Found 3 comments on HN
yonran · 2019-03-27 · Original thread
Oops. I linked to some other book with a similar name. This is the correct book:
hga · 2010-09-28 · Original thread
This sort of cultural heritability is the foundation of the thesis of A Farewell to Alms ( ... which I should really get around to reading).
jdminhbg · 2010-04-28 · Original thread
Actually, that change took place well before the introduction of reliable birth control. See "A Farewell To Alms" for an account of the transition from resource-limited birth rates to the modern world:

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