Productivity Differences Across Employers: The Role of Employer Size, Age, and Human Capital

摘要

Recent research using longitudinal micro- economic databases on businesses and individ- uals has uncovered tremendous heterogeneity. Across businesses, even within narrowly defined Industrial sectors, we observe large differences In the levels and grown rates of inputs, outputs, And productivity. Across workers, even control- Ling for demographic characteristics, wage and Employment outcomes vary a great deal, and There are sizable worker flows across jobs in the Economy.