夏日随笔

2010 · 书信 · 原文约 9795 词
译文与英文原文逐段对齐可在本页展开英文,也可打开发布者原址核对上下文。
打开来源正文

GMO 季度信函 2010 年 7 月 夏季文集 1 投资组合展望与建议 - 第 1 页 2 金融走向流氓(但沃尔克赢了一轮!)- 第 3 页 3 充满恐惧与投机的市场 - 第 4 页 杰里米·格兰瑟姆 4 5 分钟了解全球变暖的一切 - 第 7 页 5 “七年歉收”再审视 - 第 9 页 6 人口老龄化、养老金与医疗成本 - 第 11 页 投资组合展望与建议 好吧,至少对我来说,我或多或少愿意代表通货膨胀认输。至少在不远的将来,它的对手——身穿蓝色短裤的通货紧缩——已经靠点数取胜。即使大宗商品价格间歇性上涨(这看起来很有可能),但在我看来,疲软的工资和疲弱的需求带来的价格下行压力,目前才是重要得多的因素。即便在三个月前,我还像我的同事本·英克所说的那样,努力在“胀”的问题上保持中立。和许多人一样,我也被货币供应量可能大幅增长的前景迷住了,因为政府为救助计划发行了巨额债务。但现在,迟到总比不到好,我愿意选边站了:由于贷款供给疲弱且贷款需求也相当疲弱,货币流通速度已经放缓,通货膨胀似乎还很遥远。突然间(对我来说),显而易见的是,疲弱的经济以及价格下跌或持平,才是近期未来的前景。

GMO QUARTERLY LETTER July 2010 Summer Essays 1 Portfolio Outlook and Recommendations - Page 1 2 Finance Goes Rogue (But Volcker Wins a Round!) - Page 3 3 The Fearful, Speculative Market - Page 4 Jeremy Grantham 4 Everything You Need to Know About Global Warming in 5 Minutes - Page 7 5 “Seven Lean Years” Revisited - Page 9 6 Aging Populations, Pensions, and Health Costs - Page 11 Portfolio Outlook and Recommendations Well, I, for one, am more or less willing to throw in the towel on behalf of Inflation. For the near future at least, his adversary in the blue trunks, Deflation, has won on points. Even if we get intermittently rising commodity prices, which seems quite likely, the downward pressure on prices from weak wages and weak demand seems to me now to be much the larger factor. Even three months ago, I was studiously trying to stay neutral on the “flation” issue, as my colleague Ben Inker calls it. I, like many, was mesmerized by the potential for money supply to increase dramatically, given the floods of government debt used in the bailout. But now, better late than never, I am willing to take sides: with weak loan supply and fairly weak loan demand, the velocity of money has slowed, and inflation seems a distant prospect. Suddenly (for me), it is fairly clear that a weak economy and declining or flat prices are the prospect for the immediate future.

令人担忧的消息是,以德国为首(这次毫不意外)的大多数欧洲国家,其做法更像胡佛而非凯恩斯。更令人惊讶的是,英国和半数美国国会议员似乎也同情这一趋势,即强调削减政府债务而非经济刺激。然而,尽管此前有巨大的刺激措施,但在经历了相对强劲的初步复苏之后,大多数发达经济体的增长率已经开始放缓。你不需要成为凯恩斯的狂热追随者也能意识到,在这个时候迅速削减赤字,至少是在与严重的经济衰退调情。我们都可以同意,我们经历了一场金融危机、资产价值下跌和经济衰退,这三者都是全球性的(尽管集中在发达国家),并且都是自大萧条以来最糟糕的。如果没有历史上最大规模的政府援助(同样是全球性的),这三者注定会跌入更深的深渊。然而,尽管有这些帮助,经济复苏也只是差强人意,这与股市的复苏不同——股市的复苏是轰动性的,并且,与经常发生的情况一样,与基本面复苏不成比例。但在过去三个月里,在发达国家中几乎普遍出现了一个令人不安的现象:经济复苏的步伐正在放缓。(也许加拿大和澳大利亚独自看起来还不错,依靠原材料支撑,并且房地产泡沫到目前为止尚未破裂。)

The worrying news is that most European countries, led by Germany (not surprisingly in this case), are coming on more like Hoover than Keynes. More surprisingly, Britain and half of the U.S. Congress are acting sympathetically to that trend, which is to emphasize government debt reduction over economic stimulus. Yet, after a relatively strong initial recovery, the growth rates of most developed economies are already slowing, despite the immense previous stimulus. You don’t have to be a passionate follower of Keynes to realize that to rapidly reduce deficits at this point is at least to flirt with a severe economic decline. We can all agree that we had a financial crisis, a drop in asset values, and an economic decline, all three of which were global (although centered in the developed countries), and all three of which were the worst since the Great Depression. All three were destined to head a whole lot deeper into the pit without the greatest governmental help in history, also global. Yet despite this help, the economic recovery was merely adequate, unlike the stock market recovery, which was sensational and, as often happens, disproportionate to the fundamental recovery. But in the last three months, more or less universally in the developed world, there has been a disturbing slackening in the rate of economic recovery. (Perhaps Canada and Australia on their own look okay, propped up by raw materials and, so far, un-popped housing bubbles.)

我仍然坚持我在 2009 年 4 月提出的观点,即市场会出现“最后的狂欢”,心理上受到实质性经济复苏的支撑,但在此之后,大约一年左右,将会过渡到一个漫长而困难的时期,我称之为“七年歉收”。不过,我曾经以为,经济反射性复苏——在政府向所有人的收入表注入海量援助的情况下,它怎么可能不反弹呢?——会持续更长时间,或者至少不会像我们过去几周看到的那样迅速放缓。而欧洲(或许还有我们美国)出乎意料的强大财政保守主义,使得这种放缓看起来简直令人恐惧。我意识到,在这一点上我与克鲁格曼看法一致,但偶尔与他保持一致,我也能接受。然而,我只是感到恐惧,而他在谈论另一场“大萧条”。

I am still committed to my idea of April 2009 that there would be a “last hurrah” of the market, supported psychologically by a substantial economic recovery but then, after a year or so, that this would be followed by a transition into a long, difficult period that I called the “seven lean years.” I had, though, supposed that the economic reflex recovery – how could it not bounce with that flood of governmental help to everyone’s top line? – would last longer or at least not slow down as fast as we have seen in the last few weeks. And with unexpectedly strong fiscal conservatism from Europe and perhaps from us, this slowdown looks downright frightening. I recognize that in this I agree with Krugman, but I can live with that once in a while. However, where I am merely fearful, he is talking about another “Depression.”

不过,在 GMO,我们的资产配置投资组合只是在这些非量化考量的边缘受到一些影响。它们的力量来自我们常规的七年预测。如今,这一预测(见表 1)表明,有可能构建一个全球股票投资组合,其预期回报率略高于包含通胀的 6% 左右的正常水平。根据我们的预测,这可以通过超配美国高质量股票并低配其他美国股票来实现。在一个固定收益资产极度缺乏吸引力的时期,这毫不奇怪地导致我们的账户在全球股票仓位上仅低配了几个百分点,而随着发达国家经济增长放缓,这种情况突然有点令人紧张。多一点备用弹药(dry powder)似乎比几周前更明智,但话说回来,价格已经便宜了 13%。我后悔没有早几周看清这一点。在态度变化的速度上与市场和普遍观点保持一致,既令人沮丧又无利可图。但即便全球股市接近合理价格,我也会在边际上倾向于谨慎。让我再提供一些细节:紧随美国高质量股票(七年实际回报率 7.3%)之后的是我长期偏爱的新兴市场股票(6.6%)。这已经高于我们假设的 6.2% 的长期均衡回报率。此外,我坚信,新兴市场股票相对于发达市场股票的市盈率最终会获得溢价,超过 15%,甚至可能更高,这一信念仍然坚定。新兴市场的基本面也继续让我们的基本面相形见绌。EAFE 股票(4.9%)有点贵(6% 或 7%),但作为全球股票投资组合的填充物还算体面。在我看来,如果情况好转,林业仍然是一个良好的分散化工具;如果通胀意外失控,它是极佳的价值储存手段;如果经济崩溃,它则是历史上出色的防御性投资。否则,我讨厌它。

At GMO, our asset allocation portfolios, however, are merely informed on the margin by these non-quantitative considerations. They draw their strength from our regular seven-year forecast. Today this forecast (see Exhibit 1) suggests that it is possible to build a global equity portfolio with just over the normal imputed return of around 6% plus inflation. With our forecast, this can be done by overweighting U.S. high quality stocks and staying very light on other U.S. stocks. At a time when fixed income is desperately unappealing, this, not surprisingly, results in our accounts being just a few points underweight in their global equity position, which is suddenly a little nerve-wracking as the growth of developed countries slows down. A little more dry powder suddenly seems better than it did a few weeks ago, but then again, prices are 13% cheaper. I regret not having seen the light a few weeks earlier. Running at the same rate of change in attitude as both the market and general opinion is both frustrating and unprofitable. But even as global equities approach reasonable prices, I would err on the side of caution on the margin. Let me give a few more details: just behind U.S. high quality stocks, at 7.3% real on a seven-year horizon, is my long-time favorite, emerging market equities at 6.6%. This is now above our assumed 6.2% long-term equilibrium return. Additionally, my faith in an eventual decent P/E premium over developed equities exceeding 15%, perhaps by a lot, is intact. Emerging equities’ fundamentals also continue to run circles around ours. EAFE equities at 4.9% are a little expensive (6% or 7%) but make a respectable filler for a global equity portfolio. Forestry remains, in my opinion, a good diversifier if times turn out well, a brilliant store of value should inflation unexpectedly run away, and a historically excellent defensive investment should the economy unravel. Otherwise, I hate it.

表 1 GMO 7 年资产类别回报率预测* 截至 2010 年 6 月 30 日 股票 债券 其他 8% 7.3% 6.6% 6.5% 长期历史美国股票回报率 6.0% 6% 7 年实际年化回报率 4.9% 4% 2.9% 2.9% 2.2% 2% 1.1% 0.5% 0.1% 0% -0.4% -0.8% -2% 美国 美国 美国 国际 国际 股票 美国 国际 债券 债券 债券 美国 管理型 股票 股票 高质量 股票 股票 (新兴市场) (国债) (国债) (新兴市场) (通胀 木材 (大盘股) (小盘股) 股票 (大盘股) (小盘股) 挂钩国债) (30 天至 2 年)

Exhibit 1 GMO 7-Year Asset Class Return Forecasts* As of June 30, 2010 Stocks Bonds Other 8% 7.3% 6.6% 6.5% Long-term Historical U.S. Equity Return 6.0% 6% Annual Real Return Over 7 Years 4.9% 4% 2.9% 2.9% 2.2% 2% 1.1% 0.5% 0.1% 0% -0.4% -0.8% -2% U.S. U.S. U.S. High Int'l. Int'l. Equities U.S. Bonds Int'l. Bonds Bonds Bonds U.S. Managed equities equities Quality equities equities (emerging) (gov't.) (gov't.) (emerging) (inflation treasury Timber (large cap) (small cap) (large cap) (small cap) indexed) (30 days to 2 yrs.)

7 年化回报率预计区间 ±6.5 ±7.0 ±6.0 ±6.5 ±7.0 ±10.5 ±4.0 ±4.0 ±8.5 ±1.5 ±1.5 ±5.5 *该图表代表几种资产类别的实际回报率预测¹。这些预测是基于 GMO 合理信念的前瞻性陈述,并非对未来业绩的保证。实际结果可能与上述预测存在重大差异。¹ 长期通胀假设:每年 2.5%。

Estimated Range of 7-Year Annualized Returns ±6.5 ±7.0 ±6.0 ±6.5 ±7.0 ±10.5 ±4.0 ±4.0 ±8.5 ±1.5 ±1.5 ±5.5 *The chart represents real return forecasts1 for several asset classes. These forecasts are forward-looking statements based upon the reasonable beliefs of GMO and are not a guarantee of future performance. Actual results may differ materially from the forecasts above. 1 Long-term inflation assumption: 2.5% per year.

