I think you'll find it's a bit less complicated than that
There are only three forms of family structure, got it. Then what are the causes of cohabitation and single motherhood? Culture (e.g. Haidt/Schwartz, Economy, Authoritarianism), Genetics (e.g. Life History, IQ, Personality), both?
There are only three forms of family structure, got it. Then what are the causes of cohabitation and single motherhood? Culture (e.g. Haidt/Schwartz, Economy, Authoritarianism), Genetics (e.g. Life History, IQ, Personality), both?