A very brief historical discussion of marriage, divorce, and out-of-wedlock births in England and France.

In 1900 only six percent of unwed females engaged in premarital sex. Now, three quarters do. The sexual revolution is studied here using an equilibrium matching model, where the costs of premarital sex fall over time due to technological improvement in contraceptives. Individuals differ in their...

According to Pareto (1896), the distribution of income depends on ``the nature of the people comprising a society, on the organization of the latter, and, also, in part, on chance.'' In the model developed here the ``nature of the people'' is captured by attitudes toward marriage, divorce,...

Societies socialize children about sex. This is done in the presence of peer-group effects, which may encourage undesirable behavior. Parents want the best for their children. Still, they weigh the marginal gains from socializing their children against its costs. Churches and states may...