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. …

the period 1990-2002 to assess the effectiveness of European merger control. The basic idea is to relate announcement and … decision abnormal returns. Under a set of four maintained assumptions, merger control might be interpreted to be effective if … rents accruing due to the increased market power observed around the merger announcement are reversed by the antitrust …

I conduct an event study on the proposed $26.5 billion merger between Sprint and T-Mobile. Positive and statistically … and Verizon is consistent with a market power interpretation of the merger. AT&T's returns appear unaffected by news of …

concentrations during the period 1990-2002 to assess the effectiveness of European merger control. We analyze the economic effects of … the European Commission's merger control decisions and distinguish between prohibitions, clearances with commitments … quantify the profitability effects of mergers and merger control decisions. The basic idea is to relate announcement and …