted that stock price movements were highly correlated with changes in earnings. So people concluded that accurate forecasts of earnings were the key to making money in stocks. It has since been realized, however, that it's not earnings changes that cause stock price changes, but earnings changes which come as a surprise. Look in the newspaper. Some days, a company announces a doubling of earnings and its stock price jumps. Other earnings doublings don't even cause a ripple -- or they prompt a decline. The key question is not "What was the change?" but rather "Was it anticipated?" Was the change accurately predicted by the consensus and thus factored into the stock price? If so, the announcement should cause little reaction. If not, the announcement should cause the stock price to rise if the surprise is pleasant or fall if it is not. This raises an important Catch 22. Everyone's forecasts are, on average, consensus forecasts. If your prediction is consensus too, it won't produce above-average performance even if it’s right. Superior performance comes from accurate nonconsensus forecasts. But because most forecasters aren't terrible, the actual results fall near the consensus most of the time -- and non-consensus forecasts are usually wrong. The payoff table in terms of performance looks like this: U
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Forecast
Forecast
Accurate?
Accurate?
Consensus
Consensus
Non-Consensus
Non-Consensus
Yes
Yes
Average
Average
Above Average
Above Average
No
No
Average
Average
Below Average
Below Average
1993 年橡树资本管理有限合伙公司
1993 Oaktree Capital Management, L.P.
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问题是,卓越的表现只来源于正确的非共识预测,但非共识预测难以做出,难以做正确,也难以付诸行动。
The problem is that extraordinary performance comes only from correct nonconsensus forecasts, butnon-consensus forecasts are hard to make, hard to make correctly and hard to act on . U
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1978 年利率还在 8% 的时候,大多数人认为会一直这么下去。看空利率的人预测会到 9%,看多的人预测会到 7%。大多数时候,利率确实落在这个区间里,没人能赚到大钱。
真正赚到大钱的是那些预测长期债券收益率会到 15% 的人。可这些人当时在哪呢?极端的预测很少能应验,但就是这样的预测能让你赚得盆满钵满。
大多数预测不过是把现状往外推。
When interest rates stood at 8% in 1978, most people thought they'd stay there. The interest rate bears predicted 9%, and the bulls predicted 7%. Most of the time, rates would have been in that range, and no one would have made much money. The big profits went to those who predicted 15% long bond yields. But where were those people? Extreme predictions are rarely right, but they're the ones that make you big money. Most Forecasts are Extrapolations
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事实是,大多数预测者所预见的未来与近期过往颇为相似。原因之一是事物往往延续其原有轨迹,重大变革并不频繁发生;另一个原因是多数人不做“归零式”预测,而是以当前观察或常规范围为起点,再依据个人判断略作增减;最后,真正的“沧海巨变”极难预见。
正因如此,一些最令人铭记的预测往往是对现状或趋势的简单延伸,却最终落空。《商业周刊》或许永远无法摆脱《股票之死》与《债券之死》的阴影。在 1990 年代中期低谷时,媒体断言再无人会购买高收益债券。1989 年,无人相信牛仔队离开汤姆·兰德里还能取胜,也无人认为湖人队或 49 人队会输球。六年前,东西海岸经济增长被视为定局,而铁锈地带的苦痛被预期永无止境。仅仅两年前,乔治·布什还是稳操胜券。
这便引出了我标题的后半句:雨从何来?这份备忘录的写作灵感,源于我思考今年西部经历的异常充沛降水——以及数月前的报纸文章。据那些文章所述,古树的年轮暗示五十年一遇的干旱或许才是常态,而迄今为止五年的干旱仅仅是个开始。
干旱开始之前,无人做出预测——而那时此类预测本可发挥作用。但即便它可能即将结束,其长期延续的可能性却被公之于众了。
The fact is, most forecasters predict a future quite like the recent past. One reason is that things generally continue as they have been; major changes don't occur very often. Another is that most people don't do "zero-based" forecasting, but start with the current observation or normal range and then add or subtract a bit as they think is appropriate. Lastly, real "sea changes" are extremely difficult to foretell. That's why some of the best-remembered forecasts are the ones that extrapolated current conditions or trends but were wrong. Business Week may never live down "The Death of Equities" and "The Death of Bonds." At the mid-1990 lows, the press suggested that no one would ever buy a high yield bond again. In 1989, nobody thought the Cowboys would ever win without Tom Landry, or that the Lakers or 49ers would ever lose. Six years ago, the growth of both coasts' economies was considered assured, and the Rustbelt's suffering was expected to continue forever. Only two years ago, George Bush was a shoe-in. And that brings me to my subtitle: Where'd All This Rain Come From? The motivation for this memo came as I considered the extraordinary amount of precipitation the West has experienced this year -- and newspaper articles of a couple of months ago. According to the articles, the rings on old trees suggested that fifty year droughts might be the norm and the five year drought to date just the beginning. No one predicted the drought before it began -- when such a forecast might have helped. But just as it may have been about to end, the possibility of its long-term continuation was unveiled.
1993 年 橡树资本管理有限合伙公司
1993 Oaktree Capital Management, L.P.
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预测者通常在极端情况下错得最离谱。
Forecasters are Usually Most Wrong at the Extremes
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正是在这样的时刻——这样的拐点上——对变化的准确预测才最有价值,却也最难做出。
以高收益债券为例。1989 年和 1990 年,一连串负面事件接踵而至,这类债券遭受持续重创。经济衰退、80 年代多起杠杆收购的失败、过于严苛的监管出台,以及德崇证券、哥伦比亚储蓄公司和执行人寿保险的倒闭。所有这些被大量过度负面的报道串联起来——并被进一步放大。
每一次事态都像“滴水刑”般再添一击。每一次都让一些投资者再也撑不住乐观。于是每一次都淘汰掉一个潜在买家,催生出一个卖家,把价格进一步压低。
说到底,市场的底部是什么?就是那个最后还拿得住、最终却选择卖出的持有者真正卖出的一刻——也就是价格跌到事后看确实是最低点的那一刻。从那个时点起,既然再没人看空,几条好消息或几个笃信价值的买家入场,就足以扭转市场。
所以你可以看到,负面情绪的高潮、最低的价格和预测上涨的最大难度,总是同时出现。难怪靠预测赚钱这么难。
极端的预测既难让人相信,也难照着行动。
It's at just such times --- such inflection points -- when accurate forecasts of change would be the most valuable but are the hardest to make. Take high yield bonds, for instance. In 1989 and 1990 they absorbed a continual beating as a series of negative developments came together. There was the recession, the failure of a number of the leveraged buyouts of the 1980s, enactment of excessively stringent regulation and the collapse of Drexel Burnham, Columbia Savings and Executive Life. All of this was tied together -- and accentuated -- by lots of overly negative publicity. Each development was another drip of "Chinese water torture." Each one put an end to some investor's ability to remain optimistic. And so each one eliminated a potential buyer, created a seller and moved prices lower. And after all, what is a market bottom? It's that moment when the last holder who will become a seller actually does so -- and thus the moment when prices hit levels that will prove to have been the lows. From that point on, with no one left to turn negative, a few pieces of good news or the arrival of a few buyers with belief in values are enough to turn a market. So you can see that the crescendo of negativism, the lowest prices and the greatest difficulty in predicting a rise all occur simultaneously. No wonder it's hard to profit from forecasting. Extreme Forecasts are Hard to Believe and Act On
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假设在 1990 年 10 月,有人带着足够的想象力和勇气(因为那正是所需之物),主动向普通投资者推销高收益债券的看多理由。投资者会相信并买入吗?大概不会。潜在有利可图的非共识预测,之所以极难让人相信并付诸行动,原因很简单——它们离主流智慧太远了。如果一个预测完全合乎逻辑、容易被接受,那它就成了共识预测(其盈利潜力也会大打折扣)。
所以,如果有人告诉你,美国汽车制造商在国内市场的份额将在五年内回升到 100%,那将是一个对利润有巨大影响的预测。但你真能相信吗?你能据此行动吗?
对未来的预测与现状差异越大,(1)它就越可能偏离共识预测,(2)一旦正确,利润就越大,(3)它就越难被相信和付诸行动。
Let's say the average investor was approached in October 1990 by someone who had enough imagination and courage (because that's what was needed) to make a positive case for high yield bonds. Would the investor have believed and bought? Probably not. Potentially-profitable non-consensus forecasts are very hard to believe and act on for the simple reason that they are so far from conventional wisdom. If a forecast was totally logical and easily accepted, then it would be the consensus forecast (and its profit potential would be much less). So if someone told you the U.S. auto makers' share of domestic market was going back to 100% in five years, that would be a forecast with enormous implications for profit. But could you possibly believe it? Could you act on it? The more a prediction of the future differs from the present, (1) the more likely it is to diverge from the consensus forecast, (2) the greater the profit would be if it's right, and (3) the harder it will be to believe and act on it.
