evidence. Without offsetting tax increases the legislation will plausibly reduce prices but significant entry into the industry …

This paper develops a framework to appreciate the observed heterogeneity of firm size distributions and the entry and … pattern (varieties and markets) of existing firms in combination with entry/exit of firms. The empirical results are …

We empirically quantify the welfare implications of bank entry in the United States between 2000 and 2008. We use a … market outcomes. We find no evidence for under- or over-entry. Compared with the socially efficient outcome, there is a mild … significantly improves welfare under free entry. …

We build a model of firm-level innovation, productivity growth and reallocation featuring endogenous entry and exit. A … provides a good fit to the dynamics of firm entry and exit, output and R&D, and its implied elasticities are in the ballpark of ….5% because it deters entry of new high-type firms. On the contrary, substantial improvements (of the order of 5% improvement in …

competitor. We show that this mechanism is welfare improving but it generates inefficient entry. That is a more efficient …

in a duopoly that product characteristics will be efficient. Entry of a third firm will be more profitable in the fringes …. Furthermore entry results in too much variety. Finally, the paper presents a novel argument in favour of bundling. …

, obtained through price control legislation and legislation that eases the entry of generic products into the market, has caused …

of foreign entry on the productivity growth of domestic firms. In the face of foreign entry, domestic firms exhibit …. Our empirical results confirm that foreign entry indeed generates strong heterogeneous growth patterns among domestic …