来自《耶鲁大学开放课程：博弈论 第7集 第7集》

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  they actually ship based on demand.
  相应地调整产量
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  Depends on--I don't want to be too rigorous about that
  这方面我不想太绝对
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  because you could imagine the other way around,
  因为你们可能会想象其他的情形
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  but if you talk to managers
  但如果你们和那些经理谈过
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  this sounds more realistic,
  现在的模型会更贴近现实
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  at least for retail goods like Coke and Pepsi.
  至少对于可乐这样的零售产品而言
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  So we know how prices are set,
  现在我们知道了价格是怎么决定的
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  they're set by the firms,
  它们是由公司决定的
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  so the next question is where do the quantities come from?
  下一个问题是产量怎样得到
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  so how do--where do the quantities from?
  那么产量是怎么来的呢
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  And they're going to come from demand.
  它们是由需求决定的
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  And let me use a big Q(P) to be the total quantity produced--
  用Q(P)代表总产量