1993 年 橡树资本管理有限合伙公司
1993 Oaktree Capital Management, L.P.
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时机判断也得同样正确才行
You Have to Be Right About Timing Too
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一个盈利的预测不仅方向或事件要对,时机也必须判断准确。
假设你接受了“三大汽车厂商将重新占有美国市场 100% 份额”的预测,并据此买入股票。假如一年后它们的市场份额下降(股价也跟着跌)呢?你能坚持长期持有,还是会动摇决心?假如五年后它们的份额(和股价)依然原地踏步呢?你会不会放弃?而放弃时,会不会恰恰赶上预测应验?
打扑克时,“胆怯的钱永远赢不了”。投资中,要坚守一个可能性不高、非共识的预测并做出正确行动,很难……尤其当时间在告诉你预测站不住脚的时候。多年前有人对我说过:“比时代超前太多,和判断错误,看起来没两样。”
错误的预测会让你亏钱
Not only must a profitable forecast have the event or direction right, but it must be correct as too timing as well. Let's say you accepted the forecast that the Big Three would come to again own 100% of the U.S. market, and you bought the stocks in response. What if a year later their share was lower (and their stocks too)? Could you continue to hold out for the long term, or would your resolve weaken? What if their shares (and stocks) were unchanged five years later? Wouldn't you give up? And wouldn't that be just in time to see the prediction come true? In poker, "scared money never wins." In investing, it's hard to hold fast to an improbable, non-consensus forecast and do the right thing…especially if the clock is telling you the forecast is off base. As I was told years ago, "being too far ahead of your time is indistinguishable from being wrong." Incorrect Forecasts Can Cost You Money
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诸位已知,我们管理投资组合从不参考对大盘走势的判断。外人或许觉得,这种做法让客户暴露在市场波动之下,风险过大;为了保障客户利益,我们理应根据对未来的预判,主动进出市场。
但请记住,这么做只有在预测准确时才行得通(而且准确率得高于市场共识)。我认为,正因为预测本身充满不确定性,不去尝试反而更稳妥。
举个例子,人们持有股票,是因为看好股票的长线回报。1926 年到 1987 年,股票的年均回报率为 9.44%。但倘若你在这 744 个月里转为持有现金,错过了表现最好的 50 个月,那你就错过了全部收益。这告诉我,择时尝试本身就是风险的来源,而非保护。
若能预见后续走势,从而灵活调整投资仓位,自然是好事;可我认为,真去做这件事,风险实在太大。
做预测,是要花钱的。
As you know, we run our portfolios without reference to what we think the broad markets will do. An observer might think such behavior exposes us unduly to the fluctuations of the markets, and that to protect our clients we should actively go in and out of the markets based on what we think will happen. But remember, that will work only if our forecasts are right (and right more often than the consensus is right). I would argue that because forecasting is uncertain, it's safer not to try. For example, people hold equities because they find prospective long-term equity returns attractive. The average annual return on equities from 1926 to 1987 was 9.44%. But if you had gone to cash and missed the best 50 of those 744 months, you would have missed all of the return. This tells me that attempts at market timing are a source of risk, not protection. It would be nice in anticipation of subsequent performance to be able to vary the amount invested, but I think it's just too risky to try. It Costs Money to Make Forecasts
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如上文所述,最好的做法或许就是在难以预测的市场中满足于长期平均表现。效率市场派认为股票市场预测如同掷硬币。若你有一半时间判断正确且不带偏见,你的预测比起买入持有既不会带来帮助,也不会造成损害。但
As suggested above, the best thing might just be to settle for average long-term performance in markets that are hard to predict. Efficient marketeers think stock market forecasts are about as good as coin tosses. If you're right half the time without bias, your forecasts won't help or hurt versus buy-and-hold. But
1993 年 橡树资本管理有限合伙企业(Oaktree Capital Management, L.P.)
1993 Oaktree Capital Management, L.P.
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保留所有权利。
All Rights Reserved
预测是通过交易实现的,而交易要花钱。就算你对一半,还花钱去试,交易做得越多,业绩就越不如买入持有。
很少有人回头检视自己的预测。
forecasts are implemented through transactions which cost money. If you're right half the time and spend money to try, your performance will fall further below buy-andhold results the more trading you do. Few People Revisit Their Forecasts
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我们总是读到“我认为股市会上涨”,却从没读到“我认为股市会上涨(而我过去 30 次预测对了 8 次)”,也没读到“我认为股市会上涨(顺便说一句,去年我也这么说,结果错了)”。你能想象不参考打击率就决定雇佣哪些棒球球员吗?你什么时候见过市场预测者的过往业绩记录?
大多数预测没有考虑其他可能的结果。
We always read "I think the stock market's going to go up." We never read "I think the stock market's going to go up, (and 8 out of my last 30 predictions were right)" or "I think the stock market's going to go up (and by the way I said the same thing last year and was wrong)." Can you imagine deciding which baseball players to hire without knowing their batting averages? When did you ever see a market forecaster's track record? Most Forecasts Don't Allow for Alternative Outcomes
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我猜大多数基金经理的流程是这样的:“我预测经济会走向 A。如果 A 发生,利率应该会变成 B。在 B 的利率环境下,股市应该会走出 C 的行情。在这种背景下,表现最好的板块应该是 D,而股票 E 的涨幅最大。”然后,他们就构建出在这种情景下预期表现最佳的组合。
可问题在于,E 真的有多大可能发生?记住,E 是建立在 A、B、C 和 D 都成立的基础上的。在预测领域,猜对三分之二已经是了不起的成就。但如果这五个预测各自有 67% 的把握,那么全部命中、组合表现符合预期的概率,只有 13%。
万一走的是别的剧本呢?组合会怎样?这些做预测的投资人,有没有在组合里为“预测可能落空”留出余地?
最后,再问问自己:“凭什么是我?”
I imagine that for most money managers, the process goes like this: "I predict the economy will do A. If A happens, interest rates should do B. With interest rates of B, the stock market should do C. Under that environment, the best performing sector should be D, and stock E should rise the most." The portfolio expected to do best under that scenario is then assembled. But how likely is E anyway? Remember that E is conditioned on A, B, C and D. Being right two-thirds of time would be a great accomplishment in the world of forecasting. But if each of the five predictions has a 67% chance of being right, then there is a 13% probability that all will be correct and the portfolio will perform as expected. And what if some other scenario unfolds? How will the portfolio do? How do the forecaster/investors make allowances in their portfolios for the likelihood that their predictions will prove incorrect? Lastly, Ask Yourself "Why Me?"
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这句话的意思是:“如果一个人做出了一个可能很有价值的预测,而且他对准确性有很高的把握,那他为什么要把这个预测分享给你呢?”
想想看,一个准确的市场预测能带来多大的收益。用很少的本金,一个高明的预测者就能在期货市场赚到比雇主给的薪水多出许多倍的钱。好吧,就算他喜欢给别人打工——那他老板又为什么要把这些预测拱手送人,而不是拿去卖钱呢?也许你该问问自己,愿不愿意开一张支票,去买下你正打算据此行动的那个预测。
By this I mean "if someone has made a potentially valuable forecast with a high probability of being right, why is it being shared with you?" Think how profitable a correct market forecast could be. With very little capital, a good forecaster could make many times more in the futures market than in salary from an employer. Okay, let's say he likes to work for other people -- than why does his employer give his forecasts away rather than sell them? Maybe the thing to ask yourself is whether you would write out a check to buy the forecast you're considering acting on.