来源:GMO GMO 2 夏季文集 – 2010 年 7 月 其他建议 这些天,若非必要,不要在林间行走。到了九月份,等医生的假期结束再生病。《龙文身的女孩》确实像人们说的那样易读,电影甚至更好。康沃尔的《沙普》系列是有史以来最容易读的书,也是了解拿破仑时代历史的一种轻松方式。《战争与和平》是最自我放纵、最冗长乏味的作品。不过,里面隐藏着一部 600 页的伟大小说。我的 Kindle 上点击了 4300 次!祝您夏天愉快!

Source: GMO GMO 2 Summer Essays – July 2010 Other Advice Don’t walk in the woods any more than you have to these days. Don’t get sick until September, when medical practitioners’ vacations end. The Girl with the Dragon Tattoo really is as readable as they say, and the movie is even better. The Sharpe series by Cornwell is the easiest read ever and a painless way to pick up some Napoleonic history. War and Peace is the most self-indulgent, overwritten work ever. There is, though, a great 600-page novel lurking inside it. 4,300 clicks on my Kindle! Have a good summer!

更正 我在上一季度的信中提到,瑞银在 2000 年牛市顶峰时解雇了无可估量的加里·布林森。这一说法后来被证明是不正确的,加里并没有被解雇。他本人和瑞银早在相当一段时间前,就因各种个人及其他原因同意了他的退出。没有任何负面含义是针对加里的。恰恰相反。在我看来,为了一个好的理由而坚守立场而被解雇,始终是一种光荣的行为。我为此道歉。

Correction I mentioned in last quarter’s Letter that UBS had fired the inestimable Gary Brinson at the peak of the 2000 bull market. This turned out to be incorrect, as Gary was not fired. He and UBS had agreed to his withdrawal for a variety of personal and other reasons some considerable time earlier. No negatives were meant to be applied to Gary. Quite the reverse. Being fired for standing one’s ground for a good cause is always an honorable activity in my opinion. My apologies.

金融走向流氓(但沃尔克赢了一轮!)

Finance Goes Rogue (But Volcker Wins a Round!)

我在《经济学人》那场辩论中提出的观点是:1965 年金融服务业占 GDP 的 3%,这显然足以完成任务,证据就是那十年堪称 20 世纪最伟大的经济十年之一。因此,我们有理由怀疑,到 2007 年,金融服务业占 GDP 的比重扩大到惊人的 7.5%,多出来的那 4.5% 究竟带来了什么好处。这多出的 4.5% 除了让接受者受益之外,似乎没有实质价值。然而,这相当于对实体经济征收的一种税,每年会使其储蓄和投资能力减少 4.5%,而这两项确实都放缓了。这反过来最终会降低非金融部门的增长率,事实也的确如此:增长率从 1965 年以前的每年 3.5%,放缓到 1980 年至 2007 年间的 2.4%,这还是在危机爆发之前。这种臃肿的金融体系也越来越放松管制,并且日益以不惜一切代价追求利润和奖金为目标来运营。30 年前,海曼·明斯基就能告诉你,这迟早会保证引发一场重大的金融泡沫,并且在未来无限期的某个周期内反复出现。金融领域规模的这种不必要的膨胀,是资本主义自由市场体系可能功能失调的一个明显例子。我一直不怎么喜欢理性预期理论——即相信冷静、理性、精于计算的经济人;事实上,我认为这是经济学理论有史以来最重大的失败,这在很大程度上解释了为什么经济学家在警告我们即将到来的危机方面毫无用处(有几个值得尊敬的例外)。但如果他们的错误假设实际上是准确的,那世界会变得更好:只要信息自由流动、得到高效处理、并且在每笔交易双方都平等可得,我们确实会生活在一个更高效、或许也更美好的世界。问题是,金融业务中信息不对等是一个严重的问题。交易的一方,比如一家机构养老基金,往往受制于另一方,比如某家才华横溢且唯利是图的投资银行的交易自营部门。信息不对等的问题,又因为代理人与交易对手角色的混淆而雪上加霜。我成长于这样一个世界:客户交易股票和其他金融工具时,对代理人抱有高度信任。数百万美元的交易只凭一句话就成交,没有录音。不知从何时起,在没有正式宣布任何变化的情况下,交易中的“客户”变异成了可以被剥削的“交易对手”。渐渐地,代理人的行为越来越关注自己交易资本的回报,而不是客户的福祉。45 年来,我最糟糕的一次震惊是在 1985 年,有一天我意识到,在我们当时做的一笔早期程序化交易中,我们被当时最心仪的经纪商给坑了。我们本以为已经建立了一种信任关系。从我们的角度看,我们确实做了很多成功的激励交易。也许,事后看来,我们强有力的激励措施可能只是促使他们去坑骗其他客户。

My previous argument in the Economist debate* was that the 3% of GDP that was made up of financial services in 1965 was clearly sufficient to the task, the proof being that the decade was a strong candidate for the greatest economic decade of the 20th century. We should be suspicious, therefore, of the benefits derived from the extra 4.5% of the pie that went to pay for financial services by 2007, as the financial services share of GDP expanded to a remarkable 7.5%. This extra 4.5% would seem to be without material value except to the recipients. Yet it is a form of tax on the remaining real economy and should reduce by 4.5% a year its ability to save and invest, both of which did slow down. This, in turn, should eventually reduce the growth rate of the non-financial sector, which it indeed did: from 3.5% a year before 1965, this growth rate slowed to 2.4% between 1980 and 2007, even before the crisis. This bloated financial system was also increasingly deregulated and run with increasing regard for profit and bonus payments at all cost. Thirty years ago, Hyman Minsky could have told you that this would guarantee a major financial bubble sooner or later and at periodic intervals into the indefinite future. This unnecessary explosion in the size of the financial world has been a clear example of the potential for dysfunctionality in the capitalist free market system. I have not been a great fan of the theory of rational expectations – the belief in cold, rational, calculating homo sapiens; indeed, I believe it to be the greatest-ever failure of economic theory, which goes a long way toward explaining how completely useless economists were at warning us of the approaching crisis (with a half handful of honorable exceptions). But it would be a better world if their false assumptions were actually accurate ones: if only information flowed freely, were processed efficiently, and were available equally on both sides of every transaction, we would indeed live in a more efficient and probably better world. The problem that information is asymmetrical in the financial business is a serious one. One side of the transaction, say an institutional pension fund, is often at the mercy of the other, say the prop desk of a talented and mercilessly profit-oriented investment bank. The problem of asymmetrical information is compounded by the confusion between the roles of agent and counterparty. I grew up in a world where stocks and other financial instruments were traded by the client with a high degree of trust in the agent. Millions of dollars traded on a word, without a tape recording. Somewhere along the way, without any formal announcement of the change, the “client” in a trade mutated into a “counterparty” who could be exploited. Steadily along the way, the agents’ behavior became more concerned with the return on their own trading capital than with the well-being of their clients. One of my nastiest shocks in 45 years was the realization one day in 1985 that we had been ripped off by our then favorite broker on one of the early program trades we were doing. We had supposed we had developed a trusting relationship. We had certainly done many incentive trades that were successful from our point of view. Perhaps, with hindsight, our strong incentives might have merely motivated them to rip off some other client.

  • http://economistevents.pb.feedroom.com/economist/economistevents/oneclipgreen/player.html?fr_story=2f1833380e67f2003162128192dedd493ec291d0 夏季论文 – 2010 年 7 月 GMO 因此,激励支付中存在一种讽刺。例如,当机构将其利润的 20% 支付给一家对冲基金时,它们支付的很可能是一种市场决定的竞争性费率。但整个机构行业忽视的是,这是一个零和游戏。对冲基金赚取的所有利润都是从市场中以他人的代价榨取的,简单来说,就是另一个机构的代价。整个机构基金领域的一个部分,正在向一大群对冲基金经理支付报酬,让他们从总资金池的另一个部分中榨取收益,然后以一种近乎自相残食的方式分享这些收益。激励支付的设计方式,恰恰鼓励并最大化这种以他们自身集体利益为代价的收益榨取。一个机构支付费用,去鼓励另一个机构的损失,然后参与分赃。这种逻辑之所以能接受,仅仅是因为被一个合成谬误掩盖了:我们总是忘记我们就是市场本身,而所有成本都在削减我们的回报。
  • http://economistevents.pb.feedroom.com/economist/economistevents/oneclipgreen/player.html?fr_story=2f1833380e67f2003162128192dedd493ec291d0 Summer Essays – July 2010 3 GMO So there is an irony in incentive payments. When institutions, for example, pay 20% of their profits to a hedge fund, they are presumably paying a market-derived competitive rate. But what the institutional industry in total misses is that it is a zero-sum game. All of the profits the hedge fund makes are extracted from the market at someone’s expense, let us say, to oversimplify, another institution’s expense. One part of the collective institutional fund universe is paying a large group of hedge fund managers to squeeze gains out of another part of the total pot and then is sharing these gains in a rather cannibalistic way. The incentive payment is designed in a way that encourages and maximizes this extraction of gains at their own collective expense. One institution pays a fee to encourage another institution’s loss, and then participates in the loot. The logic is acceptable only because it is obscured by a fallacy of composition: we always forget that we are the market, and that all costs are a reduction in our returns.

好消息是,我们已接近某种版本的沃克尔规则。这是一个难得的机会,可以消除银行内部自营交易部门给我们机构投资者带来的一些利益冲突和成本。这些部门使用的杠杆倍数远高于独立对冲基金,却一直有纳税人的钱在背后撑腰。自营银行资本从定义上讲根本没有“客户”,它只是从市场中榨取资金,以牺牲机构世界为代价。如果我们现在不禁止这种活动,这些冲突就会困扰我们多年,给我们的集体利益造成巨大损害。我们绝不应低估金融游说团体削弱或移除法案重要条款的能力。甚至小小的庆祝也应该等到胖女士唱完歌再说。(我猜她比我早了一天。国会终于比我想象中行动得更快!据我 15 分钟内了解到的情况,沃克尔部分是一个巨大的进步,但法案的其余部分则内容温和且非常、非常复杂。我希望这一切是值得的。)

The good news is that we have come close to some version of the Volcker rule. It is a rare opportunity to do away with some of the conflicts and costs to our institutional investors that arise from prop desks within banks. They run multiples of the leverage used by free-standing hedge funds and yet they have been backed by taxpayers’ money. Proprietary bank capital knows no “clients” by definition, and simply extracts money from the market at the expense of the institutional world. If we do not ban this activity now we will be saddled with these conflicts for years, greatly to our collective detriment. And we should never ever underestimate the power of the financial lobby to soften or remove the important elements of the bill. Even minor celebrations should be delayed until the fat lady has sung. (I guess she beat me to the punch by one day. Finally, Congress worked more quickly than I expected! As far as I can tell in fifteen minutes, the Volcker component is a great step forward, but the rest of the bill is modest and very, very complicated. I hope it will be worth it.)

