来自《耶鲁大学开放课程：博弈论 第6集 第6集》

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  One is there's an incentive to cheat
  一方面大家都有违约的动机
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  and another is that other firms are going to enter.
  另一方面会有新人加入
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  Before we leave this, let's just pose the question we started with.
  下课前我们解决一下上课时提的问题
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  Suppose, in fact, we do end up back at the Cournot quantity.
  假如我们处在古诺产量的情况下
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  So here we are back at the Cournot quantity.
  现在我们处在古诺产量下
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  How does this quantity compare and how do therefore the prices compare,
  第一 该产量下的价格 产出
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  and how do profits compare with monopoly prices on the one hand,
  和垄断价格 产出相比有何不同
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  and competitive prices on the other?
  和完全竞争价格又有什么不同呢
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  So we know the quantity that's going to be produced.
  我们能够算出来产量是多少
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  We figured that out; here it is.
  我们能够算出来的
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  We know the quantities going to be produced.
  我们知道产量是多少
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  Each firm is going to produce a - c over 3b
  每家公司的产量是(a-c)/3b