The striking geographical concentration of economic activities suggests that there are substantial benefits to agglomeration. However, the nature of those benefits remains unclear. In this paper we take advantage of a new dataset to quantify the role of one of the main contenders - the matching...

Using data on a large sample of electronics firms in seven large states from a newly developed employer-employee matched database (Longitudinal Employer Household Dynamics, LEHD), we examine the impact of human resource management (HRM) practices and technology on worker productivity. Motivated...