来自《耶鲁大学开放课程：金融理论 第5集 第5集》

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  Because alpha A began with all of tree maybe he'll sell his
  A开始有一整棵树可能他会出售一部分
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  shares of tree and end up with not having a tree in the end.
  A可能最后没有这棵树了
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  So we have to see where they began, the stock ownership to
  所以我们要关注人们最初的持股数
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  begin with and where they end up.
  和结束时候的持股数
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  So we have to solve all of that and it looks way more
  我们就要解决其中的关系
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  complicated than before, and so complicated that you can
  这个看起来很复杂
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  see why people might have gotten confused.
  让人迷惑
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  But according to Fisher it's going to turn out to be a very
  根据费雪的理论只要用对方法
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  simple problem in the end once we look at it the right way.
  我们可以简化它
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  So are there any questions about what the economy is and
  我们停一下
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  what are the variables that we're trying to explain?
  关于原始的经济状况和这些变量
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  Yeah?
  大家是否有疑问?