Merged firms are typically rather complex organizations. Accordingly, merger has a more profound effect on the structure of a market than simply reducing the number of competitors. We show that this may render horizontal mergers profitable and welfare-improving even if costs are linear. The...

This paper derives new results on the welfare effects of employment protection. Using data from 17 OECD countries, we show that there exists an inverse U-shape relationship between employment protection and economic growth. Using a simple theoretical model with non-contractible specific...