Why do cities differ so much in productivity? We document that most of the measured dispersion in productivity across US cities is spurious and reflects granularity bias: idiosyncratic heterogeneity in plant-level productivity and size, combined with finite plant counts. As a result, economies...

This paper covers a continuous and longer time period than previously possible to examine human and market capital because of research by Christian (2017). This paper focuses on the presentation and analysis of trends in human capital by gender. During 1975-2012 there were significant changes in...