We study the evolution of the EC’s merger decision procedure over the first 25 years of European competition policy …. Using a novel dataset constructed at the level of the relevant markets and containing all merger cases over the 1990 … importance of barriers to entry and the risk of foreclosure has increased in the EC’s merger assessment following the 2004 merger …

We study optimal merger policy in a dynamic model in which the presence of scale economies implies that firms can … the period the merger is proposed. We also find that the abil- ity to commit can lead to a significant welfare improvement …

Introduction -- Mergers and merger policy in the U.S. : an overview -- Evaluating merger outcomes -- Guide to merger … analysis using difference-in-differences (Daniel Greenfield) -- Merger retrospectives : two studies -- Mergers and product … prices -- Merger policy and remedies -- Retrospective studies of groups of mergers -- Summary of findings and concluding …

affected firms' margins and merger activity. We find that these programs, which give amnesty to cartel conspirators that … merger review process might be a prerequisite for strengthening anti-collusion enforcement …