They make the markets work because if you didn't have this there would be all kinds of crooks and bad actors.

监管使得市场有序运行,如果缺乏监管,市场就会充斥着不法商人

耶鲁公开课 - 金融市场课程节选

Suppose they have a written contract, or even an unwritten contract, what enforces the contract for colluding firms or crooks in jail?

假如他们签了一份书面协议,或干脆口头的,他们怎么强制履行呢

耶鲁公开课 - 博弈论课程节选

Good, so in the standard story you've got these two crooks, or two accused crooks, and they're in separate cells and they're being interviewed separately--kept apart--and they're both told that if neither of them rats the other guy out, they'll go to jail for say a year.

在故事里有两个罪犯,他们都被指控了 被分别关进了牢房,他们俩被单独提审,两人都知道如果他们不坦白,他们都要只需要坐一年牢

耶鲁公开课 - 博弈论课程节选