薛兆丰经济学讲义 · highlighted by fengyukongzhou

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薛兆丰

沉没成本是不能够收回的成本。按照常理，我们都应当尽量避免付出那些不必要的沉没成本。但如果我们故意付出一些不必要的沉没成本，就会让别人觉得我们打算长期干下去，不会事情做到一半就走人，就能够取信于人。

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