stores and product categories, we find that more liberal entry regulation increases productivity and decreases the adjustment … incumbents obtain more benefits in markets with restrictive regulation. Generous liberalizations of entry induce net exit of …

We examine the impact of two important non-tariff measures presumed to simultaneously affect firms’ decisions to export … the EU entry price system acts like an export tax, inhibiting tomatoes export to the EU, but only at the intensive margin. …

differences are important in determining whether learning effects boost productivity after export market entry …There is extensive empirical evidence pointing to the exsistence of sunk costs to exporting. Only higher productivity … firms can profitably cover these and enter export markets. This is the standard explanation for the regularity with which …

relationship between the size of the firms and their export volume turns out to be significantly positive …