In this comprehensive review of ex-post merger studies price effects of horizontal transactions are evaluated. By … combining and further analyzing the results of 52 retrospective studies on 82 mergers or merger-like transactions it can be … shown that the industry alone is no strong indication for the direction of price-related merger effects. However, the "size …

We analyze the efficiency defense in merger control. First, we show that the relationship between exogenous efficiency … find that merger proposals are largely aligned with a proper social welfare analysis which explicitly considers the without … merger counterfactual. We demonstrate that the merger specificity requirement does not help much to select socially desirable …

mergers. If this assumption held, a positive external effect of a proposed merger would represent a sufficient condition to … allow the merger. However, the empirical picture on mergers and acquisitions reveals a significant share of unprofitable … mergers and economic theory, moreover, demonstrates that privately unprofitable mergers can be the result of rational action …

procedures for merger control. We describe the main constituencies (both internal and external) involved in merger control in … both jurisdictions and discuss how a typical merger case would be handled under these procedures. At each stage, we … informal, the balance in the investigation and evaluation of the merger being provided by the credible threat of a court …

We analyze the effects of structural remedies on merger activity in a Cournot oligopoly when the Antitrust Agency (AA …) cannot observe a proposed merger's efficiency type. Provided the AA follows a consumer surplus standard, an efficient merger …

that would prevent a merger from harming consumers for 1,014 mergers affecting 12,325 antitrust markets scrutinized by the … concerns about the Commission’s merger enforcement being too lax. …

scrutinized by the European Commission between 1995 and 2014. We show that concentration, as measured by the market-specific post-merger … dimension analyzed. Strict past merger enforcement negatively correlates with concentration. Yet, this effect is stronger in the …

scrutinized by the European Commission between 1995 and 2014. We show that concentration, as measured by the market-specific post-merger … dimension analyzed. Strict past merger enforcement negatively correlates with concentration. Yet, this effect is stronger in the …