in the efficiency and productivity of U.S. banks between 1985 and 2004. We find that larger banks experienced larger … efficiency and productivity gains than small banks, consistent with the presumption that recent changes in regulation and …

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 …