来自《耶鲁大学开放课程：金融理论 第6集 第6集》

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  So looking through the veil you can always reduce the financial
  所以看穿这些干扰信息你就可以把金融
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  equilibrium to a general equilibrium.
  均衡转化为一般均衡
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  Now, I want to go back and reexamine all that logic.
  现在我要重新检验这个逻辑的正确性
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  So what's the first step in what Fisher did?
  那么Fisher第一步是怎么处理的
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  And this is the idea of no arbitrage.
  首先是非套利的理念
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  So Fisher said people look through the veil of things.
  Fisher认为人们看清干扰信息后
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  They understand stuff and you can count on their understanding
  他们就理解本质那么你可以依靠他们
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  to guide your understanding of the economy.
  理解的情况来引导你对金融市场的理解
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  So if you know that pi_alpha--
  如果你知道Πα【表达式】
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  third, so Fisher says well,
  Fisher认为这就足够了
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  you don't have to solve for the whole equilibrium to figure out
  你不需要解出整个均衡来得出
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  what pi_beta is.
  Πβ的大小