来自《耶鲁大学开放课程：金融市场 第9集 第9集》

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  is a half a percent per annum.
  每年只差0.5%
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  That's an incredibly tight distribution of returns.
  这是个极其紧凑的收益分布
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  Half of the returns are within a spread of a half-percent.
  半数基金收益都集中于0.5%大小的区间
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  Then as you move out to the equity markets
  如果你转而观察
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  where it's harder to price things as efficiently--large-cap stocks
  难以有效定价的市场 比如大盘股
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  --there are two-fold percentage points,first to third quartile.
  第一和第三个四分位数相差2个百分点
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  Small-cap stocks are tougher to price than large-cap stocks,
  小盘股比大盘股更难定价
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  so there's a 4.7% differential, first to third quartile.
  第一和第三个四分位数的差距有4.7%
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  The hedge fund world is 7.1% first to third quartile,
  在对冲基金中 这个差距有7.1%
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  real estate 9.3% per annum,
  不动产投资中的差距是9.3%
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  leveraged buyouts 13.7% per annum
  杠杆收购中是每年13.7%
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  this is over a ten-year period,
  以上都是十年期收益