1993 年奥克特里资本管理有限合伙公司
1993 Oaktree Capital Management, L.P.
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格劳乔·马克思曾言:“我不会加入任何愿意接纳我为成员的俱乐部。”
换种说法或许是:“任何别人愿意分享给我的预测,我永远不会据此行动。”我并非说没有人具备超乎平均的预测能力。而是,正如一位芝加哥大学的教授多年前在一篇论文中所写,这类预测高手更可能正在圣特罗佩享受日光浴,而非四处恳求人们采纳他们的预测。
Groucho Marx said "I wouldn't join any club that would have me as a member." Another formulation may be "I would never act on any forecast that someone would share with me." I'm not saying that no one has above-average forecasting ability. Rather, 'as one University of Chicago professor wrote in a paper years ago, such forecasters are more likely to be sunning themselves in Saint Tropez than going around entreating people to borrow their forecasts. *
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关于宏观事件和被广泛关注的市场的预测,我们有一条底线,这些市场的信息分布相当均匀(即所谓的有效市场)。总而言之,我们认为:
大多数预测者能力平平
共识性预测毫无帮助
正确的非共识性预测可能带来丰厚利润,但难以持续做出,也难以让自己付诸行动
预测需要花费成本去执行,可能成为风险的来源而非回报
对我们的启示很明确。我们将继续回避基于市场趋势预测的投资组合管理,我们认为无论是我们还是其他任何人,对此都所知甚少。
相反,我们将继续努力“认知可知之事”——也就是说,在存在偏见的市场中运作,在这些市场中,非经济动机占据主导,并且通过辛勤工作和卓越洞察力获得优势是可能的。我们将努力了解少数几件事物的全部……而不是对所有事物都略知一二。
可转换证券、高收益债券和困境公司债务,这些市场中的低效性在回报和风险方面都带来了不同寻常的机会。我们将继续以规避风险且不依赖宏观预测的方式利用这些机会。
1993 年 2 月 15 日
……[预测]只配在冬天炉火旁的闲谈中派上用场。
弗朗西斯·培根爵士
There is a bottom line for us on the subject of predictions regarding macro-scale events and widely-followed markets about which information is rather evenly disseminated (so-called efficient markets). In sum, we feel that: most forecasters have average ability consensus forecasts aren't helpful correct non-consensus forecasts are potentially very profitable but are also hard to make consistently and hard to bring yourself to act on forecasts cost money to implement and can be a source of risk rather than return The implications for us are clear. We will continue to eschew portfolio management based on forecasts of market trends, about which we think neither we nor anyone else knows much. Instead, we will continue to try to "know the knowable" -- that is, to work in markets which are the subject of biases, in which non-economic motivations hold sway, and in which it is possible to obtain an advantage through hard work and superior insight. We will work to know everything we can about a small number of things…rather than a little bit about everything. Convertible securities, high yield bonds and distressed company debt are all markets in which market inefficiencies give rise to unusual opportunities in terms of return and risk. We will continue to exploit these opportunities in a manner which is risk-averse and non-reliant on macro-forecasts. February 15, 1993 . . . [predictions] ought to serve but for winter talks by the fireside. Sir Francis Bacon
1993 年 橡树资本管理有限合伙公司
1993 Oaktree Capital Management, L.P.
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关于识别投资机会的几点随想
霍华德·马克斯 —— 1994 年 1 月 24 日
Random Thoughts on the Identification of Investment Opportunities Howard S. Marks -- January 24, 1994 U
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投资界没有任何群体或行业,天生享有稳定高回报的承诺。
没有任何一种资产类别能仅凭其性质就表现良好。以房地产为例。人们常说“你应该买房地产,因为它能对冲通胀”,还说“你应该买房地产,因为土地只会越来越少”。但在错误的时间入场,房地产投资同样行不通。
No group or sector in the investment world enjoys as its birthright the promise of consistent high returns. There is no asset class that will do well simply because of what it is. An example of this is real estate. People said, "You should buy real estate because it's a hedge against inflation," and "You should buy real estate because they're not making any more." But done at the wrong time, real estate investing didn't work.
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最重要的不是投资什么,而是何时投资、以什么价格投资。投资本身并无好坏之分。例如,选对好公司并不足以保证好结果——看看 1974 年的施乐、雅芳、默克和其余“漂亮五十”就知道了。
任何投资的好坏,取决于买入的时机和付出的价格。人们常说,“任何债券,价格合适都能达到 3A 级。”没有哪只证券好到不会高估,也没有哪只差到不会低估。
What matters most is not what you invest in, but when and at what price. There is no such thing as a good or bad investment idea per se. For example, the selection of good companies is certainly not enough to assure good results -- see Xerox, Avon, Merck and the rest of the "nifty fifty" in 1974. Any investment can be good or bad depending on when it's made and what price is paid. It's been said that "any bond can be triple-A at a price." There is no security that is so good that it can't be overpriced, or so bad that it can't be underpriced.
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投资中最重要的纪律不是会计或经济学,而是心理学。
关键在于现在谁喜欢这项投资,谁不喜欢。未来的价格变化将由未来喜欢它的人更多还是更少来决定。
投资就是一场人气竞赛,最危险的事情是在人气最旺的时候买入。那时,所有有利的事实和观点都已计入价格,不会再涌现新的买家。
最安全且潜在回报最高的做法,是没人喜欢的时候买入。假以时日,它的人气,进而价格,只可能朝一个方向走:上涨。
看看哪些资产类别在举办研讨会,有多少人参加。满座的研讨会是危险信号。你要参与的是只有一两个买家的拍卖,而不是有成百上千人的那种。
你要么在资产被发现之前买入,要么在洗牌之后买入。
The discipline which is most important in investing is not accounting or economics, but psychology. The key is who likes the investment now and who doesn't. Future prices changes will be determined by whether it comes to be liked by more people or fewer people in the future. Investing is a popularity contest, and the most dangerous thing is to buy something at the peak of its popularity. At that point, all favorable facts and opinions are already factored into its price, and no new buyers are left to emerge. The safest and most potentially profitable thing is to buy something when no one likes it. Given time its popularity, and thus its price, can only go one way: up. Watch which asset classes they're holding conferences for and how many people are attending. Sold-out conferences are a danger sign. You want to participate in auctions where there are only one or two buyers, not hundreds or thousands. You want to buy things either before they've been discovered or after there's been a shake-out.
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归根结底,最好的做法是当个逆向投资者。
The bottom line is that it is best to act as a contrarian.
1994 年,橡树资本管理有限合伙公司(Oaktree Capital Management, L.P.)
1994 Oaktree Capital Management, L.P.
保留所有权利。
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一个“所有人都知道”被低估的投资,本身就是自相矛盾的说法。如果所有人都知道它被低估了,那他们为什么不买进,从而推高它的价格呢?如果他们真买了,价格怎么还会这么低?
约吉·贝拉说过:“没人去那家餐馆,它太火了。”投资界同样自相矛盾的说法是:“大家都喜欢那只证券,因为它实在太便宜了。”
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An investment that "everyone" knows to be undervalued is an oxymoron. If everyone knows it's undervalued, why haven't they bought it and driven up its price? And if they have bought, how can the price still be low? Yogi Berra said, "nobody goes to that restaurant; it's too popular." The equally oxy-moronic investment version is "Everybody likes that security because it's so cheap." 5.
接下这笔没人愿意下的注。
如果在一场橄榄球赛中,人人都看好热门队伍并想下注,那么让分盘会扩大到连那支强队都很难覆盖的程度。那就站在另一边——押冷门队伍。
同样,如果所有人都对垃圾债券避之不及,你就有了机会,以高得离谱的收益率买进它们,这个收益率不仅远超实际信用风险所需的补偿,还为它们日后成为全球表现最好的固定收益领域铺平了道路。1990 年末就是这种情况。
说到底,你得想法子站在所有人的对立面。人人追捧时,卖出;无人问津时,买入。
Book the bet that no one else will. If everyone likes the favorite in a football game and wants to bet on it, the point spread will grow so wide that the team -- as good as it is -- is unlikely to be able to cover the spread. Take the other side of the bet -- on the underdog. Likewise, if everyone is too scared of junk bonds to buy them, it will become possible for you to buy them at a yield spread which not only overcompensates for the actual credit risk, but sets the stage for their being the best performing fixed income sector in the world. That was the case in late 1990. The bottom line is that one must try to be on the other side of the question from everyone else. If everyone likes it, sell; if no one likes it, buy.
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正如沃伦·巴菲特所言:“别人打理事务越不谨慎,你就越应该谨慎行事。”当他人恐慌时,你不必恐慌;当他人不恐慌时,你最好保持警惕。人们常说市场由恐惧与贪婪驱动。我却认为,在任何特定时刻,市场只由其中一种情绪主导。
As Warren Buffet said, “the less care with which others conduct their affairs, the more care with which you should conduct yours." When others are afraid, you needn't be; when others are unafraid, you'd better be. It is usually said that the market runs on fear and greed. I feel at any given point in time it runs on fear or greed. U
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1991 年刚开始时,所有人对高收益债券都怕得要死。只有最优质的债券才能发行,因此那时的买家根本不需要做任何信用分析——市场替他们完成了这项工作。市场的集体恐惧促使高标准得以执行。但等到投资者无所畏惧时,他们什么都会买。于是,明智投资者的工作量大大增加了。
As 1991 began, everyone was petrified of high yield bonds. Only the very best bonds could be issued, and thus buyers at that time didn't have to do any credit analysis -- the market did it for them. Its collective fear caused high standards to be imposed. But when investors are unafraid, they'll buy anything. Thus the intelligent investor's workload is much increased. 7.
