拿诺奖的文章说了，好学校是把“好”学生招进来，让他们4年在一起，然后给他们个学位，学位是signaling

来源: mjnew 于 2024-12-21 08:13:54 [旧帖] [给我悄悄话] 本文已被阅读：次

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