我们 25 年前那次交易的不幸也提醒了我另一点:我们行业这一方在将业务转移到更道德的机构、并对存在利益冲突或不道德的行为提出抗议方面,做得多么少。如果我们中有更多的人转移业务,我们或许就能减缓甚至阻止我们所经历的这 30 年利益冲突与不道德行为的滑坡。就我个人而言,我对自己行动之微不足道感到遗憾。我们本都可以做得更多。我们容忍了标准的严重下滑。我们真可耻。

Our trading misfortune of 25 years ago also reminds me of another point: how little our side of the industry did to move its business to the more ethical firms and to make a fuss about conflicted or unethical behavior. Had a number of us moved our business, we might have slowed or even stopped the 30-year slide in conflicted, unethical behavior that we have experienced. I, for one, regret the modest nature of our moves. We all could have done more. We have tolerated a pretty nasty decline in standards. Shame on us.

恐惧与投机并存的市场 上个季度,我使用了预测者的最后一招:我提出了市场和经济的三种主要可能路径。当时在我看来可能性最小的一种,尽管我给了它 30% 的概率,可以称之为潘格罗斯式路径——出自“在一切可能的世界中,一切都是最好的”那种哲学。在这种令人鼓舞的世界里,经济复苏将持续且显著地好于预期。简而言之,这将是在一次严重崩溃之后通常会出现的非常强劲的复苏,并且还得到了前所未有的刺激政策的助力。坦白说,我刻意慷慨地给出了这一概率,以防自己可能存在的看跌偏见。(不可想象!)然而,上个季度的情况对该路径一点儿也不乐观。今天看来,给它 25% 的概率都算慷慨了。

The Fearful, Speculative Market Last quarter, I engaged in the forecaster’s last resort: I suggested three main routes for the market and the economy. The least likely in my opinion now, although I gave it a 30% probability, was what one might call the Panglossian way – he of the “everything is for the best in the best of all possible worlds” philosophy. In this encouraging world, the economic recovery would be fairly consistently better than expected. It would be, in short, the type of very strong recovery that normally follows a very severe wipeout. And one that was additionally helped along by unprecedented stimulus. Frankly, I was being deliberately generous to guard against a possible bearish bias. (Inconceivable!) The last quarter, though, has not been encouraging for that route at all. Today a 25% probability would seem generous.

我猜测,主要的主题,或者像我称之为最小阻力路径(概率为 50%),将是一个勉强且不均衡地复苏的经济,伯南克肯定会在未来 18 个月或更长时间内将利率维持在极低水平。这些低利率,加上市场意识到伯南克领导的美联储显然属于格林斯潘看跌期权的老阵营,将创造出一个长期、稳定的借款和投机激励。这里的关键点是,经济对低利率反应迟钝——它还必须应对许多其他负面因素——而市场则以更持久的热情做出反应。在这样的世界里,激进的对冲基金(我这么说是不是有点多余?)可以轻易加杠杆,并且在追求利润的驱动下,它们会更加侧重于激进或更具投机性的投资。沿着这条路,我提出标准普尔 500 指数可能会一路回升到 1500 点或 1600 点,然后才会再次崩盘,而这一次将极其危险,因为政府的金库已经空了。我提出的最后一条路径(概率为 21%)是,在去年三月之后的六个月内,一长串潜在问题中的两三个会集中爆发,并将市场打下来,也许一路跌到公允价值,现在的公允价值大约在标准普尔 500 指数的 900 点左右,或者从高点下跌约 25%。我估计,单一重大负面因素可能不够,但两三个同时出现,或许就足以暴露投资者信心的脆弱。对于记录,任何六个月内出现 25% 的跌幅,其概率大约为 3%,所以这个估计意味着市场出现重大下跌的概率是其正常概率的 7 倍。好吧,我们现在看到的是两条分支之间的角力:一条是概率 50% 的持续投机,另一条是两三个因素出错并击垮信心的分支。这场斗争不同寻常,并且产生了你我之前都从未见过的市场效应。这个市场或许可以被称为恐惧与投机并存的市场。低利率,虽然往往会在机构投资者的激进一端引发一场贪婪的盛宴,但它在普通个人投资者心中产生的感觉介于沮丧和绝望之间。他们讨厌将资金以负实际回报率闲置在现金中,但调查显示,他们仍然对正常的股权投资感到彻底紧张。这些投资者不需要看到最近增长放缓和主权债务问题就已经感到紧张了。不过,如今激进的机构分量很重,它们的影响遍布整个市场。当利率低企、道德风险盛行时,它们不容易被吓倒。另一个关键组成部分是机构资金中保守的那一半,它们显然(我认为是合理地)对最近全球和美国经济的负面事件深感不安。因此,我猜测,目前的主要斗争是在机构业务中的这两派之间。让我们来看看这场斗争的一些症状。

I guessed that the major theme, the line of least resistance as I called it, with a 50% probability, would be a reluctantly and irregularly recovering economy in which Bernanke would be certain to keep rates at rock-bottom for the next 18 months or longer. These low rates, added to the market’s awareness that Bernanke’s Fed clearly belongs to the old Greenspan put camp, would create a long, steady incentive to borrow and speculate. The key point here is that the economy responds reluctantly to low rates – there are so many other negative factors it has to worry about – whereas the market responds with much more persistent enthusiasm. In such a world, aggressive hedge funds (is that redundant?) can leverage easily and, in their drive to make money, will emphasize more aggressive or more speculative investments. On this path, I suggested that the S&P could move all the way back to 1500 or 1600 before yet another bust, this time a spectacularly dangerous one because the government piggy bank would be empty. The final path I suggested (with a 21% probability) was that in the six months following last March, two or three of a long list of potential problems would come home to roost and would knock the market down, perhaps all the way down to fair value, which is now about 900 or so on the S&P 500, or about a 25% decline from the peak. I guessed GMO 4 Summer Essays – July 2010 that one major negative would not be enough, but that two or three simultaneously might be enough to expose the thinness of investor confidence. For the record, a 25% decline in any six-month period is about a 3% probability, so this estimate was suggesting that an important drop in the market was seven times its normal probability. Well, what we are seeing now is a tussle between the 50% sustained speculation branch and the branch where two or three things go wrong and crack confidence. This struggle is an unusual one, and has created market effects I have never seen before, and you have not either. This market might well be called a fearful, speculative market. Low rates, although they tend to produce a feeding frenzy at the aggressive end of institutional investors, merely produce a feeling in ordinary individual investors somewhere between dejection and desperation. They hate to park money in cash at negative real returns, and yet they are still thoroughly nervous, so surveys reveal, about normal equity investing. These investors did not need the recent slowing in growth and sovereign debt problems to become nervous. Aggressive institutions carry a lot of weight these days, though, and their influence can be felt all over the market. They are not easily intimidated when rates are low and moral hazard is in full swing. The other key component is the conservative half of institutional money that is apparently (and reasonably, I think) seriously disturbed by recent negative global and U.S. economic events. Thus, it is my guess that the main struggle these days is between these two wings of the institutional business. Let’s look at some of the symptoms of this struggle.

任何人只要对市场略知一二,都知道过去 30 年里,小盘股的贝塔值一贯颇高;也就是说,这类股票作为一个群体,其涨跌幅度大于蓝筹股。我们 GMO 知道,这个等式里还有另一个威力强大、却被严重且普遍低估的因子,那就是价值。举例来说,2000 年至 2002 年的市场暴跌期间,我们 GMO 对自己相当满意,原因有二:第一,我们非常看空股票;第二,对于必须持有的那些股票,我们非常看好小盘股。这一点比我所记得的任何事都更让客户感到困惑。但我们从历史中知道,价值是一个关键的调节变量,当小盘股定价正常时,它们确实会以接近 1.2 倍于市场的贝塔值下跌。当它们昂贵时,通常会被彻底打垮,相对跌幅高达 2.0 倍于市场;但当它们便宜时,则会跑赢。2000 年,小盘股处于史上最便宜的价位,尽管它们的贝塔值更高,基本面质量也更低,但它们的跌幅远小于标普 500 指数。(这对法玛和弗伦奇等人又是一记打击。)那么,这一次,从今年 3 月标普 500 指数约 1200 点的高位开始,小盘股不仅绝对价格昂贵,相对于标普 500 指数也同样昂贵。所以,这里有个小测验。在标普 500 指数一年中下跌 7.5% 的那些年份里,有多少次小盘股在开始下跌时比市场更贵,却还能跑赢?答案自 1981 年罗素 2000 指数推出以来是:从来没有。(在 1981 年之前,小盘股在机构世界里几乎不被接受,算不上一个单独的类别。由于不在雷达屏幕上,它们常常落后于市场,而且贝塔值不稳定,往往低于市场。)然而到 6 月 30 日,标普 500 指数下跌 7.5% 时,小盘股的表现只差了 5%!

Anyone who knows anything about the market knows that for the last 30 years, small cap stocks have had a pretty reliably high beta; that is, the group rises and falls in the market more than the blue chips. We at GMO know that there is another very powerful component in this equation, which is badly and widely underestimated, and that is value. For example, at GMO we were very pleased with ourselves in the 2000-02 market break because, first, we were very anti-stocks and, second, for those stocks we had to own, we were very pro small caps. This was more puzzling to our clients than anything I can remember. But we knew from history that value was a key modifier, and that when small cap stocks were normally priced, they indeed fell with a beta close to 1.2 times the market. When they were expensive, they had been typically annihilated, up to a relative decline of 2.0 times the market, but when they were cheap, they outperformed. In 2000, they were as cheap as they have ever been, and fell much less than the S&P despite their higher beta and lower fundamental quality, for that matter. (Yet another blow for Fama and French, et al.) Well, this time, starting from the S&P high of around 1200 in March this year, small caps were expensive, not only absolutely, but also relative to the S&P. So here is a quiz. How many times, when a year has reached a point where the S&P 500 is down 7.5%, have small caps outperformed when they began their decline more overpriced than the market? The answer, since the Russell 2000 index was introduced in 1981, is never. (Before 1981, small caps were barely acceptable in the institutional world, and did not really exist as a separate category. Because of being off the radar screen, they often lagged the market and delivered inconsistent betas, often lower than the market.) Yet by June 30, with the S&P down 7.5%, small caps were 5% less bad!

同样的效应,加上小盘股相对跑赢的 6% 到 7%,也适用于美国以外的发达国家,依据的是 EAFE 指数。从某种意义上说,这更加引人注目,因为几个月来新闻标题一直在打击那里的投资者信心。不过,这种打击主要集中在财务实力上。这种关注终于足以推动 EAFE 市场的高质量股票在去年低质量股票大放异彩之后,超越了低质量股票(记住,在我们的定义中,低负债是质量的组成部分)。但坏消息并未集中在小盘股上,因此有利于投机的潜在趋势仍在小盘股中胜出。小盘股与低质量股票之间的这种差异——两者都具有投机特征——可以看作是低利率与糟糕的财务及其他新闻之间斗争的前线。然而在美国,我们 GMO 就没那么幸运了,因为新闻标题虽然令人不安,却没有像在欧洲那样敲响同样可怕的战鼓,低质量股票继续取胜,小盘股也是如此,涨幅大致相当。那么,这就是美国迄今为止的结果:基本面日益恶化(尤其是 GDP 整体增长率放缓)、失业率居高不下、地方政府财政灾难性、来自欧洲的令人不安的消息——这些已足以将市场从高点拉低 13%,上半年下跌 7.5%,这在经济复苏如此早期阶段是极不寻常的。然而,持续的低利率和伯南克的看跌期权(put)使得投机或激进投资的暗流得以延续,因此,在本轮周期中,独一无二地,低质量股票和小盘股都在下跌年份里获胜。请思考一下这一点。考虑到我们所有人似乎都共有的、情有可原的疑虑,那些在 1 月 1 日相对定价过高的投机股和小盘股,今年迄今都跑赢了蓝筹股。这确实非同寻常。

The same effect, plus 6% or 7% for the relative outperformance of small caps, holds in developed countries outside the U.S. based on the EAFE index. In its way, that is even more remarkable since the headlines have been battering investor confidence there for months. This battering, however, has been focused on financial strength. This focus has finally been sufficient to push high quality stocks in EAFE ahead of low quality (remember, low debt is a component of quality on our definition) after a huge year last year for low quality stocks. But this bad news was not centered on small caps, so the undertow in favor of speculation won out for them. This difference between small cap and low quality – both speculative characteristics – could be viewed as the front line in the struggle between low rates and poor financial and other news. In the U.S., however, we (GMO) were not so fortunate in that headlines, although disturbing, did not sound the same dire drumbeat as they did in Europe, and low quality stocks continued to win as did small caps, by about the same amount. This, then, is the outcome to date in the U.S.: deteriorating fundamentals (especially a slowing in the overall growth rate of GDP), intractably high unemployment, disastrous local government finances, and disturbing news from Europe have been enough to drive the market down 13% from its high and 7.5% for the half year, which is very unusual so early in an economic recovery. Yet the continuing low rates and the Bernanke put have allowed the undertow of speculation or aggressive investing to continue so that, uniquely to this cycle, both lower quality and smaller companies are winning in a down year. Just think about that for a second. Given all of the Summer Essays – July 2010 5 GMO justifiable misgivings that all of us seem to share, both speculative and small stocks that were relatively overpriced on January 1 have beaten the blue chips year to date. It really is remarkable.

