The Directorate General for Competition at the European Commission enforces competition law in the areas of antitrust, merger control, and State aid. After providing a general presentation of the role of the Chief Competition Economist’s team, this article surveys some of the main developments...

This article discusses the economic effects of mergers in homogeneous goods markets. We start our analysis by assessing the origins of market power in homogeneous goods markets, considering both (long-run) capacity competition and (short-run) price competition. We then turn to the change in...