We study the effect of a merger between two Dutch supermarket chains to assess its effect on the depth as well as … composition of assortment. We adopt a difference-in-differences strategy that exploits local variation in the merger's effects …, controlling for selection on observables through a matching procedure when defining our control group. We show that the merger led …

Revisions incorporated into the Horizontal Merger Guidelines in 2010 claim that the Department of Justice and the …

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 …

's takeover strategy and the decision problem of the antitrust authority. We derive implications for a merger control approach to … acquirer firm to learn the merger synergies with the target firm in advance. The realization of a synergy is uncertain ex ante …, so that a direct merger exhibits a downside risk not only for the merging candidates but also for consumers. We show that …

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 …

We study optimal merger policy in a dynamic model in which the presence of scale economies implies that firms can … the period the merger is proposed. We also find that the abil- ity to commit can lead to a significant welfare improvement …

We analyze the effects of structural remedies on merger activity in a Cournot oligopoly when the antitrust agency … induces strictly price-decreasing mergers. -- Remedies ; Divestiture ; Merger Control ; Oligopoly ; Synergies …

mergers. If this assumption held, a positive external effect of a proposed merger would represent a sufficient condition to … allow the merger. However, the empirical picture on mergers and acquisitions reveals a significant share of unprofitable … merger policy conclusions: while several insights of the original analysis are corroborated (f.i. efficiency defence), a …