"Human capital-based theories of cities suggest that large, economically diverse urban agglomerations increase worker productivity by increasing the rate at which individuals acquire skills. One largely unexplored implication of this theory is that workers in big cities should see faster growth...

Despite the remarkable improvement of female labor market characteristics, a sizeable gender wage gap exists in Colombia. We employ quantile regression techniques to examine the degree to which current small differences in the distribution of observable characteristics can explain the gender...

Address before the LeMoyne-Owen College, Memphis, March. 25, 2004

Workers, being human beings, present employers with a range of tricky problems. Humans, unlike filing cabinets, can be crooked, subversive, surly, or indolent, even if they are paid on time. In this article we explore economists' main models of how compensation is used to address employee...

Human capital-based theories of cities suggest that large, economically diverse urban agglomerations increase worker productivity by increasing the rate at which individuals acquire skills. One largely unexplored implication of this theory is that workers in big cities should see faster growth...