Since 1996, the European Commission has been operating a leniency programme, under which companies cooperating with its cartel investigations can obtain immunity from fines or a reduction of fines. Leniency plays a prominent role in EU cartel enforcement today. This paper assesses the positive...

This paper discusses the theory and practice of leniency in antitrust enforcement, i.e. the granting of immunity from penalties or the reduction of penalties for antitrust violations in exchange for cooperation with the antitrust enforcement authorities. After a description of the practice of...

In the current system of EC antitrust enforcement, the European Commission combines the investigative and prosecutorial function with the adjudicative or decision-making function. The purpose of this article is to analyse the advantages and disadvantages of this system, in comparison with a...

Following various proposals in the academic literature, and in the light of the observed decrease in the number of leniency applications received by European competition authorities in the period 2015 – 2020, the German Monopolies Commission (Monopolkommission) proposed in 2022 to amend the...