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 evidence production in merger control as a delegation problem in an inquisitorial competition policy system …. The antitrust agency’s incentives to produce evidence on the efficiency of a merger proposal depend critically on its … implemented only after evidence on the efficiency of a merger proposal has been produced. …

Competition in some markets is a contest. This paper studies the merger incentives in such markets. Merger can be … profitable. The profitability depends on the post-merger contest st ructure, the discriminatory power of the contest and on the …

. Even if market concentration and technological disadvantages lead to a significant welfare reduction after merger, from …