格雷欣法则说的是“劣币驱逐良币”。纸币一出现,黄金就消失了。投资领域也一样:差劲的投资者会把优秀的投资者挤出场外。
当挑剔度不高的投资者出现时,他们什么都买。承保标准随之下降,对要求高的投资者来说,就很难找到回报与风险平衡符合他们要求的投资机会,于是他们被迫靠边站。要求高的投资者必须能接受时不时地按兵不动。
Gresham's Law says "bad money drives out good." When paper money appeared, gold disappeared. It works in investing too: bad investors drive out good. When undemanding investors appear, they'll buy anything. Underwriting standards fall, and it gets hard for demanding investors to find opportunities offering the return and risk balance they require, so they're forced to the sidelines. Demanding investors must be willing to be inactive at times.
1994 年 橡树资本管理有限合伙公司
1994 Oaktree Capital Management, L.P.
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Memo To:
Memo To:
Clients
Clients
From:
From:
霍华德·S·马克斯,TCW
Howard S. Marks, TCW
Re:
Re:
当下市场中的风险
Risk in Today's Markets
2 月 4 日,股市对美联储小幅加息的反应如此剧烈,道琼斯指数下跌 96 点,这表明市场对负面消息缺乏准备。这促使我写信给您,谈谈我认为当前市场中可能存在的某些风险。
关于经济和企业盈利前景,看涨的理由有很多,也不乏专家来阐述这些观点。虽然我不会花费篇幅或时间去讨论它们,但我并非假装它们不存在。我也不会否认,作为一位天生谨慎的投资者,我有时倾向于夸大负面因素。然而,我想做的是指出,我认为投资者如今在多大程度上表现出对风险的容忍态度,以及这对我们所有人的影响。
过去几年里,两个强大的趋势一直在起作用。第一个是利率的下降,利率已降至过去三十年的最低水平,导致人们对低风险固定收益投资的回报感到极度不满。第二个是 1991 年至 1993 年间几乎所有证券投资都取得了惊人的表现。这段时期,冒险行为得到了回报,而且几乎无一例外,那些承担巨大风险的人获得了极高的回报。
把这两个现象放在一起,你会得到什么?我认为答案是,一个大力鼓励冒险的环境。
人们常说市场由恐惧和贪婪驱动,但我相信它通常由恐惧或贪婪主导;也就是说,在大多数时候,两者之一占上风。如今,由于上述两个趋势,贪婪被大大放大,更重要的是,恐惧供应不足。因此,
The ability of the stock market to react so harshly on February 4 to a small, Fedmandated rise in interest rates, pushing the Dow down 96 points, suggests a lack of preparedness for negative developments. This prompts me to write to you about certain risks I feel may be present in the markets today. There are plenty of bullish arguments to be made about the prospects for the economy and corporate profits, and pundits to make them. While I will not devote space or time to them, I don't pretend they are nonexistent. And I won't deny the possibility that as an inherently cautious investor, I sometimes tend to overstate the negatives. What I want to do, however, is point out the degree to which I feel investors are behaving in a risktolerant manner today, and the implications for all of us. Two very powerful trends are at work, and have been for the last few years. The first is the decline in interest rates, which has carried rates to the lowest levels of the last thirty years and brought on great dissatisfaction with the returns available from low-risk fixed income investments. The second is the fabulous performance which was produced by virtually all investments in securities from 1991 to 1993. This was a period in which risk-taking was rewarded, and almost without exception very high returns went to those who took great risk. Put these two phenomena together and what do you have? I think the answer is an environment in which risk-taking is greatly encouraged. It is often said that the market runs on fear and greed, but I believe it usually runs on fear or greed; that is, at most points in time, one or the other predominates. Right now, because of the two trends cited above, greed is greatly elevated and, perhaps more importantly, fear is in short supply. Thus, -
货币市场投资者不满足于每年 3% 的收益(扣除税收和通胀后实为负回报),转而投向票据和债券。
the money market investor, not content to earn 3% per year, (a negative return after taxes and inflation), turns to notes and bonds,
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在收益率曲线较短端(即“低风险”端)回报不尽如人意的债券投资者,转而延长投资期限,
the bond investor, unhappy with returns at the shorter (read "low-risk") end of the curve, extends maturities,
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高等级债券投资者会降低信用标准,
the high grade bond investor drops down in quality,
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固定收益投资者转向股市,
the fixed income investor turns to equities,
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股权投资者加入对冲基金,
the equity investor joins a hedge fund,
1994 年,橡树资本管理有限合伙(Oaktree Capital Management, L.P.)
1994 Oaktree Capital Management, L.P.
版权所有,保留所有权利。
All Rights Reserved
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这位国内投资者将目光投向海外,
the domestic investor looks overseas,
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国际投资者强调新兴市场,并且
the international investor emphasizes emerging markets, and
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传统债券与股票投资者,则四处寻觅“另类投资”,指望能复制杠杆收购和破产基金的成功故事。
the traditional bond-and-stock investor searches for "alternative investments" likely to repeat the success of the LBO and bankruptcy funds.
他们为什么不该这么想?“大棒”是投资者传统领域提供的低预期回报,“胡萝卜”则是风险较高领域近期取得的高收益。简言之,“既然股市能给我两位数的回报,我何必满足于国债的 3%?”
痴迷高回报、或对其不加质疑地接受的迹象比比皆是。资金如潮水般涌入共同基金便是其一;我最近参加了一场会议,会上某基金集团代表称,他们每天吸纳 1 亿美元,其中 90% 流入海外基金。保证金债务水平上升是另一迹象。投资类书籍正登上畅销书榜单。对冲基金经理的名字几乎家喻户晓。
说到这里,我不妨以对冲基金为例来说明问题。二十年前我初次结识资产管理圈时,只有寥寥几位经理人有资格以分享利润作为报酬。而如今,据《福布斯》杂志最近一篇文章报道,对冲基金已有 800 家,有些人觉得能被某家大型基金接纳是千载难逢的机会。
不过我认为,有必要记住大多数投资具有对称性:几乎每把剑都是双刃的,靠冒险策略谋生者,也可能死于冒险。那些顺境时能让你大赚、逆境时又不会让你大亏的投资极为罕见,它们的存在必须以市场效率极低为前提。去年普通股票或债券回报率为 10% 至 15%,一些对冲基金凭什么做到 70% 甚至更高?靠的是对宏观动向(如汇率波动)进行大胆且高杠杆的押注。倘若经理人的计算被证明有误,后果会怎样?我认识的一位对冲基金经理去年业绩最佳,回报超过 100%,但据说他一生中有两次单日亏损 30%!对冲基金的追捧者们清楚自己承担了多少风险吗?他们的资金要锁定多久?他们对所采用的策略了解多少?正如《福布斯》那篇文章所指出的,多数对冲基金投资者收到的“信息”不过是每季度一段回报率汇报而已。
我并非抱怨对冲基金的存在或其流行本身。我的意思很简单:投资者承担的风险水平正在被系统性地推高——往往是在不知不觉中,而且是在许多估值已相当高的时候。
And why shouldn't they? The "stick" is the low prospective return offered in each investor's traditional bailiwick, and the "carrot" is the high returns earned recently in the riskier sectors. In brief, "why should I settle for 3% in T-bills when I can get double-digit returns in stocks?" There are numerous signs of infatuation with -- or non-questioning acceptance of -- the pursuit of high returns. The torrential inflow of dollars to mutual funds is one; I recently attended a conference at which a fund group representative said they were taking in $100 million a day, 90% of it for foreign funds. The rising level of margin debt is another. Books on investing are reaching the best-sellers list. The names of hedge fund managers are almost household words. And that brings me, for purposes of illustration, to the subject of hedge funds. When I first got to know the money management community twenty years ago, only a handful of managers were good enough to command a share of the profits as compensation. Today, according to a recent article in Forbes, there are 800 hedge funds, and some people think being accepted by one of the big names is the chance of a lifetime. I think it's important to remember, though, the symmetrical nature of most investments: almost every sword is two-edged, and he who lives by a risky strategy may die by it. Investments which will make you a great deal of money when things go well but not lose you a lot when things go poorly are very rare, and their existence must presuppose extremely inefficient markets. With the average stock or bond returning 10-15% last year, how did some hedge funds make 70% or more? It was through bold and heavilyleveraged plays on macro-developments such as currency movements. What would have happened if the managers' calculations had proved wrong? The hedge fund manager I know with the best performance last year, up more than 100%, is said twice in his life to have lost 30% in one day! Do the hedge fund aficionados know how much risk they are taking? For how long are they tying up their money? How much do they know about the strategies being employed? As the Forbes article pointed out, the sum of the "information" most hedge fund investors receive is a quarterly paragraph reporting the rate of return. I am not complaining about the fact that there are hedge funds, or about their popularity. My point is simply that the level of risk borne by investors is being systematically raised, often unknowingly and at a time when many valuations are quite high.
