来自《耶鲁大学开放课程：博弈论 第6集 第6集》

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  We're Coca-Cola and Pepsi,
  我们是可口可乐和百事可乐公司
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  so we really don't want to have to bring the mafia in,
  我们都不想将黑手党卷进来
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  Although maybe we do, I don't know.
  可能也希望他们介入吧 谁知道呢
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  So basically, we're stuck with this verbal agreement
  但不管怎样 在这个口头协议不起作用
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  and we both have an incentive to cheat
  我们都有违约
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  and produce more whatever it is, sugar water.
  生产更多这种糖水的动机
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  Now, in practice, this is not the only problem facing two firms
  实际上 这并非两个想维持垄断产量的
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  who are trying to produce the monopoly output.
  企业需要面对的唯一问题
• 
  
  In practice, when firms try and have these agreements,
  现实中 公司想要达成这样的协议
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  which are not contracts, to try and produce joint monopoly output,
  而非合同 想要维持垄断产量
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  what else goes wrong?
  还会遇到什么问题呢
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  So you can imagine some firms trying to have an agreement.
  你想一下 企业想要达成协议