The human capital investment model with endogenous labor supply is generalized to consumer and health behaviors while retaining the tractability of comparative-static analysis of a single first-order condition. Accounting for the endogenous specialization responses is essential to properly...

Some of the important implications of the parental investment model of intergenerational mobility have been derived under the assumption that parental income is the main source of heterogeneity. We explicitly model the variability and inheritability of innate' earnings ability and the...

We argue that a sensible measure of the aggregate value of human capital is the ratio of total labor income per capita to the wage of a person with zero years of schooling. The reason for that is that total labor income not only incorporates human capital, but also physical capital: given human...