post-merger efficiency improvements to reveal a new margin of adjustment along the product dimension. We analyze horizontal … between differentiated varieties. After a merger, acquirers drop products from their consolidated domestic product portfolio … and reallocate assets towards core varieties. We further demonstrate that such merger-induced efficiency gains imply …

We study the evolution of EC merger decisions over the first 25 years of common European merger policy. Using a novel … dataset at the level of the relevant antitrust markets and containing all merger cases scrutinized by the Commission over the … definition and the complexity of the merger. Simple, linear probability models as usually applied in the literature overestimate …

that would prevent a merger from harming consumers for 1,014 mergers affecting 12,325 antitrust markets scrutinized by the … concerns about the Commission’s merger enforcement being too lax …

-level uncertainty is characterized by a pecking order: the announcement of a domestic takeover leads to a reduction in the uncertainty …

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 …

market outcome after a national or an international merger has taken place. In this paper we study the implications for … merger policy when countries non-cooperatively deploy production-based taxes. We find that whether national or international … structure of firms. When all firms are owned domestically in the pre-merger situation, non-cooperative tax policies are more …

Economic theory suggests that monopoly prices hurt consumers but benefit shareholders. But in a world where individuals …