Our paper adds empirical evidence on the causal effects of exporting on firms' performances. Using a rich database on Italian manufacturing firms, we test the self-selection and the post-entry effects hypotheses with respect to various firms' characteristics. Our analysis supports the idea that...

The degree of endemic volatility in the number of firms and establishments varies considerably across industries. Examining the within-industry range of variation (max.-min.) of the number of firms over our sample period, the low and high values across U.S. manufacturing industries are 4 and...