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 …

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 …

use a dynamic model to measure the impact of large entrants on productivity, allowing for a controlled productivity …, we find that incumbents' productivity increase after large entry and that the magnitude of the increase declines with the … productivity of incumbents. Our findings highlight that large entrants play a crucial role in driving productivity growth. …

markets. We use a dynamic structural model to estimate retail productivity in a local market setting. In particular, we … provide a general strategy of how to measure the causal effect of entry of large stores on productivity separate from demand … in Sweden, we find that large entrants force low productivity stores to exit and surviving stores to increase their …

influence sector-level panel regression results for outcome variables such as productivity, investment and labour inputs. …