Economists have devoted substantial attention to firms' supply of variety, but little to consumers' demand for variety. Employing the framework of home production, we trace differences in demand to differences in the opportunity costs of activities, which are associated with investments in human...

Time-diary data from 27 countries show a negative relationship between real GDP per capita and female-male differences in total work time-work for pay and work at home. In rich non-Catholic countries on four continents men and women do about the same average amount of total work. Survey results...