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国外有一个故事:一天,一个富翁在家中被杀,财物被盗。警方在破案的过程中,抓到两个嫌疑犯汤姆和彼得,并从他们的住处搜出丢失的财物。可他们矢口否认曾杀过人,于是警方将两人隔离审讯,分别对他们说,你们的偷盗罪已证据确凿,可以判每人1年刑期。但是,我可以和你做个交易:如果你单独坦白杀人的罪行,我只判你3个月的监禁,但你的同伙要被判10年刑;如果你拒不坦白,而被同伙检举,那么你将被判10年刑,他只判3个月的监禁。如果你们两人都坦白交代,那么,你们都要被判5年刑。汤姆和彼得怎么办呢?显然最好的策略是两人都抵赖,那么大家都只被判1年刑。但是处于隔离状态,他们无法串供。从有利于自己的角度出发,他们都会进行这样
A story abroad: one day, a millionaire was killed at home, stolen property. In the process of solving the crime, the police arrested two suspects, Tom and Peter, and found the missing belongings from their place of residence. However, they denied that they had killed anyone. The police quarantined the two men separately and said to them, "Your steal has proven to be true and you can convict you for one year in prison. However, I can deal with you: If you confess solely to kill a crime, I will only sentence you to 3 months ’imprisonment, but your accomplice will be sentenced to 10 years’ imprisonment. If you refuse to be honest, Then you will be sentenced to 10 years, he only sentenced to 3 months in jail. If both of you confessed, then, you all have to be sentenced to 5 years. What should Tom and Peter do? Obviously the best strategy is to both deny them, and then everyone is only sentenced to one year’s sentence. But in isolation, they can not provide strings. From their own point of view, they all do this