fertility and greater parental investment in children; (ii) a rise in married female labor-force participation; (iii) a decline … in marriage and a rise in divorce; (iv) a higher degree of assortative mating; (v) more children living with a single …

fertility and greater parental investment in children; (ii) a rise in married female labor-force participation; (iii) a … significant decline in marriage and a rise in divorce; (iv) a higher degree of positive assortative mating; (v) more children …

Societies socialize children about many things, including sex. Socialization is costly. It uses scarce resources, such … as time and effort. Parents weigh the marginal gains from socialization against its costs. Those at the lower end of the …, leading to a de-stigmatization of sex. As contraception has become more effective there is less need for parents, churches and …