This paper analyzes the productivity in the US rail industry for the period 1980 - 2006. I propose a value … productivity gains can be attributed to returns to scale and the reshuffling of resources to more efficient firms. However …, productivity slows down for the period 1995 - 2000 after important concentrations. I also look at the correlations between firm …

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 …

establishment entry and exit drive immigrant-induced job creation and a rightward shift of the productivity distribution in U ….S. local industries. High-productivity establishments are more likely to enter and less likely to exit in high immigration … environments, whereas low-productivity establishments are more likely to exit. These dynamics result in productivity growth. A …

rapidly raising productivity while making workers redundant. This paper explores the evidence for this view among the IT …-using U.S. manufacturing industries. There is some limited support for more rapid productivity growth in IT … expectations, is that output contracts in IT-intensive industries relative to the rest of manufacturing. Productivity increases …

hypotheses. First, that most of the recent increase in the dispersion of wages and productivity has occurred across … establishments and these changes are linked. Second, that the increased dispersion in wages and productivity across establishments is …-plant measures of wage and productivity dispersion have increased substantially over the last few decades; and (4) a significant …