1994 年 橡树资本管理有限合伙
1994 Oaktree Capital Management, L.P.
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将低利率与低收益率和低股息率的对比,会让后者显得尚可容忍。同样,低利率还会推高按估值模型计算出的公司未来收益的折现现值。基于这些原因及其他因素,如今许多估值指标已升至过去被证明危险且不可持续的水平。然而,正如当今的低利率正推动投资者沿着上文所述的“食物链”一路追逐风险更高的证券,这把剑同样可能反向砍下。
沃伦·巴菲特说过一句我最欣赏的格言:“别人行事越不谨慎,我们行事就越应当谨慎。”我喜欢的另一句格言是:“智者之初,愚者之终。”任何投资行动本身既非明智也非愚蠢。一切取决于行动发生的时间点、付出的价格,以及当时他人如何行事。
当所有人因某只证券“风险太高”而避之不及,少数愿意买入者可以满怀信心地出手,因为他们清楚价格未被抬高,也明白他人终将克服恐惧、纷纷跟风。而如今,许多价格已被抬高,跟风的车厢里早已挤满了眼红的投资者。
在我看来,第一,眼下追逐的潮流几乎都非处于起步阶段;资金流向当今热门板块至少已有一两年。第二,虽然有人或许辩称价格并不算高得吓人,但要说它们很低(或说轻松钱还没赚到)几乎不可能。第三,我觉得投资者正在整个体系中接受更高层次的风险。
举一个例子:1989 年和 1990 年,我们谨慎的高收益投资为客户省下了大笔资金和许多烦恼。因为我们以深入、注重下行风险的信用分析对待债券市场的高收益板块,并对其作狭义界定,那些在上一次下跌中吃了苦头、不愿再承受下一次全部冲击的投资者,此后多年不断聘请我们。然而如今,我们察觉到人们对更“兼收并蓄”的经理人的兴趣在上升,这些人会买付息或不付息的债券、持续经营或破产的公司、可转换或直债,以及美国或外国债务。这只是我们身边一个例子,说明风险正重新获得接纳——而这或许恰逢错误时机。
过低的利率和过高的价格,某天或许会被证明为回调埋下了伏笔。果真如此,当下潮流将投资者推向的种种高风险策略,会加深那场回调带来的痛感。那么,我们主张采取什么行动?
我们并不鼓吹回避风险。事实上,明知风险而为之以求利润,正是我们许多工作的核心;我们也认为,如今创造性强、灵活应变的投资有其重要角色。但我们会借此机会,恳请你以最审慎的态度,重新审视当前及计划中的投资所伴随的风险。
Comparison against low interest rates makes low earnings yields and dividend yields seem tolerable. Likewise, low rates increase the discounted present value of companies' future earnings as calculated by valuation models. For these reasons and others, many valuation indicators are at levels today which have proved dangerous and unsustainable in the past. Just as today's low interest rates are pushing investors toward riskier securities all along the "food chain" described above, however, this sword can also cut the other way. Warren Buffet said, in one of my favorite adages, "The less prudence with which others conduct their affairs, the greater the prudence with which we should conduct our own affairs." Another adage I'm fond of is, "What the wise man does in the beginning, the fool does in the end." No course of investment action is either wise or foolish in and of itself. It all depends on the point in time at which it is undertaken, the price that is paid, and how others are conducting themselves at that moment. When everyone shrinks from a security because it's "too risky," the few who will buy it can do so with confidence, secure in the knowledge that the price has not been bid up, and in the likelihood that others will eventually outgrow their fear and jump on the bandwagon. Today, many prices have been bid up, and the bandwagon is already crowded with wild-eyed investors. It is my view that, first, few of the trends being pursued are at their beginnings; money has been flowing to today's popular sectors for at least a year or two. Second, while some may argue that prices are not forbiddingly high, it's almost impossible to argue that they're very low (or that the easy money hasn't already been made). Third, it seems to me that investors are accepting higher levels of risk throughout the system. Here's one illustration: Our cautious high yield investing saved clients a lot of money and heartache in 1989 and 1990. Because we apply in-depth, downside-conscious credit analysis to the high yield segment of the bond market, and define it narrowly, investors who were chastened by the last decline and don't want to bear the full brunt of the next one have hired us repeatedly in the years since. Now, however, we detect increased interest in more "eclectic" managers who will buy cash-paying or non-cash-paying bonds, going concerns or bankruptcies, convertible or straight bonds, and U.S. or foreign debt. This is just one example, near to us, of the new acceptability of risk -- at what just might be the wrong time. Too-low interest rates and too-high prices may prove at some point to have set the stage for a correction. If so, many of the riskier tactics to which recent trends are pushing investors will increase the extent to which that correction is felt. What course of action, then, would we argue for? We do not preach risk-avoidance. In fact, the knowing acceptance of risk for profit is at the core of much of what we do, and we feel there is an important role today for investing which is creative and adaptable. But we would take this opportunity to exhort you to review most critically the risk associated with your current and contemplated
1994 年橡树资本管理有限合伙公司
1994 Oaktree Capital Management, L.P.
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投资,而不要成为那些不加批判地随波逐流、投身风险浪潮的人。无论你决定选择何种投资机会,我们都鼓励你重视对所涉风险的透彻评估,以及谨慎的执行。
今天我们建议你追求的投资机会有何与众不同?不仅在于提供高回报,更在于回报与所涉风险相比更为相称。我们之所以推崇低效市场(例如我们参与的高收益债券、可转换证券和困境债务),是因为按定义而言,这些市场若被正确利用,存在实现回报与风险之比异常有利的潜力。
利用低效市场中的机会;坚持保全资本;拒绝以最大风险为代价追求最大回报;专精而非浅尝辄止;高度重视审慎分析;运用风险较低的优先证券——这些主题多年来一直是我们方法的基石。它们至今依然高度适用,应继续被我们所有人秉持,尤其是在周期的这个时点上。
investments, and not to be among those who uncritically joined the trend toward risk. Whatever investment opportunities you decide on, we would encourage you to stress thorough appraisal of the risks entailed and cautious implementation. What is it that distinguishes the investment opportunities we’d suggest you pursue today? Not just the offer of high returns, but of returns which are more than proportionate to the risk entailed. The reason we champion inefficient markets (such as the high yield bonds, convertibles and distressed debt we're involved with) is that there exists by definition the potential, if exploited correctly, for an uncommonly favorable ratio of return to risk. Exploitation of opportunities in inefficient markets; insistence on preserving capital; refusal to pursue maximum return at the cost of maximum risk; specialization rather than dabbling; heavy emphasis on careful analysis; use of less-risky senior securities -- these themes have been the cornerstones of our approach over the years. They remain highly relevant and should continue to be pursued by all of us, especially at this point in the cycle.
February 17, 1994
February 17, 1994
1994 年,橡树资本管理有限合伙(Oaktree Capital Management, L.P.)
