This article looks at the growing use of the counterfactual approach in European and UK competition laws. The term counterfactual has not been a feature of European competition law, with the exception of merger control, to date. However, with the move to an effects-based approach,...

Based on an analysis of cartel prosecutions since 2007, this article assesses the way the European Commission has built up its fines in practice. The fines are compared with those imposed by the European Commission over the period from 1999 to 2006. The main findings are that, while fines have...

Delineation of the relevant market constitutes a pivotal part of most antitrust cases. The standard analysis utilizes a sequential approach. First, the product market is delineated; then the geographical market is defined. Demand and supply substitution in both the product dimension and the...

This paper examines the effects of European Commission's (EC) new leniency program on the EC's capabilities in detecting and deterring cartels. As a supplementary analysis, the US leniency is studied. I discuss a dynamic model of cartel formation and dissolution to illustrate how changes in...

This paper examines the effects of European Commission's (EC) new leniency program on the EC's capabilities in detecting and deterring cartels. As a supplementary analysis, the US leniency is studied. I discuss a dynamic model of cartel formation and dissolution to illustrate how changes in...

The paper explores what macroeconomic factors can tell us about the effectiveness of recently enacted national competition laws. Qualitative evidence suggests that numerous countries fall short in implementing competition law. Furthermore, there seems to be significant differences between...