那么,这场不寻常的拉锯战将如何收场?尽管日益紧张且经济放缓,但我对低利率和格林斯潘主义(Greenspanism,姑且这样简称)的强大力量印象如此深刻,以至于我仍然认为到明年 10 月,市场有 45% 的概率(低于上一季度的 50%)会伴随投机之风升至 1400 点以上(低于上一季度的 1500 至 1600 点)。另一方面,我也必须认识到,我当初认为市场会快速急剧下跌至公允价值的 21% 概率,如今看起来可能性更大,也许接近 30%。如果市场确实继续沿当前抛售路径下行,那么罗素 2000 指数(小盘股指数)甚至垃圾股可能会因此出现一些不寻常的波动,它们可能会很快放弃其不寻常的相对强势。我可以想象一种情景,例如,罗素 2000 指数在两到三周内相对下跌 10%,因为激进的投资者世界终于对继续投机是否明智产生了怀疑,并以惯常的快速方式改变了想法。(记住,你是最先在这里读到的。)高质量股票在这方面或许不那么有前景,但如果世界变得更为谨慎,仍可能跑赢几个百分点。质量因子在几年内跑赢会是更典型的模式。

So, how will this unusual struggle resolve itself? Despite growing nervousness and despite a slowing economy, I am so impressed by the power of low rates and Greenspanism (for lack of a better or shorter description) that I would still put odds of 45% (down from 50% last quarter) for the market to rise to over 1400 (down from 1500 to 1600 last quarter) by October of next year, accompanied by a speculative spin. On the other hand, I also have to recognize that the 21% I put on a quick and rapid decline to fair value looks even more likely today, perhaps closer to 30%. If the market does indeed continue down the current sell-off path, it should result in some unusual movement in the Russell 2000 (small cap index) and possibly even the junky stocks, which might give up their unusual relative strength in a real hurry. I can imagine a situation, for example, where the Russell 2000 gives up a relative 10% in two to three weeks as the aggressive investment world finally has second thoughts on the wisdom of continuing to speculate and changes its mind in its usual rapid way. (Remember, you read it here first.) High quality is perhaps not so promising in this respect, but could still win by several percentage points if the world becomes more circumspect. It would be more typical for quality to outperform over several years.

为什么质量股便宜?

Why Are Quality Stocks Cheap?

高质量股票在去年的大涨中严重落后,那是 1932 年以来最大、最投机的一波上涨。更令人惊讶的是,它们今年仍在表现不佳,原因可能如上所述。但与小型股不同,它们已经便宜了将近五年,考虑到当今的不确定性,这很不寻常。除了低利率之外,肯定还有其他原因,导致这些伟大的公司持续折价出售。为什么在危机最深重的时候,质量股至少没有变得昂贵,而风险股在相对基础上没有变得便宜?当时大多数风险固定收益证券确实变得非常便宜。我理解质量股表现的大致方向:在 2005、2006 和 2007 年这些投机年份下跌;在 2008 年这个反风险恐慌年大幅上涨;在 2009 和 2010 年这些同样高度投机的年份下跌。但是,我对它们围绕波动的总体价值水平感到困惑。仿佛有一股额外且不寻常的力量在跟它们作对。这种类型的错误定价总有原因。原因可能不特别理性,但总有原因。让我承认我没有确定的答案,但我可以提供几个候选解释。一个是人口结构:现在每位新工人对应的新退休人员比以前更多。退休人员正在出售股票以支付账单并购买更保守的固定收益投资。他们出售的是哪些股票?到退休时,他们很可能持有蓝筹股,因为在退休前的十年里,他们已经卖掉了大部分投机性股票。这只是猜测;我没有可靠的数据来证明它。但这似乎合理。第二个候选解释,伴随着更强的间接证据,是“让我们都像耶鲁一样”综合征。过去 10 年,机构甚至超高净值个人普遍增加了投资组合中投资于私募股权、对冲基金、大宗商品和房地产的比例。即使在其股票组合中,他们也增加了海外股票(包括新兴市场和小盘股)的比例。从二阶导数层面看,对冲基金可能觉得买入可口可乐赚不到什么钱,而私募股权公司,尤其是现在,不会去追逐许多伟大的特许权公司。那么,他们用来购买所有这些新东西的是在卖掉什么?是那些曾经完全主导甚至复杂机构账户、如今已不再如此的老式美国蓝筹股和美国国债。就美国国债而言,我们有高贵的中国人介入填补缺口,原因很强大:如果他们想维持贸易顺差,别无选择。但蓝筹股只能靠自己,没有任何天然的对手盘买家。

High quality stocks were left very much behind in the great rally last year, which was the biggest and most speculative since 1932. Much more surprisingly, they have underperformed this year, probably for the reasons discussed above. But unlike small caps, they have been cheap for almost five years and, given the uncertainties around today, this is unusual. There are surely additional reasons, other than the low rates, why the great companies have persistently sold at a discount. Why didn’t quality stocks at least become expensive, and risky stocks become cheap on a relative basis, when we were at the deepest point in the crisis? Most risky fixed income securities certainly became very cheap then. I understand the general direction of the performance of quality stocks: down in 2005, 2006, and 2007, which were speculative years; up a lot in 2008, which was the year of anti-risk panic; and down in 2009 and 2010, which were also very speculative. But, I’m puzzled by the general value level around which they have been moving. It’s as if there is an extra and unusual force working against them. This type of mispricing always has a reason. It may not be particularly rational, but there is a reason. Let me confess that I have no certain answer, but I’ll offer a couple of candidates. One is the population profile: there are more new retirees per new worker than there used to be. Retirees are selling stocks to pay the bills and to buy more conservative fixed income investments. And what stocks are they selling? By the time they retire, they probably own blue chips, having sold down most of their speculative stocks in the decade before retirement. This is just a guess; I have no good data to prove it. But it does seem reasonable. A second candidate, accompanied by stronger circumstantial evidence, is the “Let’s all look like Yale” syndrome. In the last 10 years, institutions and even ultra-rich individuals have, in general, been increasing the share of their portfolios that is invested in private equity and hedge funds, commodities, and real estate. And even within their equities, they have been increasing their share of foreign equities, including emerging markets and small caps. At the second derivative level, hedge funds may feel that they do not get paid to buy Coca-Cola, and private equity firms, particularly now, do not go after many of the great franchise companies. So what is being liquidated to buy all of this new stuff? Old-fashioned blue chip U.S. stocks and U.S. government bonds that used to completely dominate even sophisticated institutional accounts and now no longer do. In the case of U.S. bonds, we have the noble Chinese to step into the breach for a powerful reason: they have no alternative if they want to run trade surpluses. But blue chip stocks are on their own, without any natural offsetting buyers.

在一个理性的市场中,与长期价值无关的结构性卖出压力会创造出一个适度的错误定价机会,从而吸引明智的资金入场。那将是一个令人愉快的、无聊的世界。而在我们这个世界,从众行为盛行,像格林斯潘这样的极端自由主义者,或像伯南克这样令人痛苦的学院派学者担任牧羊人,无效率的程度可能远超法玛和弗伦奇最大胆的想象。今天的情况正是如此。下一次——在未来的某个不可知时点——当高质量股票相对于市场其他部分的相对价格再次穿过公允价值时(顺便说一句,就像市场整体在 2008 年 10 月和 2009 年 6 月所做的那样),质量因子的超额回报可能超过 40 个百分点!(这反映在我们截至 6 月 30 日的七年预测差异中:高质量股为 7.3%,标普 500 指数其余部分为 1.1%,按七年复利计算。)顺便说一句,虽然思考为什么某些股票或板块会变便宜很有趣,但搞对原因并没有分数。只有知道什么确实便宜并持有它才有分数。

In a rational market, structural selling pressures that are not related to long-term value will create a modest mispricing opportunity into which sensible money will be drawn. That would be a nice, boring world to live in. In ours, where herding dominates and an extreme libertarian like Greenspan or a painfully academic academic like Bernanke are the shepherds, the inefficiencies can be much greater than in Fama’s and French’s wildest dreams. And so it is today. The next time – at some unknowable point in the future – when relative prices for quality versus the rest of the market once more cross through fair value (as the market in aggregate did in October 2008 and June 2009, by the way), the excess GMO 6 Summer Essays – July 2010 return for quality could be over 40 percentage points! (This is reflected in our seven-year forecasted difference of 7.3% for high quality and 1.1% for the rest of the S&P 500, compounded over seven years as of June 30.) Incidentally, although it is interesting to wonder why certain stocks or groups become cheap, there are no points for getting the reasons right. There are only points for knowing what actually is cheap and owning it.

像前面描述的那两种供需问题,可能在短期甚至相当长的时期内扭曲价格,但这就像把一个乒乓球按在水下:需要持续的压力才能保持它在那里。即使短暂地移除压力,正常的均衡也会迅速恢复。这样看来,高质量股票在未来几年的大部分时间里可能都处于价格偏低的状态,但偶尔会反弹回公允价值。这就是耐心投资者所需要的一切。这与过去 20 年的市场模式相反:大部分时间定价过高,偶尔会暴跌至公允价值。

Supply-demand issues like the two described can be powerful in distorting prices in the short run and even the quite long run, but it is like holding a ping pong ball under water: it needs constant pressure to keep it there. Remove the pressure even for a short while and the normal equilibrium will quickly be restored. In this way, quality stocks might possibly spend much of the next several years underpriced, but from time to time will bounce back to fair value. This is all that patient investors need. It is the converse of the market pattern of the last 20 years: mostly overpriced, but occasionally spiking down to fair value.

5 分钟内了解关于全球变暖你需要知道的一切 1)大气中的二氧化碳(CO2)含量,在至少几十万年保持在一个恒定范围内之后,随着工业革命的到来开始上升。它已经增加了近 40%,并且每年还在上升。这一点是确定无疑且直截了当的。

Everything You Need to Know About Global Warming in 5 Minutes 1) The amount of carbon dioxide (CO2) in the atmosphere, after at least several hundred thousand years of remaining within a constant range, started to rise with the advent of the Industrial Revolution. It has increased by almost 40% and is rising each year. This is certain and straightforward.