1994 Oaktree Capital Management, L.P.
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致:
自:
事由:
Memo To: From: Re:
客户
霍华德·S·马克斯,TCW
“当今市场中的风险”再思考
Clients Howard S. Marks, TCW "Risk in Today's Markets" Revisited
七周前,我们发布了一份备忘录,题为《当今市场中的风险》。其核心观点是,1993 年通过高风险策略获得的优异回报,已经侵蚀了许多市场中的恐惧因素,加上保守型固定收益投资提供的低收益率,导致许多投资者在风险曲线上“向前迈出了一大步”。备忘录还指出,正如利率下降曾推动价格上涨并带来良好回报一样,利率变动也可能朝相反方向作用。最后,它提醒道,当他人因贪婪驱动而行事不谨慎、且缺乏恐惧时,我们有必要提高自身的审慎程度。
Seven weeks ago, we put out a memorandum entitled "Risk in Today's Markets." Its essence was that the excellent returns earned in risky strategies through 1993 had eroded the fear factor in many markets and, coupled with the low yields available on conservative fixed income investments, had caused many investors to take "one giant step forward" on the risk curve. It also pointed out that just as declining rates had acted to raise prices and generate good returns, rate movements could cut the other way too. Lastly, it cautioned that when others are acting imprudently, driven by greed and without much fear, it is important that we raise our level of prudence. U
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不幸的是,随后七周发生的事件表明,这些观察完全站得住脚。这份跟进备忘录的目的,就是要回顾这段时间里的事态发展,试图从已发生的事情中理出头绪,并寻找可以汲取的教训。关键在于理解投资的基本原理——这些原理不会随潮起潮落而改变。
当前这轮“调整”始于 2 月 4 日,那天美联储为了遏制通胀的苗头和行动,小幅上调了短期利率。债券市场的气一下子泄了,下跌又快又深。虽然其间有几天涨也有几天跌,但利率上调一旦开始,债券市场就始终没能恢复平衡。30 年期国债收益率从 1 月 28 日的 6.21% 一路升到 4 月 4 日的 7.40%,价格则从 100.41 跌到 86.22,跌幅 14%。跌势迅速蔓延到其他资产类别,许多采用高风险策略的投资者损失惨重。
有些观察者辩解称,经济和行业基本面依然向好。可那些利好早被过度追捧,由此引发的估值修正自然让人痛苦。所以,第一课必须记住:投资成功,与你为一项资产付出的价格关系极大,不亚于该资产本身的基本面状况。
Unfortunately, the events of the intervening seven weeks have shown these observations to be in order. It is the purpose of this follow-up memo to review the developments of the intervening time period, attempting to make sense out of what has happened and searching for lessons that can be drawn. It's about understanding basics of investing which don't come and go. The current "correction" dates from February 4, when the Federal Reserve Bank raised short term interest rates a small amount in order to choke off inflationary thought and action. The air quickly came out of the bond markets, and the decline has been swift and deep. Although there were good days for a while as well as bad, the bond market never did recover its equilibrium once the rate rise had begun. The yield on the 30-year Treasury bond rose from 6.21% on January 28 to 7.40% on April 4, with its price falling 14%, from 100.41 to 86.22. The decline spread quickly to other asset classes, and many investors in riskier strategies suffered harsh consequences. Some observers protest that economic and industry fundamentals continue to be favorable. But those positive developments had come to be valued too highly, and the resulting correction of valuations has been painful. It's important to note the first lesson, then: successful investing has at least as much to do with what you pay for an asset as it does with what that asset's fundamentals are . U
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但为什么美联储将短期利率上调半个百分点会引发如此严重的破坏?首先,当然,即便是政策收紧的一小步,也意味着可能还有更多动作在后头。更重要的是,这一举措突然大幅挫伤了投资者的乐观情绪,并重新唤醒了他们的恐惧。一月份之前,投资者表现得仿佛一切都不会出错。那次首次加息提醒了他们,事情可能出错——而且已经出错。于是,市场从极度亢奋的一端猛然摆回。在美联储加息让投资者看清负面因素之后,他们也注意到了与韩国、日本和中国的紧张关系、日元的强势,以及
But why did the Fed's half-point bump up in short rates cause such devastation? First, of course, even a small step in terms of policy-related tightening implies there may be much more to come. More importantly though, the move suddenly took a big bite out of investors' optimism and reawakened their fear. Through January, investors acted as if nothing could go wrong. That first rate rise served to remind them that something could go wrong -- and had. Thus there has been a swing back from a euphoric extreme. After the Fed's raising of rates opened their eyes to the negatives, investors also took notice of the tensions with Korea, Japan and China, the strength of the yen, and
1994 年,橡树资本管理有限合伙公司(Oaktree Capital Management, L.P.)
1994 Oaktree Capital Management, L.P.
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白水门事件带来的不确定性。与此同时,墨西哥股市也因总统候选人遇刺而经历了一场自身的调整。这里要吸取的重要教训是:每当市场参与者表现得好像一切都不会出错(或不会向好)时,那便是心理摆动的极端表现——正如我们在 1991 年 4 月信中所写的那种钟摆——必须认清其本质并据此行动。正如罗珊娜·罗莎娜丹娜在《周六夜现场》常说的那样,“总有事情会发生。”基于一切将持续顺利的投资行动注定失败。
uncertainty over Whitewater. At the same time, Mexico's stock market had its own correction, in reaction to the assassination of the leading presidential candidate. The important lesson to be learned here is that whenever market participants act as if nothing can go wrong (or right), that represents an extreme swing of psychology -- of the pendulum we wrote about in April 1991 -- that must be recognized for what it is and acted on. As Roseanne Rozanadana used to say on Saturday Night Live, "it's always something." Investment actions predicated on everything continuing to go well are bound to fail . U
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如果引发债券价格下跌的导火索是加息,那为什么跌势会蔓延到这么多其他市场,包括股票、外国债券和大宗商品?战略多元化的好处哪儿去了?我要列举以下几个因素来回答:
If the spark that set off the decline in bond prices was the rate increase, why did the slump spread to so many other markets, including equities, foreign bonds, and commodities? Where were the benefits of strategic diversification? I would respond citing the following factors: -
第一,利率影响一切事物的价值。投资就是今天拿出钱,以便日后拿回更多。预计未来收益的“折现现值”与当前利率水平成反比。简单说,利率上升,未来一美元的现值就会下降。
First, interest rates affect the value of everything. Investing consists of putting out money today in order to get more back at a later date. The "discounted present value" of the projected future proceeds varies inversely with the current level of interest rates. Simply put, when rates rise, the present value of a future dollar declines.
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利率影响面广的另一个原因在于,正如西德·科特尔(就是格雷厄姆、多德与科特尔那本书里的科特尔)曾告诉我的,“投资是一门相对选择的学问。”也就是说,某项资产的吸引力,一部分取决于另一项资产的价格。如果债券变便宜,未来回报率因此提高,那么股票(或其他任何资产)在原有价格下就会显得相对缺乏吸引力,股票价格也必须随之下跌,才能让它们的未来回报率重新对债券构成竞争力。
Another reason the impact of rates is broad stems from the fact that, as I was once told by sid Cottle (of Graham, Dodd and Cottle fame), "Investing is the discipline of relative selection." That is, the attractiveness of x is in part a function of the price of y. If bonds cheapen and thus come to promise higher prospective returns, stocks (or any other asset) will appear relatively less attractive at their old prices and thus must cheapen as well in order for their prospective returns to regain competitiveness versus those of bonds.
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而且,过去的情况是,例如,美国人根据美国的经济动态来决定美国股票的价格,而欧洲人则根据欧洲的动态来决定欧洲股票的价格。那时,这些是本地市场,它们的表现各不相同。如今,投资更加全球化,不同国家资产的价格由许多相同的人决定,他们可能对基本面和心理因素做出共同反应。
Further, it used to be, for example, that Americans determined the prices of U.S. stocks based on U.S. economic developments and Europeans determined the prices of European stocks based on European developments. These were local markets then, and they behaved differently. Today, investing is more globalized, and the prices of assets in different countries are determined by many of the same people, who may respond in common to fundamentals and psychology.
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许多资产之所以同涨同跌,还有最后一个原因:在这个特殊的时期里,许多对冲基金经理(正如我们稍后要讨论的,他们似乎对近期的市场事件产生了不成比例的影响)因资本规模扩大,被迫积极投资于跨越国界的宏观趋势。这一小群异常活跃的投资者,或许把各个市场之间的联系拉得过紧了。
The last reason many assets have moved together is that in this particular episode, many hedge funds managers (who, as we will discuss later, appear to have had a disproportionate impact on recent events) were forced by their increased capital to invest aggressively in macro-trends spanning national borders. This small group of hyper-active investors may have hooked markets up to an unusual degree.
基于这些原因以及其他因素,资产价格之间的关联度可能会比人们原先预想的更为紧密。
For these reasons and others, asset prices may prove more highly interconnected than one had expected.
1994 年橡树资本管理公司(Oaktree Capital Management, L.P.)
1994 Oaktree Capital Management, L.P.
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近期市场调整中最引人注目的特点,或许是一些知名对冲基金经理的表现。据 2 月 25 日报道,乔治·索罗斯的量子基金因其日元头寸一日之内损失了 6 亿美元。4 月 1 日,我们读到了迈克尔·斯坦哈特管理的 50 亿美元资产中亏损了 10 亿美元,主要原因是债券价格下跌;而在过去两个月里,阿斯金资本管理公司旗下花岗岩基金的投资者,可能因抵押贷款支持证券损失了其 6 亿美元本金的 100%。
对冲基金在我们 2 月 17 日的备忘录中占据了重要篇幅,因为我们认为它们是投资者整体风险承受行为的一个极端缩影(放大了十倍)。因此,它们后续的经历可以为我们提供一些宝贵且高度放大的洞见。以下重要观察适用于所有投资行为:
The most noteworthy feature of the recent correction may be the role of some prominent hedge fund managers. It was reported on February 25 that George Soros's Quantum Fund had lost $600 million on its yen position in one day. On April 1, we read that Michael Steinhardt had lost $1 billion of his $5 billion under management, due largely to the drop in bond prices, and that in the last two months, investors in Askin Capital Management's Granite Funds may have lost 100% of their $600 million capital in mortgage backed securities. Hedge funds occupied a meaningful part of our February 17 memo because they were felt to exemplify (to a power of ten) the risk-tolerant behavior of investors in general. Thus their subsequent experience can offer us some valuable and highly magnified insights. The important observations, applicable to all investment behavior, are as follows: -
文字本身毫无意义。就像“投资组合保险”在 1987 年崩盘时证明没保多少险一样,今天令人震惊的亏损表明,许多“对冲基金”确实没有对冲到位,起不了作用,而自称“市场中性”的 Granite 基金,则完全不是那么回事。
Words alone mean very little. Just as "portfolio insurance" turned out in the 1987 Crash not to insure much, today's startling losses indicate that many "hedge funds" don't really hedge enough to make a difference, and that the Granite Fund, which described itself as "market neutral," was anything but.
