to realize a return on investment (18.4% versus 4.7%, p = 0.05) and to improve productivity (47.4% versus 25.6%, p = 0 …

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 …

, somewhat surprisingly in light of the difficulty of achieving productivity gains in services, we also find that services labor … productivity grew at a healthy pace in much of the region. Overall our analysis provides substantial cause for optimism about the …

The correlation between a firm’s size and its productivity level varies considerably across OECD countries, suggesting … that some countries are more successful at channelling resources to high productivity firms than others. Accordingly, we … examine the extent to which regulations affecting product, labour and credit markets influence productivity, via their effect …