Very few things upset me quite like women slut-shaming each other. Yet it happens so frequently that I’ve begun to wonder whether there is a deeper mechanism at play. Of course, the first place I began my investigation at was game theory.

Let’s begin with the Marriage Supermarket. In a heterosexual marriage marketplace, 10 men are given $10 each to propose to 10 women (the gendered unidirectional nature of the example will make sense in a bit). Marriage occurs once a woman accepts an offer from a man, and all the negotiations are open and all partners are commoditized (no…

Lorenzo Barberis Canonico

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