The quest stands on the blade of a knifehttps://twitter.com/toad_spotted/status/985595288181231616 …
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i think one feeds into the other
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fair enough but there is a big difference between comparative statics whereby polygamists replace monogamists and “ “ where sustained cooperation becomes impossible and rewards to monogamy fall
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ESS refers to the latter only, the former would have a Nash equilibrium
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Hmm, I was thinking about "under what circumstances are a set of behavioral strategies evolutionarily stable?"
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first thing, distinguish between strategy as a phenotype and strategy as a “play” in the pay-off matrix if you model ppl as responding to incentives (like instability of marriage) and you want to talk about ESS you need to model...
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...population heterogeneity as different evaluation functions (or w/e) that make ppl more/less attracted to the monogamous “play”
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the ESS concept only makes sense when the “strategy” in q (here: the individual’s pay-off function) is transmitted to the next generation via reproductive success
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yes? i'm not sure that's contradictory to my original formulation. the question is what kinds of decision rules could be an ESS, and under what ecological circumstances. many skeptics of monogamy act as tho it could never be an ESS, which is false. That said, ecologies change.
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