来自《耶鲁大学开放课程：博弈论 第5集 第5集》

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  www.YYeTs.net
  人人影视
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  if, for each I, so for each player I,
  对于任意此集合内的参与人I
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  her choice, so her choice here is Si*,
  她所选择的策略Si*
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  i is part of that profile is a best response to the other players' choices.
  是其他参与人所选策略的最佳对策
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  Of course, the other players' choices here are S*-i
  当然其他参与人的策略要用S*-i表示
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  so everyone is playing a best response to everyone else.
  也就是说每个参与人都选择了最佳的对策
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  Now, this is by far the most commonly used solution concept in Game Theory.
  纳什均衡目前是博弈论最常用的解概念
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  So those of you who are interviewing for McKenzie or something,
  比如去麦肯锡之类的公司面试时
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  you're gonna find that they're gonna expect you to know what this is.
  你会发现公司要求面试者掌握纳什均衡
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  So one reason for knowing what it is,
  为什么我们要掌握纳什均衡呢
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  is because it's in the textbooks,
  不仅因为它是教材内容
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  it's going to be used in lots of applications,
  它有很多实用价值