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承接上文,我们更加确信一个看法:有些投资者根本不清楚自己的经理人在做什么,也不了解他们承担了多大风险。一家曾投资于花岗岩基金的“基金的基金”向《华尔街日报》抱怨道:“简直难以置信。这被吹嘘成低风险、低波动、市场中性投资。我们显然被误导了。”唯有真正了解经理人的所作所为,才能确信他适合你,但这往往归结于经理人是否确实理解自己的市场、能否准确描述它、并说到做到——这些是营销手册上看不出来的。
Following from the above, we are reinforced in the belief that some investors don't know what their managers are doing, or how much risk they're taking. As one "fund of funds" which had invested in the Granite Fund told the Wall Street Journal, "It's unbelievable. This was touted as a low-risk, lowvolatility, market-neutral investment. We were clearly misled." Only by really knowing what a manager does can you be sure he is right for you, but this often comes down to whether the manager truly understands his market, describes it accurately and does what he says he will -- things that can't be assessed from a marketing brochure.
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投资策略实为双刃剑,靠激进策略生存者,往往也因激进策略而亡。当波动向上时,它被称作“利润”,投资者因此可能变得过于安于波动;而当波动转为向下时,就不那么好受了,但这是同一枚硬币的另一面。
Investment strategy really is a two-edged sword, and he who lives by an aggressive strategy usually can die by it. It proved possible for investors to become too comfortable with volatility -- when it was on the upside and called "profit." Volatility is a lot less enjoyable when it turns to the downside, but it's the flip side of the same coin.
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威廉·西蒙父子公司的简·格里尔指出,一旦涉及激励费,结果实际上可能比对称情况更糟。原因在于,尽管对冲基金经理拿走了去年巨额利润的 20%,但他们不会用同样比例的资金来弥补后续的亏损。通常情况下,由于数学上的特殊性,如果投资组合一年上涨 50%,下一年下跌 33%,它就会回到起点。但如果基金经理在头一年拿走了 50% 收益的五分之一,那么第二年 33% 的跌幅将使组合净值低于水位线 7%。
The outcome can actually be worse than symmetrical when incentive fees are involved, as Jan Greer of William Simon & Sons points out. That's because while hedge fund managers took 20% of last year's big profits, they won't replace a like percentage of subsequent losses. Usually, due to the peculiarities of the math, if a portfolio is up 50% one year and down 33% the next, it's back to where it started. But if the manager takes a fifth of the 50% gain in year 1, a 33% decline in year 2 will leave it 7% under water.
1994 年,橡树资本管理有限合伙公司(Oaktree Capital Management, L.P.)
1994 Oaktree Capital Management, L.P.
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All Rights Reserved
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数年前,有位经验丰富的企业董事对《财富》杂志说:“我不再指望人们按我说的去做;我学到的是,他们只会做我付钱让他们做的事。”然而,对冲基金经理可能拿自己的声誉和部分资本冒险,但在收费上,他处于“赢了归我,输了归你”的位置。对于按年度利润百分比提取报酬的经理来说,只要在恰当的时机激进投资一年,就足以让他终身富裕。因此,只有当经理确实能被指望带来显著价值,且这种价值不伴随相应风险时,才应委托给他激励性收费安排。
As an experienced corporate director told Forbes a few years ago, "I no longer expect people to do what I tell them to do; I've learned they only do what I pay them to do." But while a hedge fund manager may have his reputation and some capital at stake, as to fees he is in a heads-we-win-tails-you-lose position. For a manager who is paid a percentage of the profits on a one-yearat-a-time basis, a single year of investing aggressively enough at the right time can make him rich for life. Thus managers should be entrusted with incentive fee arrangements only if they can truly be counted on to add significant value which is not accompanied by proportionate risk. U
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波动性加上杠杆,等于炸药。直到现在,我们才看到文章指出(事后诸葛)——如果一家对冲基金借短买长,买入收益率 6% 的长期国债,那么债券收益率上升 1%,就会把这笔头寸的权益本金全部清零。
Volatility + leverage = dynamite. Only now do we see articles pointing out (after the fact) that if a hedge fund borrows short to buy long Treasury bonds with 6% "down," a 1% rise in the bonds' yield will wipe out 100% of the equity in the position.
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用保证金买入的波动性证券,下跌时如果投资者拿不出更多资金,可能被迫卖出。这正是花岗岩基金垮掉的一大原因。如果不借钱持有证券,你可能会经历价格下跌——但愿只是暂时的——但不会被赶出局。
When volatile securities have been bought on margin, sale may be forced if the investor can't come up with more capital during a decline. This is a big part of what put the Granite Fund under. If you own securities without borrowing, you may experience a price drop -- which will hopefully prove temporary -- but you can't be put out of the game.
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许多低效市场的一个共同特征,就是流动性在一定程度上有所欠缺。因此,当市场陷入混乱,抛售被逼进行时——无论是源于追加保证金通知、客户撤资,还是恐慌情绪——这些抛售都可能加剧或助长市场的下跌。在这种环境下,管理者往往只能选择变现那些质地最优、流动性最好的持仓。这样一来,被迫的抛售很容易导致投资组合质量的恶化。当花岗岩基金收到追加保证金通知时,其管理者只能为那些在利率上升时表现良好的证券争取到合理的报价。出售这些证券,基金便失去了对冲保护。
One characteristic of many inefficient markets is some measure of illiquidity. Thus when sales are forced in a chaotic market -- whether by margin calls, client withdrawals or cold feet -- they can have the effect of contributing to or exacerbating the decline. Often in this environment, the manager's choices for liquidation will be limited to his highest quality and most marketable holdings. In this way, forced sales can easily contribute to a deterioration of portfolio quality. When the Granite Fund received margin calls, its manager could only get reasonable bids for securities which perform well when rates rise. Selling them cost the fund its hedge.
这两年引人注目的几家大型对冲基金——1993 年风光无限,今年却黯然失色——都是资产达数十亿美元的实体。由于体量庞大,它们往往不再投资于当初成就其业绩的低估值微型机会,而是转投全球各地的宏观现象。因此,它们为我们提供了一个重要的反面教材。
这些基金由追求高回报的经理人运作,他们通过在大市场中运用高杠杆、因而波动剧烈的头寸来博取收益,其中有些市场(比如国债市场)相对有效。从这个意义上说,它们的做法与我们信奉的理念截然相反。
我们的方法强调在低风险前提下利用无效市场,而非在有效市场中激进投资。我们只进入自己能够比别的投资者知道更多的市场。我们把避免亏损放在追求利润之前,而且从不寻求使用杠杆。
The prominent hedge funds that attracted the recent attention -- favorable in 1993 and less so this year -- are multi-billion-dollar entities which, because of their size, often invest not in the undervalued micro-situations on which their early records were built, but in macro-phenomena all around the world. Thus they provide an important object lesson to which we want to point. These funds are run by managers who pursue aggressive returns through the use of highly leveraged and thus volatile positions in large markets, some of which, such as Treasury bonds, are relatively efficient. In this sense, they represent the opposite of what we espouse. Our approach emphasizes the low-risk exploitation of inefficient markets, as opposed to aggressive investment in efficient ones. We restrict ourselves to markets where it is possible to know more than other investors. We put avoiding losses ahead of the pursuit of profits. And we do not seek to employ leverage.
1994 年,橡树资本管理有限合伙公司(Oaktree Capital Management, L.P.)
1994 Oaktree Capital Management, L.P.
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All Rights Reserved
无效市场必然伴随着流动性不足和偶发的波动,但我们认为,在这种市场中,无杠杆且专业的投资,为有耐心的投资者提供了一条通往高回报的最佳路径,而无需承担相应的高风险。同时,我们也认为,那些能够冷静观察的投资者,可以从当前这一轮经历中学到一些宝贵的教训。我们期待与你们一同学习。
Inefficient markets must by definition entail illiquidity and occasional volatility, but we feel unleveraged and expert investment in them offers investors with staying power the best route to high returns without commensurately high risk. And we also feel investors who are capable of observing clinically can learn some valuable lessons from the current episode. We look forward to learning along with you.
