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 …

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 …

are robust to a range of approaches to address the endogeneity of firms' merger decisions …