来自《耶鲁大学开放课程：金融理论 第2集 第2集》

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  they're taking into account all of the tradeoffs they could make.
  他们将所有能够进行的交易考虑进去
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  So they realize the whole vector of prices.
  他们能够了解价格的方方面面
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  And market clearing means for any buyer
  市场出清意味着任何一个买家
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  there's a seller,
  都有一个卖家对应
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  so market clearing means
  市场出清意味着
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  So in this picture if I added this to this,
  因此在图上我把这两个加起来
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  this is the endowment,
  这是资产
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  so I add this vector to that vector I get this thing over here,
  我把这两个向量架起来得到了它
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  and this is going to be the total endowment in the economy.
  这就是市场中的总资产
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  So this total endowment eix,
  因此eix的综合
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  I add over every person i what the total endowment is.
  我把每个人架起来算总资产
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  So I add his endowment of X to this guy's endowment of X
  我把这两个人购买X的资产加起来