2)二氧化碳的特性之一是会形成温室效应,在其他条件相同的情况下,大气中二氧化碳浓度升高会导致地球温度上升。这纯粹是物理学原理。(自工业化以来,大气中甲烷等其他温室气体的含量也急剧上升,进一步加剧了二氧化碳浓度升高带来的影响。)

2) One of the properties of CO2 is that it creates a greenhouse effect and, all other things being equal, an increase in its concentration in the atmosphere causes the Earth’s temperature to rise. This is just physics. (The amount of other greenhouse gases in the atmosphere, such as methane, has also risen steeply since industrialization, which has added to the impact of higher CO2 levels.)

3)其他几个因素,比如太阳辐射强度的变化,会在数千年尺度上对气候产生重大影响,但这些影响已被观测和量化。单凭这些因素无法解释过去 50 年间全球气温的上升。

3) Several other factors, like changes in solar output, have major influences on climate over millennia, but these effects have been observed and measured. They alone cannot explain the rise in the global temperature over the past 50 years.

4)不确定性源于温室气体与复杂气候系统中其他因素之间的相互作用。我们无法确切判定气温将以多快的速度上升,或上升多少。但过去是可以测量的。过去一个世纪里,随着温室气体水平上升,气温确实在稳步升高。不过,对未来会发生什么的预测仍大相径庭,范围从本世纪内上升 1 到 2 华氏度(幅度虽小但仍具潜在危害),到上升 6 到 10 华氏度(可能造成灾难性后果)不等。大气变暖会融化冰川和冰盖,导致全球海平面上升。大气变暖还会蕴含更多能量、容纳更多水分,从而改变全球风暴、洪水及其他极端天气事件的分布格局。

4) The uncertainties arise when it comes to the interaction between greenhouse gases and other factors in the complicated climate system. It is impossible to be sure exactly how quickly or how much the temperature will rise. But, the past can be measured. The temperature has indeed steadily risen over the past century while greenhouse gas levels have increased. But the forecasts still range very widely for what will happen in the future, ranging from a small but still potentially harmful rise of 1 to 2 degrees Fahrenheit to a potentially disastrous level of +6 to +10 degrees Fahrenheit within this century. A warmer atmosphere melts glaciers and ice sheets, and causes global sea levels to rise. A warmer atmosphere also contains more energy and holds more water, changing the global occurrences of storms, floods, and other extreme weather events.

5) 怀疑论者争辩说,未来气温变化存在如此大的不确定性,这降低了采取行动的必要性:“既然你不确定,为什么还要花钱?”但由于惩罚在尾部可能以加速速率上升,更大的区间意味着更大的风险(以及更大的预期成本值)。这在逻辑上和数学上都是严谨的,然而仍有人对此提出争论。

5) Skeptics argue that this wide range of uncertainty about future temperature changes lowers the need to act: “Why spend money when you’re not certain?” But since the penalties can rise at an accelerating rate at the tail, a wider range implies a greater risk (and a greater expected value of the costs.) This is logically and mathematically rigorous and yet is still argued.

6) 帕斯卡提出一个问题:极小概率的无限损失,其期望值是多少?他给出的答案是:“无限大。”在这个例子里,如果降低二氧化碳排放、而长期效果却是二氧化碳增加的影响微不足道,这样的代价有多大?代价似乎是,相当于在你一生中放弃一次全球六个月到一年的增长——即 2% 到 4% 或更少。而收益,即便没有变暖,也包括:摆脱对中东的能源依赖;更多就业机会,因为风能、太阳能以及能效提升比另一座燃煤电厂更劳动密集;减少河流和空气污染;以及美国在这些必将变得重要的产业中提前占据领导地位。反过来,如果预防措施没有实施,而后果却非常严重,代价是什么:这些代价可能远超预防的投入;还有干旱、饥荒、大规模迁徙甚至战争可能引发的政治动荡。而帕斯卡真正想说的是,在概率分布的最极端端点上,代价可能是什么:无疑是改变生活,甚至可能威胁生命。

6) Pascal asks the question: What is the expected value of a very small chance of an infinite loss? And, he answers, “Infinite.” In this example, what is the cost of lowering CO2 output and having the long-term effect of increasing CO2 turn out to be nominal? The cost appears to be equal to foregoing, once in your life, six months’ to one year’s global growth – 2% to 4% or less. The benefits, even with no warming, include: energy independence from the Middle East; more jobs, since wind and solar power and increased efficiency are more labor-intensive than another coal-fired power plant; less pollution of streams and air; and an early leadership role for the U.S. in industries that will inevitably become important. Conversely, what are the costs of not acting on prevention when the results turn out to be serious: costs that may dwarf those for prevention; and probable political destabilization from droughts, famine, mass migrations, and even war. And, to Pascal’s real point, what might be the cost at the very extreme end of the distribution: definitely life changing, possibly life threatening.

夏季随笔——2010 年 7 月 7 GMO 7)全球变暖带来的最大成本,很可能将是生物多样性的累积损失。这一点在经济成本效益分析中完全不见踪影,原因不难理解——那些无价之宝,本就难以定价。

Summer Essays – July 2010 7 GMO 7) The biggest cost of all from global warming is likely to be the accumulated loss of biodiversity. This features nowhere in economic cost-benefit analysis because, not surprisingly, it is hard to put a price on that which is priceless.

8) 针对右翼智库,需要特别说几句:作为自由意志主义者,他们憎恶政府开支甚至政府主导——在他们看来,这些最好交由私营企业来管。大体上,这或许是个绝佳主意。但全球变暖是一个典型的公地悲剧——这一次,追求个人利益并不会带来公共利益,而这个问题迫切需要政府主导和监管。也正因如此,这些智库让自身追求理想政策的动力凌驾于科学之上。这不是个好主意。

8) A special word on the right-leaning think tanks: As libertarians, they abhor the need for government spending or even governmental leadership, which in their opinion is best left to private enterprise. In general, this may be an excellent idea. But global warming is a classic tragedy of the commons – seeking your own individual advantage, for once, does not lead to the common good, and the problem desperately needs government leadership and regulation. Sensing this, these think tanks have allowed their drive for desirable policy to trump science. Not a good idea.

9)另外,我还想简短地对我的群体——顽固的反向投资者们——说几句。亲爱的反向投资者们,我知道在股票市场的行为丛林中,多数派通常是错的。天知道,我已看到那些领导金融理论的“软科学”学者试图强行逼迫众人一致接受理性预期和市场效率这一破产的理论。但气候变暖涉及的是“硬科学”。硬科学中最权威的两大堡垒是美国国家科学院和英国皇家学会,艾萨克·牛顿和 18 世纪那一大批杰出科学家曾属于后者。这两个机构的主席最近共同发表了一封信,强调气候问题的严重性,并指出这是人为造成的。(见上季度致股东信附件。)两个学会还代表其成员发表了完整的报告,陈述了同样的观点。我们是否相信整个科学精英阶层在搞阴谋?在某一科学真理的发展过程中,反向投资者有可能变成“地平论者”。

9) Also, I should make a brief note to my own group – die hard contrarians. Dear fellow contrarians, I know the majority is usually wrong in the behavioral jungle of the stock market. And Heaven knows I have seen the soft scientists who lead finance theory attempt to bully their way to a uniform acceptance of the bankrupt theory of rational expectations and market efficiency. But climate warming involves hard science. The two most prestigious bastions of hard science are the National Academy in the U.S. and the Royal Society in the U.K., to which Isaac Newton and the rest of that huge 18th century cohort of brilliant scientists belonged. The presidents of both societies wrote a note recently, emphasizing the seriousness of the climate problem and that it was man-made. (See the attachment to last quarter’s Letter.) Both societies have also made full reports on behalf of their membership stating the same. Do we believe the whole elite of science is in a conspiracy? At some point in the development of a scientific truth, contrarians risk becoming flat earthers.

10) 阴谋论者声称相信全球变暖是一场精心编造的骗局,背后是那些拼命想……想什么呢?被非科学的新闻报道、博客、右翼政客和智库戳脊梁骨的科学家?大多数真正的科学家厌恶自己或同行出现在新闻里。成为气候科学家的发言人,在学术界(包括终身教职的获取上)已经成为一种障碍。我有一个更简单但说得通的“阴谋论”:化石能源公司为了保护数千亿美元的利润,故意混淆那些令人不便的科学结论。 11) 我们为什么要争论这个问题?挑战像石油和煤炭游说集团这样强大的既得利益集团从来都不是件容易的事。科学家天生不是观点的强势捍卫者。简而言之,他们受的训练是保守的:永远、永远不要冒夸大自己观点的风险。而怀疑论者则坚决得多、专业得多,而且更是宣传高手。他们还资金充足。吸烟导致癌症这一事实,曾经被刻意而有效地混淆视听长达 20 年,代价是数十万额外的死亡人数。我们现在确信这一点,但那些造成这一致命拖延的人从未被追究责任。石油和煤炭行业的利润让烟草业的资源看起来就像个舍入误差。在一些显著案例中,全球变暖的混淆者甚至使用了烟草业用过的同一批“专家”!混淆者简单而直接的动机——短期内赚钱,这一点谁都能理解——加上他们的资源和(事实证明)宣传天赋,意味着我们在科学定论之后很久还在争论它。就我个人而言,我欣赏他们的公关技巧,但同时总在想:“他们没有孙子孙女吗?” 12) 几乎没有人想改变。长期存在的现状非常舒适,我们也习惯了它的缺陷。但针对这个问题,我们必须改变。这从来都不容易。

10) Conspiracy theorists claim to believe that global warming is a carefully constructed hoax driven by scientists desperate for … what? Being needled by nonscientific newspaper reports, by blogs, and by right-wing politicians and think tanks? Most hard scientists hate themselves or their colleagues for being in the news. Being a climate scientist spokesman has already become a hindrance to an academic career, including tenure. I have a much simpler but plausible “conspiracy theory”: that fossil energy companies, driven by the need to protect hundreds of billions of dollars of profits, encourage obfuscation of the inconvenient scientific results. 11) Why are we arguing the issue? Challenging vested interests as powerful as the oil and coal lobbies was never going to be easy. Scientists are not naturally aggressive defenders of arguments. In short, they are conservatives by training: never, ever risk overstating your ideas. The skeptics are far, far more determined and expert propagandists to boot. They are also well funded. That smoking caused cancer was obfuscated deliberately and effectively for 20 years at a cost of hundreds of thousands of extra deaths. We know that for certain now, yet those who caused this fatal delay have never been held accountable. The profits of the oil and coal industry make tobacco’s resources look like a rounding error. In some notable cases, the obfuscators of global warming actually use the same “experts” as the tobacco industry did! The obfuscators’ simple and direct motivation – making money in the near term, which anyone can relate to – combined with their resources and, as it turns out, propaganda talents, have meant that we are arguing the science long after it has been nailed down. I, for one, admire them for their P.R. skills, while wondering, as always: “Have they no grandchildren?” 12) Almost no one wants to change. The long-established status quo is very comfortable, and we are used to its deficiencies. But for this problem we must change. This is never easy.

13)几乎每个人都想听好消息。他们愿意相信危险的全球变暖是一场骗局,因此拼命想相信那些怀疑论者。这对我们所有人来说都是个问题。

13) Almost everyone wants to hear good news. They want to believe that dangerous global warming is a hoax. They, therefore, desperately want to believe the skeptics. This is a problem for all of us.

后记 全球变暖是可预见的未来里最重要的投资议题。但如何在未来几年围绕这个议题赚钱,我还不清楚。在一个变化迅速、充斥着凶险政治的领域里,会有很多失败。推销一只“气候”基金,远比用这只基金跑赢市场容易得多。

Postscript Global warming will be the most important investment issue for the foreseeable future. But how to make money around this issue in the next few years is not yet clear to me. In a fast-moving field rife with treacherous politics, there will be many failures. Marketing a “climate” fund would be much easier than outperforming with it.

