来自《耶鲁大学开放课程：金融理论 第4集 第4集》

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  (3 fourths log 2) (one quarter log 1) that's the welfare of A,
  A的福利为三分之四乘上二的对数加四分之一乘上一的对数
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  and the welfare of B will be (2 thirds log 1) (1 third log 2),
  B的福利为三分之二乘上一的对数加三分之一乘上二的对数
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  and the welfare of B will be (2 thirds log 1) (1 third log 2),
  B的福利为三分之二乘上一的对数加三分之一乘上二的对数
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  so that'll be some point here.
  那么就有一些点
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  so that'll be some point here.
  那么就有一些点
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  So this is welfare B, welfare A at initial endowment.
  这分别是A和B在初始投资的福利
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  So this is welfare B, welfare A at initial endowment.
  这分别是A和B在初始投资的福利
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  And then if you look at the welfare at the final allocation,
  然后你看到最后分配后的福利
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  And then if you look at the welfare at the final allocation,
  然后你看到最后分配后的福利
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  so, (3 fourths log 9 fifths) (1 quarter log 3 halves) you know
  三分之四乘九分之五的对数加四分之一乘三分之二的对数
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  so, (3 fourths log 9 fifths) (1 quarter log 3 halves) you know
  三分之四乘九分之五的对数加四分之一乘三分之二的对数
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  it's going to be something like this.
  会是这样