concentration in the legal framework for the antitrust review of horizontal mergers and evaluates the extent to which modern … coordinated and unilateral competitive effects of merger. The central issue considered is when and how market shares, and market … concentration statistics derived from them, form an appropriate basis for presuming harm to competition from merger. This revision …

, and must identify, from the entire set of mergers, those that require further investigation. Merger screens are critical …The US Department of Justice and Federal Trade Commission receive notification regarding thousands of mergers per year … to efficient and effective merger enforcement policy, but traditional market share-based screens are often ineffective …

evidence indicates that vertical mergers are generally procompetitive or benign and, as the Agencies have previously stated …, “vertical mergers merit a stronger presumption of being efficient than do horizontal mergers.”3. A clear statement that the … net it out. The prima facie case should not, however, extend to netting the two out, but rather to showing that the merger …

In 2016 the Federal Trade Commission (“FTC”) lost motions for preliminary injunction in two separate hospital mergers … courts' opinions in these two hospital merger cases and discuss the ways in which the district courts erred in their analyses … and how the appeals courts' decisions will affect future merger cases …

I quantify efficiencies that were created following a horizontal merger between Coca-Cola and Glaceau, the manufacturer … fixed cost efficiencies affected equilibrium market outcomes. I find that, compared to a "no merger" baseline in year 2009 …, the merger reduced the prices of Glaceau products by 3.5%-5.2% and increased product varieties by 18.8%-35.8%, advertising …

debut was dramatic. On July 3, 2001, the European Commission blocked the $42 billion merger between GE and Honeywell. A … proposed GE-Honeywell merger to address the concerns raised by bundling. We set out the theory as put forth by the Commission …

John Kwoka's Mergers, Merger Control, and Remedies is a meta-analysis of “retrospective” academic studies of … consummated mergers and other horizontal arrangements. Based on this meta-analysis, Kwoka strongly criticizes federal enforcement … policies, claiming that the agencies permit far too many anticompetitive mergers to go unchallenged, and are far too willing to …

Most quantitative tools for assessing competitive effects of mergers rely heavily on recapture ratios (also known as … recapture ratios which can be usefully applied in merger and competition cases …