Bryan Caplan & Charles Murray on “Selfish Reasons to Have More Kids”

Bryan Caplan starts speaking at 5:47. Charles Murray starts speaking at 47:47. I thought this was very interesting, and should be interesting to anyone interested in behavioural genetics.

Credit to the Cato Institute. Source: 在家DIY的最佳美甲://www.cato.org/multimedia/events/selfish-reasons-have-more-kids