GMO 8 篇夏日论文 – 2010 年 7 月 重访“七年歉收” “七年歉收”这一想法的核心在于,期望在短短几年内克服大多数发达国家(包括美国)所面临的若干个问题,是不切实际的。本节的目的是审视那些可能拖累全球发达经济体的负面因素,尤其是从时间跨度可能会是多长这一视角出发。

GMO 8 Summer Essays – July 2010 “Seven Lean Years” Revisited The idea behind “seven lean years” is that it is unrealistic to expect to overcome the several problems facing most developed countries, including the U.S., in fewer than several years. The purpose of this section is to review the negatives that are likely to hamper the global developed economy, especially from the viewpoint of how much time may be involved.

首先,金融危机的成因之一是部分国家消费者的过度负债,包括美国、英国以及几个欧洲国家。时至今日,虽然消费者债务已停止增长——这本身已前所未有,并侵蚀了消费——但个人债务水平的总体改善仍微乎其微。至少需要连续七年稳步去杠杆,才能恢复到较为正常的水平。如果速度再快一些,经济几乎不可能以接近正常速度增长,甚至根本无法增长。当前局面中存在一种令人不安的创造性紧张。一头是,大规模刺激推动政府债务升至偿债(利息及本金)真正成问题、或者至少引发信心危机的水平。另一头是,在经济仍然脆弱时强行压住债务不增,则有可能引发严重的二次经济衰退。如何抉择这道两难命题,很可能将被证明是我们这个时代的经济政策核心。我同情当权者。这并非易事。不过我的猜测是,眼下债务减得少一些,后续耗时更长、更缓慢地减债,才是最佳路径。现在减债过头,很可能会令本就脆弱不堪的全球经济雪上加霜,其负面影响很可能足以抵消减债带来的所有好处,甚至更多。事实上,经济走弱会令政府收入降低,令人悲哀的是,债务水平反而可能因此上升。这种需要时间来治愈所有病症的道理,正是我选择“七年萧条式复苏”、而非更正常更快的复苏模式的理由之一。不过坏消息是,最终,无论如何,债务水平必须从所有层面降下来,尤其是政府层面。这个过程几乎不可能愉快或迅速。

First, one of the causes of the financial crisis was the over-indebtedness of consumers in certain countries, including the U.S., the U.K., and several European countries. As of today, although they have stopped increasing consumer debt – which itself is unprecedented and has eaten into consumption – the total improvement in personal debt levels is still minimal. It would take at least seven years of steady reduction to reach a more normal level. Anything more rapid than this would make it nearly impossible for the economy to grow anywhere near its normal rate or, perhaps, at all. There is in the situation today a nerve-wracking creative tension. At one extreme, massive stimulus induces government debt to rise to levels that cause a real problem in servicing the debt – interest and repayment – or at least a crisis of confidence. At the other extreme, a draconian attempt to hold debt levels while the economy is still fragile runs the risk of causing a severe secondary economic decline. Deciding which horn of this dilemma to favor will probably prove to be the central economic policy choice of our time. I am sympathetic to those in power. This is not an easy choice. My guess, though, is that the best course is less debt reduction now and a longer, slower reduction later. Overdoing it now may well cause an economic setback for an already tender and vulnerable global economy that might easily be enough to more than undo all of the benefits of debt reduction. Indeed, with a weaker economy leading to lower government income, it might sadly cause debt levels to rise after all. This need for time to cure all ills is one reason why I picked a seven-lean-year recovery over a more normal and rapid one. The bad news, though, is that in the end, by hook or by crook, debt levels must be lowered at every level, especially governmental. There is almost no way that this process will be pleasant or quick.

第二,也是最令人当下感到恐惧的一点:在“七年歉收”情景下,尽管这场信贷危机是因过度宽松的信贷泛滥引发,但纾困措施却是让各国政府通过向经济体系注入政府债务来增加总负债。危险至极的金融体系债务,在被不断加码后,转变为危险至极的政府债务,其债务与 GDP 之比达到除重大战争外从未见过、即使在战争年代也少见的水平。越来越多地,这种“纾困”更像是缓期执行。面对银行危机,有中央政府兜底。对小国而言,国际货币基金组织(IMF)或许能起到实质帮助;但对陷入困境的大国,IMF 就显得力不从心,而一旦多个大国同时出现债务危机,IMF 显然会毫无用武之地。第三,我们失去了此前因债务水平持续攀升及相关资产泡沫带来的系列人为刺激。比如,房价持续上涨带来的消费者心态人为提升,不太可能很快重现。实际上,美国房价进一步下跌的概率可能超过 50%,而在英国和澳大利亚,这几乎已成定局。那种笃信房价必将持续攀升的极度自信——到 2006 年已深植于美国普通民众(很不幸,包括伯南克)的脑中——早已烟消云散。因异常高的住房建设率以及异常高的现有住房周转率所带动的相关服务业(更多房产中介等)增长,对经济产生的直接刺激效应,也已成遥远记忆。因此,房价上涨带来的刺激已经消失;而全球发达市场的股价虽然已实现强劲复苏,但仍远低于 10 年前的高位,尤其在美国,股价依然估值偏高。市场与房价的双重下跌,也削弱了人们对自己退休储蓄以及退休前可加力消费的信心。如今,消费者正重新适应更高的储蓄需求,或许还不幸地要适应更长的工龄。史无前例地,他们开始偿还部分消费债务。这些转变后的心态,必将持续多年。

Second, and the most immediately frightening aspect of the seven-lean-year scenario, is that although the credit crisis was caused by too much credit on too sloppy a basis, the cure was to increase aggregate debt by flooding economies with government debt. Dangerously excessive financial system debt was moved across, with additions, to become dangerously excessive government debt, with levels of debt to GDP not seen outside of major wars, and seldom then. Increasingly the “cure” seems more like a stay of execution. With bank crises, there is the backstop of the central government. For minor countries, the IMF may be a net help, but for major countries in trouble, the IMF seems outgunned and, if several major countries have a debt crisis simultaneously, the IMF is clearly irrelevant. Third, we have lost a series of artificial stimuli that came out of the steady increases in debt levels and the related asset bubbles. For example, the artificial lift to consumers’ attitudes resulting from steadily rising house prices is unlikely to return soon. In fact, some further price decline in house prices in the U.S. is probably more than a 50/50 bet, and in the U.K. and Australia is nearly certain. For sure, that feeling of supreme confidence – counting on the inevitability of further steady rises in house prices, which was baked into average U.S. opinion by 2006 (including Bernanke’s, unfortunately) – is long gone. The direct shot in the arm to the economy from the rise in economic activity from an abnormally high rate of home construction and the services associated with an abnormally high turnover rate of existing houses (more realtors, etc.) is also a distant memory here. So the stimulus from rising prices has gone, and stock prices, although they have made a strong recovery everywhere in the developed world, are still way down from their highs of 10 years ago and, notably in the U.S., are still overpriced. Both the market and house price declines have also reduced confidence in the nest eggs that people felt they could count on for retirement as well as a little more spending on the way there. Now consumers are readjusting to a greater need to save and, perhaps unfortunately, a greater need to work longer. Unprecedentedly, they are paying down some consumer debt. These changed attitudes will surely last for years.

第四,尽管美国金融体系已渡过压力最大的阶段,但欧洲可能面临非常糟糕的局面。而且,体系内的杠杆水平以及进一步减记的可能性(例如,更多住房违约和私募股权减记)导致银行资本不足、不愿放贷。任何新的负面事件——不论发生在美国、欧洲还是其他地方——都将让它们继续神经紧张。此前金融业规模快速扩张所带来的美国 GDP 总增长也已消失,并且,如果运气好的话,这种增长将一去不复返,因为在我看来那并非健康的增长。

Fourth, although the financial system has passed its point of maximum stress in the U.S., very bad things may lie ahead in Europe. And the leverage in the system and the chances of further write-downs (yet more housing defaults and private equity write-downs, for example) leave banks undercapitalized and reluctant to lend. Any more shoes Summer Essays – July 2010 9 GMO dropping here or in Europe, or elsewhere for that matter, will tend to keep them nervous. The growth in the total U.S. GDP caused by previous rapid increases in the size of the financial sector has also disappeared, and with any luck will stay disappeared, for it was not healthy growth in my opinion.

第五,公共部门的成本失控,尤其是在州和市一级,其平均薪资和养老金在短短 15 年内就远超私营部门的水平(哎,单是这一点就能写出一份不错的报告!),如今却撞上了税收减少这堵墙。州及其他地方政府极度依赖房地产税,而由于房价下跌和违约,该税种收入下降了超过 30%;同时它们也依赖资本利得税,但资产价格普遍下跌重创了这一税源。法律要求它们必须保持收支平衡,这导致它们不得不痛苦地削减开支,进而给正在消耗大部分刺激政策、接近尾声的经济带来压力。随着 20 世纪 90 年代和 21 世纪初许多人造刺激因素的消失,它们的收入不太可能在两三年内反弹,而经济二次探底或资产价格再次下跌,将使它们的复苏进程进一步推迟。

Fifth, the runaway costs in the public sector, particularly at the state and city levels, where average salaries and pensions ran far above private sector equivalents in a mere 15 years (why, that would make a good report by itself!), have run into a brick wall of reduced taxes. State and other municipalities are incredibly dependent on real estate taxes, which are down over 30% from falling real estate prices and defaults, and also on capital gains rates, which have been hit by falling asset prices generally. Their legal need to stay balanced is leading to painful cost cutting, which in turn puts pressure on an economy that is coming to the end of much of the stimulus. With many of the artificial stimuli of the ’90s and 2000s gone, their revenues are unlikely to bounce back in one or two years, and a double-dip in the economy or new asset price declines would move their recovery back further.

第六,失业率居高不下,且将因资产泡沫相关的那些助推因素的消失而进一步恶化。美国经济似乎奇异地难以创造出足够多的就业岗位,以赶超劳动力人口的自然年度增长。(至少在短期内,一个长期的经济拖累因素——美国劳动力长期增长放缓——会在中期帮助降低失业率,但超过五年后,它同样会拖累 GDP 增长,过去十年它已如此运作。)毋庸置疑,失业会压制消费者信心,并由此压低企业投资意愿,使其低于正常水平。

Sixth, unemployment is high and will also suffer from the loss of those kickers related to asset bubbles. The U.S. economy appears to have an oddly hard time producing enough jobs to get ahead of the natural yearly increases in the workforce. (At least for a while, one long-term economic drag – slowing longer-term growth of the U.S. labor force – becomes an intermediate-term help in reducing unemployment, but beyond five years, it too will work to reduce GDP growth, as it has already done in the last 10 years.) Needless to say, unemployment works to keep consumer confidence and, hence, corporate willingness to invest, below normal.

第七,全球经济的另一个长期问题是贸易失衡。美国尤其不能持续承受巨大的贸易逆差。在一个对主权债务质量——甚至包括美国的主权债务——日益担忧的世界里,国内主权债务水平已经爆炸式增长。累积的外债给美元带来了额外的复杂性和威胁,这只会给整个体系增加风险和疑虑。这与中国人不断累积的盈余类似。失衡会破坏系统的稳定性。然而,关键在于要减少这些失衡,同时不让这一过程削弱全球经济增长。这种必要的再平衡不会快速或轻易实现。

Seventh, another longer-term problem for the global economy is trade imbalances. The U.S. in particular cannot continue to run large trade imbalances. In a world growing nervous about the quality of sovereign debt – even that of the U.S. – domestic sovereign debt levels have exploded. The added complication and threat to the dollar from accumulating foreign debts just adds risk and doubts to the system. This is similar to the accumulating surpluses of the Chinese. Imbalances destabilize the system. The trick, though, is to reduce these imbalances so that the process does not reduce global growth. This necessary rebalancing will not be quick or easy.

