basis of the economic theory of law enforcement we identify several factors that are likely to affect its degree of …

standard applied in some merger authorisation decisions. It attempts to reconcile the role of efficiencies with the future …

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 …

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. …

We find that stricter merger control legislation increases abnormal announcement returns of targets in bank mergers by … 7 percentage points. Analyzing potential explanations for this result, we document an increase in the pre-merger … other banks. Other merger properties, including the size and risk profile of targets, the geographic overlap of merging …