April 11, 1994
April 11, 1994
1994 年 橡树资本管理有限合伙公司
1994 Oaktree Capital Management, L.P.
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保留所有权利
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To:
To:
Clients
Clients
From:
From:
Howard Marks
Howard Marks
Date:
Date:
July 15, 1994
July 15, 1994
Subject:
Subject:
“低效市场是怎么形成的?”
"How Does an Inefficient Market Get That Way?"
在有效市场中,聪明、知情、勤勉且客观的投资者所采取的行动,会使资产依据可得信息得到公允定价,从而其预期回报与所承担的风险相匹配。市场无便宜可占,想要提高预期收益,唯一的办法就是承担更多风险。
但在无效市场中,这一过程就会失灵。有效市场的前提条件未能完全满足,价格因而能够偏离其“应有”的水平。有些资产被高估,另一些则被低估。盈利可以靠运用技巧获得,而不只是靠承担风险。持续取得超越风险调整后的优异回报成为可能。
可市场怎么会变成这样?可能的原因有很多。也许多数投资者忽略了某个市场角落,因为它鲜为人知。也许信息匮乏或传播不均。市场基础设施可能不完善,交易困难把投资者吓跑了。也许没有交易报告机制,卖家甲不知道几分钟前卖家乙成交了什么价,只好低价出手。可能的原因不一而足,但我们自己最看重的一条是:投资者做不到客观冷静地行事。
有效市场必定不带偏见。也就是说,参与者必须只受经济动机驱动,愿意根据价格选择买入或卖出。如果每个持有者都想(或不得不)卖出某种商品,而且无论价格跌到多低都不肯成为买家,那么该商品的价格就可能跌到“公允”水平之下,便宜货也就随之出现。反过来,当人人都想持有某样东西时,价格又可能涨得过高……无论是郁金香球茎、南海珍珠,还是漂亮五十股票,概莫能外。
这就把我们带到了高收益债券市场,在我们看来,这个市场依然明显无效。高收益债券继续提供比“无风险”国债高出 350 至 400 个基点的收益率,用以补偿每年因信用问题损失 50 至 150 个基点的风险。而且,在固定收益领域的几乎每一个主要板块中,高收益债券到目前为止的历史业绩表现都是最好的。人们自然会认为这些事实会吸引买家进场,推高价格。
1984 年,我曾确信这个市场会在五年内变得有效。但十年过去了,它并没有做到,尽管历史回报和预期回报都很高。为什么没有足够多的买家站出来,消除过高的风险溢价,让这些债券定价回归公允,从而纠正市场的无效性呢?
In an efficient market, the actions of intelligent, informed, diligent and objective investors cause assets to be priced fairly based on the available information such that their prospective returns are in proportion to their risk. No bargains are available, and the only way to increase expected return is to take on more risk. But in an inefficient market, this process breaks down. The prerequisites for efficiency are not fully satisfied, and thus prices are able to diverge from what they "should" be. Some assets become overpriced and others underpriced. Profits can be earned by applying skill, not just for bearing risk. It becomes possible to consistently achieve superior risk-adjusted returns. But how does a market get that way? There are many possible reasons. Maybe most investors ignore the market niche because it is little known. Perhaps information is skimpy or unevenly disseminated. Market infrastructure may be under-developed, so trading difficulties scare investors away. Maybe there's no trade reporting, so Seller A doesn't know what B got just a few minutes earlier and settles for less. The list of possible reasons goes on and on, but we have our own favorite: Investors fail to act objectively and dispassionately. An efficient market must be unbiased. That is, the participants must be motivated just by economics and willing to either buy or sell depending on price. If every owner wants to (or must) sell a given good and won't become a buyer no matter how low the price goes, the price of that good can fall below the "fair" level and it will become possible to find bargains. Conversely, prices can go too high when everyone wants to own something . . . whether it's tulip bulbs, South Sea pearls or nifty-fifty stocks. And that brings us to the high yield bond market which remains, in our opinion, decidedly inefficient. High yield bonds continue to offer 350-400 basis points more yield than "riskless" Treasury bonds to compensate for the risk of losing 50-150 basis points per year to credit problems. And high yield bonds have the best performance record of any major sector of the fixed income universe for virtually every period through today. One would certainly expect these facts to attract buyers and raise prices. In 1984, I was sure this market would become efficient in five years. But it hasn't done so ten years later, despite the high historic and prospective returns. Why haven't enough buyers stepped forward to eliminate the excessive risk premium, render these bonds fairly priced and correct the inefficiency?
1994 年 橡树资本管理有限合伙公司
1994 Oaktree Capital Management, L.P.
版权所有,保留所有权利。
All Rights Reserved
我们的看法很简单:投资者仍然带着不公正的偏见对待高收益债券。当然,不是所有投资者都这样,但足以构成买方市场的重量级玩家不在少数,这就把机会倾斜给了那些愿意参与的人。
你可能会说,拿证据来?这份备忘录的起因,是《养老金与投资》杂志上的一篇文章,报道了咨询公司 SEI 的建议——养老金计划发起人应将固定收益投资组合的 10% 至 30% 配置到高收益债券上。读完那篇文章,我的反应是:这对我们这个市场领域是一篇极佳的推销稿——不只是 SEI 的建议本身,更在于文章所揭示的投资者心态。
据这篇文章说,SEI 认为“计划发起人将固定收益投资组合的 10% 配置到高收益债券(或称垃圾债券),可以在不增加风险的情况下增加约 20 个基点的回报。”而且这是在 SEI“尽量采用保守假设”之后得出的结论。
我被说服了!但文章接着展示了市场如何对一个资产类别抱有偏见:
……高收益被视为增加多元化的途径,但客户并不买账。“我们的客户中主动选择使用这类工具的并不多……有些客户干脆就不想让它们出现在投资组合里。”(Callan 咨询)
由于 1990 年前后高收益债券引发的负面舆论,计划发起人要么对投资这类债券心存警惕,要么害怕与之沾上关系。(《养老金与投资》)
一些计划发起人可能受制于计划指引,只能投资投资级证券……另一些发起人则对垃圾债券心怀戒备,因为 1989 年和 1990 年市场的崩溃广为人知,而且这类证券与迈克尔·米尔肯以及现已倒闭的德崇证券沾边。(SEI)
如果我们要担心崩盘,我希望担心的是前方逼近的那一场,而不是五年前已经发生的那一场。过去崩盘过的资产类别,如今多半价格低廉,而不是正处在人气顶峰、随时可能掉头向下。
但太多投资者开车时只看后视镜。正如我以前工作的地方有人对客户说过的那样,“我们在买石油股;它们对我们一直不错。”我们更愿意买那些表现糟糕、或饱受偏见而因此便宜的资产。我们坚信高收益债券今天正符合这一标准,也很乐意就它们或其他领域的投资机会展开进一步讨论。
The answer, we feel, is simple: investors continue to be unfairly prejudiced against them. Not every investor, clearly, but enough big players to create a buyers' market and tilt the opportunity in favor of those who are willing to participate. Prove it, you say? Well, this memo was occasioned by an article in "Pensions & Investments" reporting consultant SEI's recommendation that pension plan sponsors invest 10% to 30% of their fixed income portfolios in high yield bonds. As I went through the article, my reaction was that it was a great selling piece for our market sector -- not just SEI's recommendation, but what the article demonstrated about investor attitudes. According to the article, SEI feels "a sponsor could add about 20 basis points of return without adding risk by putting 10% of its fixed income portfolio in high yield, or junk, bonds." And that's after SEI "tried to be as conservative as possible in its assumptions." I'm sold! But the article goes on to show how a market can be biased against an asset class: . . . High yield is perceived as a way to add diversification, but is not wellreceived by clients. "Not a lot of our clients are opting to use them . . . . We work with some clients who just plain don't want them in their portfolio." (Callan) Because of the negative publicity surrounding high yield bonds around the turn of the decade, plan sponsors either are wary of investing in them, or are afraid of being associated with them. (Pensions & Investments) Some plan sponsors may be limited by plan guidelines to investment-grade securities, . . . Other sponsors may be wary of junk bonds because of the market's well-publicized collapse in 1989 and 1990, and the securities' association with Michael Milken and the now-defunct bond house Drexel Burnham Lambert. (SEI) If we're going to worry about a collapse, I hope it'll be one looming ahead, not one which occurred five years ago. The asset class that collapsed in the past is likely to be cheap, not to be riding a crest of popularity and thus heading for a fall. But too many investors drive looking in the rear-view mirror. As someone at my former place of employment once told clients, "We're buying the oils; they've been good to us." We'd rather buy what has performed badly or is the subject of negative bias and thus is cheap. We feel strongly that high yield bonds qualify today, and we'd be glad to talk more about them, or about the opportunities in other areas.
2000 年 11 月,橡树资本管理有限合伙公司
1994 Oaktree Capital Management, L.P.
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