%0 Journal Article %J Behavioral and Brain Sciences %D 2016 %T How evolved psychological mechanisms empower cultural group selection %A Henrich, J. %A Boyd, R. %B Behavioral and Brain Sciences %V 39 %P doi: 10.1017/S0140525X15000138 %G eng %U http://journals.cambridge.org.ezp-prod1.hul.harvard.edu/action/displayAbstract?fromPage=online&aid=10224984&fulltextType=RA&fileId=S0140525X15000138