Over the last years, several reports highlighted the market power of very large online platforms that are gatekeeping intermediaries between businesses and consumers, and the difficulty for classic competition policy tools to deal effectively with anti-competitive practices in these platforms....

• Pay-for-delay cases raise fundamental points of law, including the notion of (potential) competition and restriction by object.• According to the rich case law addressing the relationship between Article 101(1) TFEU and intellectual property – including Nungesser and BAT (Toltecs-Dorcet)...

The question if antitrust policy should protect new entrants is related to the schism between “protection of competition” and “protection of competitors” in Article 102 TFEU. As it was not always clear that the aim of Article 102 TFEU was consumer welfare, the US claimed that the EU was...

An increasing body of empirical evidence is documenting trends toward rising concentration, profits, and markups in many industries around the world since the 1980s. Two major criticisms of these studies is that concentration and market shares are poorly measured at the national industry level...

An increasing body of empirical evidence is documenting trends toward rising concentration, profits, and markups in many industries around the world since the 1980s. Two major criticisms of these studies is that concentration and market shares are poorly measured at the national industry level...

This paper contains an economic and legal analysis of the lawsuit Microsoft vs. U.S. Department of Justice beginning with the District Court's decision on June 7, 2000 up to the Proposed Final Judgement on November 6, 2001. I found that the courts' underlying economic paradigm regarding the...

Economic analysis of competition regulation is most developed in the domain of horizontal mergers, and modern agency guidelines reflect a substantial consensus on the appropriate template for merger assessment. Nevertheless, official protocols are understood to rest on a problematic market...

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 1990-2014 period, we evaluate how consistently...

Worldwide, the overwhelming majority of large horizontal mergers are cleared by antitrust authorities unconditionally. The presumption seems to be that efficiencies from these mergers are sizeable. We calculate the compensating efficiencies that would prevent a merger from harming consumers for...

Food and Drug Administration (FDA) citizen petitions have received attention as a possible means of inhibiting generic pharmaceutical competition. Citizen petitions are submissions designed to alert the FDA to possible scientific and safety issues related to regulated products or agency...