第八,欧元还有一个相关但又不同的问题:西班牙、希腊、葡萄牙、爱尔兰和意大利的管理层无能,导致这些国家制造商品的本地竞争力与德国相比,落后了 20% 甚至更多。想要阻止这一趋势从来都不是件容易的事,这么做需要采取一些强硬措施,承担令人不适的短期后果。但他们本可以看到问题像时钟一样年年累积,每年大约 2% 到 3%,年复一年。这并非源自银行业危机,而且在固定货币体系下,解决起来从来都不会轻松。这一困境从一开始就隐含在欧元的结构之中。事实上,我的朋友兼前合伙人保罗·伍利* 从一开始就相信,并且让所有人都知道,这是一个致命缺陷,在压力下几乎必然会导致欧元崩溃。不过,人们或许本可以期待更好的规避行动或更强的生存本能。

Eighth, there is a related but different problem with the euro: incompetent management in Spain, Greece, Portugal, Ireland, and Italy allowed the local competitiveness of their manufactured goods to become 20% or more uncompetitive with those of Germany. It was never going to be an easy matter to head this process off, and doing so would have taken some tough actions with uncomfortable short-term consequences. But they could see the problem building up like clockwork at about 2% to 3% a year, year after year. This did not result from the banking crisis, and it was never going to be easy to solve with a fixed currency. The difficulty was implicit in the structure of the euro from the beginning. Indeed, my friend and former partner, Paul Woolley,* believed, and let everyone know it, that from day one this was a fatal flaw nearly certain to bring the euro down under stress. But one might have hoped for better evasive action or better survival instincts.

希腊尤其存在两个很大程度上相互独立的问题。首先,其劳动力成本约高出合理水平 22%(这还包括领取 14 个月薪水、50 多岁退休),唯一的解决途径是将薪资降低 22%。对于任何缺乏特别牢固社会契约的政府而言,这都将是艰巨的任务——所谓社会契约,是指个体认同自身有义务帮助整个社会繁荣,或者在此案例中,共克时艰。希腊人很可能并不具备这种契约精神。也许美国人也不具备。当有那么多其他对象可以归咎于当前困境时,我们会坦然接受普通劳动者必须减薪 22% 的说法吗?相比之下,日本人很可能具备这种契约精神,但或许他们又存在其他抵消性的劣势。

Greece in particular has two largely independent problems. First, it has approximately 22% overpriced labor (complete with 14 months’ salary and retirement in one’s 50s), which can only be cured by reducing their pay by 22%. This would be tough for any government that does not have an exceptionally well-established social contract – a commitment from individuals that they have obligations to help the whole society to prosper or, in this case, muddle through. The Greeks probably do not have it. Perhaps the U.S. does not either. Would we take being told that ordinary workers would have to earn 22% less when there are so many other people to blame for our current problems? The Japanese, in contrast, probably do, but may well have other offsetting disadvantages.

希腊人的第二个问题是,他们积累了太多政府债务,超出了自身的偿还能力,而随着疑虑的上升,他们必须支付的利率也随之提高,这又导致偿还能力下降,疑虑进一步加深。临时救助只是在推迟必要的重组。如果局面失控,就会面临一个问题:那些被塞进其他欧洲银行的希腊债务怎么办。(我的同事爱德华·钱塞勒正在写这个话题。)我只想指出,这两个希腊问题——它们在不同程度上影响着* 保罗·伍利在伦敦经济学院设立了一个“资本市场功能失调”研究中心。

The second problem for the Greeks is that they have accumulated too many government debts relative to their ability to pay and, as the doubts rise, so do the rates they must pay such that their ability to pay falls and the doubts rise further. Temporary bailouts are postponements of a necessary restructuring. Should the system get out of control, there is the problem of the Greek debt that is stuffed into other European banks. (My colleague, Edward Chancellor, is writing on this topic.) I merely want to make the point that these twin Greek problems, which affect, to varying * Paul Woolley started a center for the study of “Capital Market Dysfunctionality” at the London School of Economics.

GMO 十篇夏季论文——2010 年 7 月 强度,其他“欧猪国家”,已成为“七个荒年”的内在组成部分,或多或少地确保了低于正常水平的 GDP 增长和漫长的调整期。

GMO 10 Summer Essays – July 2010 intensity, the other PIGS, have become an intrinsic part of the “seven lean years,” more or less guaranteeing slower than normal GDP growth and a long workout period.

第九,主权债务普遍攀升以及欧元区和日本面临的特定问题,正导致人们对基于信用的货币体系出现系统性信心丧失。这个体系愈发脆弱,将日益限制政府应对低增长与过度信贷的政策选择空间。最后,或许也是最重要的一点——放眼长期,有一个将与前述七年修复期重叠、令这段时期雪上加霜的深远问题:养老与医疗福利承诺的普遍超支,这一点将在下一节详述。

Ninth, the general rising levels of sovereign debt and the particular problems facing the euro bloc and Japan are leading to the systematic loss of confidence in our faith-based currencies. It is becoming a fragile system that will increasingly limit governments’ choices in terms of dealing with low growth and excessive credit. Finally, and possibly most important of all, on a long horizon there is a very long-term problem that will overlap with the seven-year workout and make the period even tougher: widespread over-commitments to pensions and health benefits, which is covered in the next section.

老龄化人口、养老金与医疗成本

发达世界的人口正日趋老龄化,随着年龄增长,他们需要更多的医疗护理。医学科学的进步意味着有越来越多昂贵且有效的治疗方法可供选择。问题在于,这些疗法大多极其昂贵,却只能带来微小的帮助。然而,限制或配给使用这些疗法又十分困难。一个症状是,几乎 25% 的医疗总费用发生在人生的最后一年,而同等支出用于产前和儿童护理,却能为社会带来数倍的回报。可以理解的是,或许像我这样年纪或更年长的人对这种言论非常敏感,“死亡小组”的呼喊声也轻易出现。结果是,总医疗成本快速攀升,而美国在这方面高居全球首位,其医疗支出占 GDP 的比重比发达国家平均水平高出三分之一。随着人类基因组研究的进展,我们将很快看到一些令人瞠目结舌的高昂方法,用以降低极罕见疾病的发生率,以及更多难以配给或抗拒的疗法。而寿命延长药物的重大突破——比如雷帕霉素——尽管令人向往(哪里能买到?),却会导致年龄结构问题的可怕加剧。

Aging Populations, Pensions, and Health Costs The populations of the developed world are getting older and, as they age, they need more medical attention. The march of medical science means that an increasing number of expensive helpful treatments are available. The problem is that they are mostly very expensive and only a little bit helpful. Yet it is hard to limit or ration their use. A symptom of this is that almost 25% of total medical expenses occur in the last year of life, while equivalent spending in prenatal and child care would yield multiples of the payoff to society. Understandably, perhaps people of my age and older are very sensitive to this kind of talk and chants of “death panels” easily arise. The result is that total medical costs rise rapidly, and in the U.S. are handsomely in first place globally, with the percentage of GDP going to medical care at one-third more than the average developed country. With progress in the study of the human genome, we will soon see breathtakingly expensive ways to reduce the incidence of very rare diseases and much more that will be hard to ration or resist. And a great leap in life extension drugs – perhaps rapamycin – although desirable (where can I buy it?) would result in a terrible extension of the age profile problem.

赤裸裸的现实正一刻比一刻更清晰:几乎所有的发达国家都在退休福利上过度承诺,尤其是医疗保健。即便没有严峻的老龄化问题,单是医疗成本本身就已经是重大的经济挑战。而随着人口老龄化,医疗成本和退休成本急剧膨胀,给年轻劳动者带来了难以承受的负担。我们这些发达国家正与预算诚信迎头相撞——按现行的医疗成本政策,我们根本无力兑现已做出的承诺。所有人都面临同一个选择:要么违约,要么重写社会契约。在美国,重写社会契约意味着要大幅提高税率,接近欧洲目前的水平——哦,多么卑劣可耻的想法!

The plain truth is becoming more obvious by the minute. Almost all developed countries are overcommitted to retirement benefits, especially health care. Even without severe aging problems, health costs alone would be a major economic challenge. With an aging population, though, health costs and retirement costs balloon and put an intolerable burden on younger workers. We in developed countries are on a collision course with budgetary integrity: given our current policies on health costs we simply cannot afford the commitments we have made. We all face the choice of reneging or rewriting the social contract. Such rewriting in the U.S. would require a substantially higher level of taxes, approaching the current rates in Europe – oh base and villainous thought!

在发达国家,最终选择哪条路,取决于各国的历史及其对社会契约理念的坚定程度:个人愿意为了社会整体利益而承受多大的个人损失?美国,和大多数国家一样,偶尔在这方面表现出色,但也仅限于重大战争时期。和平时期,其文化更倾向于个人至上、不顾他人。日本则始终令人惊叹地处于另一个极端(尽管社会凝聚力终于开始出现一丝松动),欧洲国家则介于两者之间,斯堪的纳维亚国家接近日本水平,而希腊等一些地中海国家则更接近美国。在当前压力下,欧洲人似乎愿意延长退休年龄(永远不要浪费一场好危机!),这在一定程度上可被视为一种违约行为,伴随而来的是不同程度的抗议。显然,几乎在各地,人们最终都将工作到近 70 岁,直到婴儿潮消退的影响在人口结构中消化完毕,大约 40 年后,痛苦才会开始减轻。平均而言,欧洲国家在医疗成本配给方面也比美国做得更好,而这终究是必须做的事情。英国也许有特殊的信贷问题、相对较低的生产率以及脆弱而臃肿的金融部门,但它在这方面一开始就拥有巨大优势。它对退休人员的承诺较少,在医疗成本的合理配给方面也更先进——当然,这两点老百姓都不喜欢!这就引出了美国。在这里,将医疗福利配给到社会愿意支付水平的可能性是如此令人深恶痛绝,以至于无法进行理智的讨论,即便要谈,也必须用扭曲的语言来回避实质问题。我们的文化要求用钱能买到的最好的东西,加上无限的法律责任(拜法律游说团体和国会中那些可爱的律师们所赐),以及有利于制药和保险业的条件(也拜其有效的游说活动所赐)。没人受到虐待,当然,普通用户除外。也就是说,普通的纳税人,他们为平庸甚至更差的整体医疗结果、更短的预期寿命等等等等,多支付了三分之一。是的,我知道,对非常富有的人来说,这据说是世界上最好的制度。然而,我很富有,最近却被一个小小的国家级蜱虫问题在这医疗体系中搞得团团转,经历远非出色。而且,永远不要在假期生病。“X 医生正在阿拉斯加钓鱼,所以您的电话将转接到 Y 医生,他正在大开曼群岛潜水。点击。” 这都是些轶事证据。异端邪说。把它从记录中删掉!

