State-wide reports on police traffic stops and searches summarize very large populations, making them potentially powerful tools for identifying racial bias, particularly when statistics on search outcomes are included. But when the reported statistics conflate searches involving different...

According to <link rid="b26">Pareto (1896)</link>, 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,...

In 1900 only 6% of unwed teenage 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...