Mergers realize heterogeneous competitive effects on profits, production, and prices. To date, it is unclear whether differential merger outcomes are caused mostly by firms' technology or product market attributes. Furthermore, empirical merger studies conventionally assume that, conditional on...

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...