In the developed world, which choice is made will depend on the country’s history and on the strength of its concept of the social contract: how much personal disadvantage is the individual willing to accept in the interest of the social good? The U.S., like most countries, has been brilliant in this area on occasion, but these occasions were only during major wars. Outside of wars, the culture is more like the individual über alles and the devil take the hindmost. Japan is always amazing at the other extreme (although finally social cohesion is starting to fray a little), and European countries are somewhere in between, with the Scandinavian countries close to the Japanese level and Greece and some other Mediterranean countries more like the U.S. Under current stresses, the Europeans seem ready to extend the retirement age (never waste a good crisis!), which can fairly be seen as involving a degree of reneging, received with varying degrees of kicking and screaming. Clearly, almost everywhere people will end up working into their late 60s until the baby-bust works its way through the population profile and in 40 years or so begins to be less painful. On average, European countries will also be better than the U.S. at rationing health costs, which of course in the end must be done. The U.K. may have exceptional credit problems, relatively low productivity, and a vulnerable and bloated financial sector, but it does start with huge advantages in this area. It has promised less to retirees and is more advanced in the reasonable rationing of health costs – not that its population likes either development! This brings us to the U.S. Here the possibility of rationing health benefits to the level society is willing to pay is so anathema that it cannot be talked about sensibly and, if at all, the language must be tortured in order to talk around Summer Essays – July 2010 11 GMO the point. Our culture demands the best that money can buy, combined with unlimited legal liability (courtesy of the legal lobby and all those lovely lawyers in Congress), and friendly conditions for the drug and insurance industries (courtesy also of their effective lobbies). Nobody gets treated badly except, of course, the ordinary user. That is to say, the ordinary taxpayer, who pays a third more for mediocre or worse aggregate health results, lower life expectancy, etc., etc., etc. Yes, I know for the very rich it is said to be the best system in the world. Yet I am rich, and have had less than brilliant experiences recently with a tiny country tick running rings around the medical industry. And never get sick during vacation season. “Dr X is fishing in Alaska so your call will be forwarded to Dr. Y, who is scuba diving in Grand Cayman. Click.” Anecdotal evidence. Heresy. Strike it from the record!

如果你愿意为此付费,我们成本高昂的医疗体系也许还行。但是,那些一听到合理配给的概念就尖叫“死亡委员会”的人,同时也坚持要拥有大量手枪,一听到税收结构接近其他富裕国家的平均水平,就要伸手拔枪。这根本算不过来。必须二选一:要么配给,要么增税。大概我们会蛰伏起来,等待危机,然后才应对。(公平地说,我们确实适度提高了领取社会养老金的年龄,比如我就必须多等四个月。愤怒,愤怒。)在我看来,这种拒绝做出痛苦选择的做法,使美国在长期金融问题严重的国家名单中位列前茅。日本则反常地处于一个更糟糕的人口结构,并且经历了可怕的 20 年,但凭借其社会凝聚力,它仍然应该能够艰难地做出这些选择,并更容易地同意支付不可避免的、非常高昂的代价。

Our cost-laden health system is perhaps fine if you are willing to pay for it. But the same people who scream “death panels” at the concept of sensible rationing also reach for their revolvers, of which they insist on having plenty, at the prospect of having a tax structure nearer the average of the rest of the rich world. Now, this is a non-compute. It has to be one or the other, either rationing or taxes. Presumably we will hunker down, wait for a crisis, and then respond. (To be fair, we did modestly extend the age to receive Social Security and I, for one, had to wait an extra four months. Rage, rage.) In my opinion, this refusal to make painful choices puts the U.S. fairly high up the list of countries with longer-term financial problems. Japan, perversely, has a much worse population profile and has had a terrible 20 years, yet with its social cohesion should still dig its way through these choices and agree to pay the inevitable, very high prices more easily.

关于养老金逻辑的暂停思考 这是一个好机会,可以就养老金问题提几点看法。支付养老金的唯一途径,来自于当年的 GDP——即新商品和新服务的总产出。你无法实质性地跨越时间将资源转移给退休人员。当然,你可以在地下室里储存几罐牛肉和胡萝卜。这确实是在为未来做准备,但就其本质而言,这在总的规模上只能算是个四舍五入的误差。我想,为了预付未来的账单,你可以建造超过当前需求的额外房屋供应,但空置房屋的投资回报率很低,而且会贬值,正如我们现在因完全不同的原因所发现的那样。不。退休人员的每一次公交出行、每一购物袋食品、每一台电视机和每一次看医生,都与年轻工人一样,来自当年 GDP 这块大饼。所有积累的金融财富所做的,只是搅动会计账目以确定分配顺序:最终,每个人都必须从当前的 GDP 中获取生存保障。从这个意义上说,像德国那样的现收现付养老金制度,不过是承认了这个显而易见的事实。当你的人口结构老化时,当年 GDP 这块大饼中将有更大份额被退休人员吃掉,更少份额留给年轻工人,你做什么都无法实质性地改变这个事实。

A Time-out on Pension Logic This is a good opportunity to make some points on pensions. The only way that pensions can be paid is out of the current year’s GDP – the total output of new goods and new services. You cannot materially move resources to pay pensioners through time. Sure, you can store a few tins of beef and carrots in the basement. This is indeed preparing for the future, but it is by its very nature a rounding error in total scale. I suppose you could build an extra supply of houses, more than you currently need, in order to prepay future bills, but empty houses have a poor return on investment and deteriorate, as we are finding out now, for completely different reasons. No. Every bus ride, every full grocery bag, every TV set, and every doctor’s visit for a pensioner comes out of this year’s GDP pie just as it does for a young worker. All that accumulated financial wealth does is shuffle the accounting claims to determine the pecking order: in the end, everyone needs to derive a life-support system from the current GDP. In this sense, a pay-as-you-go pension fund like Germany’s is merely admitting the obvious. When you have an aging population mix, more of the current year’s GDP pie will be eaten by retirees and less by younger workers, and nothing you do can materially change this fact.

那么,为了哪怕是有限地应对人口结构的变化,你能做些什么呢?我认为有两个有用的步骤可以采取,或者本来可以采取。

So what can you do to prepare even modestly for a shift in population mix? I believe that there are two useful steps that can be taken, or could have been.

第一步。确保基础设施尽可能保持最新状态,以尽量减少未来工人和纳税人的不必要负担,这样就不必支付不必要的维护费用。在一个如此明智的世界里,道路和桥梁维护得闪闪发光,许多还是新建的。学校、水和能源传输系统尽可能现代化和高效。显然,我们在第一步上完全失败了。我们甚至没有讨论过,我们的人口老龄化使得这一政策变得极其可取。我们正以可能最糟糕的准备状态,进入这个老龄人口结构的新困难世界:背负着巨额的未付维护账单,这是现代史上最糟糕的。我们的基础设施遭到了可悲的忽视,甚至以我们自己的早期标准来看也是如此——公共交通差劲,桥梁摇摇欲坠,等等等等。就好像我们预计工蜂比例会大幅且立即增加,而这与现实完全相反。

Step 1. You can make sure that the infrastructure is as up-to-date as it can possibly be to minimize any unnecessary load on future workers and taxpayers so that no unnecessary maintenance costs have to be paid. In such a sensible world, the roads and bridges are sparklingly well maintained, with many of them new. The schools, water, and energy transmitting systems are as modern and efficient as can be. Obviously, we have totally failed on Step 1. We have not even discussed that our aging population makes this policy extremely desirable. We enter the new difficult world of an aging population profile perhaps as badly prepared as possible, with huge unpaid maintenance bills, the worst in modern times. Our infrastructure is sadly neglected even by our own earlier standards, with poor public transportation, decrepit bridges, etc., etc., etc. It’s as if we expected a great and immediate increase in the worker bee percentages, which is the complete opposite of reality.

第二步。我们可以偿还所有未来的债务,以进一步缓解我们面临的、那个我们已知的、捉襟见肘的 30 年期间的问题。在这里,我们再次进入我们最棘手的时期,创纪录的联邦债务为未来增加了额外的索取权。不仅不满足于让比例减少的工人承担按比例更多的退休人员,我们还毫无必要地用我们常规的日常开支来加重他们的负担,以至于他们——工作的纳税人——将不得不在未来的负担中加上不必要的高额利息和债务偿还。

Step 2. We can pay down all future debts to further ease the problem of the squeezed 30-year period that we know we face. Here again, we enter our trickiest period, with record Federal Debt heaping additional claims onto the future. Not content with having the reduced percentage of workers carrying proportionately more retirees, we have needlessly loaded them with our routine current expenditures so that they – the working taxpayers – will have to add unnecessarily high interest and debt repayments to their future load.

GMO 12 《夏日论文》- 2010 年 7 月 这两个步骤都与实际所需背道而驰。这多么有力地证明了当代和前任政治家的短视。公平地说,早在奥巴马成为候选人之前很久很久,就从未听到过任何关于为此人口老龄化问题迫切需要的审慎准备进行的讨论。国会完美地扮演了无忧无虑、毫无准备的蚱蜢的角色。

GMO 12 Summer Essays – July 2010 Both steps are completely the reverse of what is needed. What a testimonial to the shortsightedness of both today’s and yesterday’s politicians. And to be fair, let it be said that long before Obama was a gleam in the eye, no conversations at all were heard on the prudent preparation that this aging population problem desperately required. Congress has played the part of the carefree, unprepared grasshopper perfectly.

总结 第 5 和第 6 部分列举了一系列令人心痛的问题。其中一些直接源于近期的金融和经济危机。另一些的重要性则源于过去 30 年(我们可以称之为后沃尔克时期)养成的坏习惯。人口老龄化这个重大问题不能归咎于政策,但我们可以同意,这是一个显而易见、确定无疑的未来事件,因此本可以提前做好准备。有一组问题很大程度上源于一个过度膨胀、鲁莽且贪婪的金融体系。但所有这些问题都过多地归因于一个共同原因:我们的国会和政府其他部门的领导层缺乏足够的、明智的长期规划。我们在投资和整个经济学领域面临的核心问题之一,是我们默认假设“他们”(政府)知道自己在做什么。不幸的是,事实远非如此。作为投资者,我们可能没有任何有效的灵丹妙药,除了为自己逐个游说寻求具体改进,比如沃尔克规则。然而,如果我们能认清最坏的情况,拒绝生活在愚人的天堂里,我们通常会成为更好的投资者。

Summary Parts 5 and 6 present a heart-breakingly long list of problems. Some of them stem directly from the recent financial and economic crisis. Some of them draw their importance from bad habits built up in the last 30 years, in what we might call the post-Volcker period. The huge issue of the aging population cannot be blamed on policy, but we can agree that it was an obvious and certain future event, and therefore could have been prepared for. One group of problems draws a lot of its potency from an overgrown, reckless, and greedy financial system. But all of them owe too much to a common cause: an inadequate supply of wise long-term planning by our leadership in Congress and the rest of government. One of our central problems in investing and in economics in general is our default assumption that “they” (the government) know what they are doing. Unfortunately, nothing could be further from the truth. As investors, we may not have any effective cures up our sleeve other than lobbying ourselves for specific improvements, like the Volcker rule, one by one. We will, however, be generally better investors if we recognize the worst and refuse to live in a fool’s paradise.

就在一年多前,我曾推测,在我们发达国家之前渴望达到 3.5% 增长率的地方,未来七年若能实现 2.25% 就算不错了。15 个月后的今天,我认为能实现 2% 就很幸运了。

Just over a year ago, I speculated that where we had formally aspired as developed countries to a growth rate of 3.5%, we would now be doing well to reach 2.25% for the next seven years. Fifteen months later, I think we will be lucky to reach 2%.

免责声明:所表达的观点是 杰里米·格兰瑟姆 截至 2010 年 7 月 20 日期间的观点,并可能根据市场和其他条件随时发生变化。本文件并非购买或出售任何证券的要约或招揽,也不应被解释为此类。提及特定证券和发行人仅用于说明目的,无意也不应被解释为购买或出售此类证券的建议。

Disclaimer: The views expressed are the views of Jeremy Grantham through the period ending July 20, 2010, and are subject to change at any time based on market and other conditions. This is not an offer or solicitation for the purchase or sale of any security and should not be construed as such. References to specific securities and issuers are for illustrative purposes only and are not intended to be, and should not be interpreted as, recommendations to purchase or sell such securities.

版权 © 2010 GMO LLC。保留所有权利。

Copyright © 2010 by GMO LLC. All rights reserved.

《夏日论文》- 2010 年 7 月 13 GMO

Summer Essays – July 2010 13 GMO