use a novel database that identifies over 20,000 product/geographic antitrust markets affected by over 2,000 mergers … 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 …

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 …

Traditional economic theory of collusion assumed that cartels are inherently unstable, and yet some manage to operate …

In several European merger cases competition authorities have demanded that the merging firm auctions off virtual …

affect upstream market definition. Our theory model predicts that, under reasonable conditions, higher pass-through rates …

dataset at the level of the relevant antitrust markets and containing all merger cases scrutinized by the Commission over the …We study the evolution of EC merger decisions over the first 25 years of common European merger policy. Using a novel … 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 …Worldwide, the overwhelming majority of large horizontal mergers are cleared by antitrust authorities unconditionally … concerns about the Commission’s merger enforcement being too lax …