Affeldt, Pauline Luise; Duso, Tomaso; Gugler, Klaus; … - 2021 - This draft: January 20, 2021
use a novel database that identifies over 20,000 product/geographic antitrust markets affected by over2,000 mergers … scrutinized by the European Commission between 1995 and 2014. We show that concentration, as measured by the market-specific post-merger … industries. In a regression analysis that exploits this within-industry variation, we show that barriers to entry are …