"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...

"One of the most robust findings emerging from studies of industrial agglomeration is the rise in productivity that tends to accompany it. What most studies have not addressed, however, is the potential role played by human capital externalities in driving this relationship. This paper seeks to...