The 2010 revision of the Merger Guidelines highlighted the importance of both economic modeling of the post-merger … sufficient data, it is possible to see how actual merger analyses are using this information. Two samples are studied. For 16 … recent merger litigations (all enjoined), sophisticated economic modeling is credited as relevant in eight court decisions …

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 …

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

attack mergers raises the question of whether merger enforcement has been ineffective. But there is another explanation. The … developed when it comes to mergers involving nascent competitors. Merger analysis under Hart-Scott-Rodino is a predictive … been anticompetitive and cemented dominance. The forthcoming revisions to the merger guidelines hopefully will address some …

to the merger. We show that a PPO reduces the minimal synergy level necessary to make a merger beneficial for consumers …. It follows that an antitrust authority ignoring existing PPOs when evaluating merger proposals (which reflects the … current EU merger control regime) invites sneaky takeovers: Acquiring firms strategically use PPOs prior to a full merger …

is an important enhancement of substantive merger appraisal, it should not be considered sufficient in itself for the … finding of a significant impediment to effective competition in terms of Article 2 of the EU Merger Regulation (EUMR). Rather …

affects antitrust reviews of merger transactions. We find that acquirers and targets located in the political districts of …

. We structure our discussion around the fundamentals of merger analysis: market definition, competitive effects, entry …

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 …