Leniency programs reduce sanctions for law violators that self-report. We focus on their ability to deter cartels and organized crime by increasing incentives to "cheat" on partners. Optimally designed "courageous" leniency programs reward the first party that reports with the fines paid by all...

Recidivism has in the last few years attracted much attention and controversy in the context of EU antitrust enforcement. The treatment of recidivism by the European Commission and the EU Courts has often been criticized, and the observed incidence of recidivism has led to some questioning of...

I present the following proposal: information revealed during non-cartel investigations by competition law enforcement authorities, such as evaluation of M&As or investigation of monopolization (dominance) conduct, should be directly used to investigate and prosecute cartels. Currently, in...

This paper discusses discretion and prioritisation in public antitrust enforcement, in particular in the enforcement of EU antitrust law. First, the paper defines the notion of discretion and discusses the rationale of discretion. Second, it examines the enforcement of Articles 101 and 102 TFEU...

This article shows that private enforcement of the U. S. antitrust laws-which usually is derided as essentially worthless-serves as a more important deterrent of anticompetitive behavior than the most esteemed antitrust program in the world, criminal enforcement by the Antitrust Division of the...

The EC antitrust prohibitions are regularly invoked in private litigation as a shield. Private parties also play an important role in public antitrust enforcement through complaints to the competition authorities. However, in marked contrast with the situation in the US, private actions for...

This brief text is based on the commentary delivered by the authors at the 5th Annual Conference of the Global Competition Law Centre: The Commission's review of regulation 1/2003. (Brussels, 11 June 2009). The organisers of the conference invited the authors to take the role of "discussant" and...

Based on a sample of 64 cartels convicted by the European Commission from 1975 to 2009 and a methodology allowing to estimate restitution and dissuasive fines to be imposed on cartels from microeconomic variables on a case by case basis, this paper compares the level of fines actually inflicted...

This paper deals with the application of the principle of 'ne bis in idem' in EC antitrust enforcement. The principle of 'ne bis in idem', laid down in Article 4 of Protocol 7 to the European Convention on Human Rights and in Article 50 of the Charter of Fundamental Rights of the European Union,...