The duration of merger proceedings held by competition authorities is an important determinant of the efficiency of the … entire merger control process. We use a dataset of 2953 Phase I and 92 Phase II investigations completed by the European … also provide evidence that the significant increase in average duration identified after the 2004 merger regulation reform …

actually reduce consumer surplus which opposes the use of an efficiency defense in merger control. …

We analyze the effects of structural remedies on merger activity in a Cournot oligopoly when the antitrust agency … induces strictly price-decreasing mergers. Finally, under incomplete information an effcient merger type is to be doomed to …

assess merger control's effectiveness. By using data gathered from several sources and employing different evaluation … techniques, we analyze the economic effects of the European Commission's (EC) merger control decisions and distinguish between … merging and rival firms' stocks to quantify the profitability effects of mergers and merger control decisions. We back up our …

, we contrast a measure of the merger's profitability based on event studies with one based on accounting data. We find …

reactions around the day of the merger's announcement provide information on the first question, whereas the stock market … hypotheses on the effects that remedies are supposed to achieve depending on the merger's competitive outcome. We isolate several … merging firms' bargaining power during the second phase of the merger review. …