Dominant or apparently dominant internet platform increasingly become subject to both antitrust investigations and further-reaching political calls for regulation. While Google is currently in the focus of the discussion, the next candidate is already on the horizon - the ubiquitous online...

In competition law, the problem of the optimal design of institutional and procedural rules concerns assessment processes of the pro- and anticompetitiveness of business behaviors. This is well recognized in the discussion about the relative merits of different assessment principles such as the...

The ministerial proposal for a 10th amendment of the German competition law particularly addresses abuse control and seeks to tighten this pillar of competition policy against the background of the challenges from the digital economy. Next to extending the classic policy instruments of abuse...

This comment addresses the opinion of the Advocate General (AG) of the European Court of Justice on the pending case European Super League versus UEFA/FIFA. It takes a critical perspective on selected aspects of the opinion’s reasoning from a (sports) economics perspective. Highlighting the...

In this paper, we comment on the debate about guidelines for Art. 102 TFEU in the face of the challenges brought by digital ecosystems and abuse of dominance in related markets. We take the perspective of dynamic competition economics and derive four recommendations for the future enforcement of...

I examine Google's pattern and practice of tying to leverage its dominance into new sectors. In particular, I show how Google used these tactics to enter numerous markets, to compel usage of its services, and often to dominate competing offerings. I explore the technical and commercial...

The digital revolution has reinvigorated the discussion about the problem how to consider innovation in the application of competition law. This raises difficult questions about the relationship between competition and innovation as well as what kind of assessment concepts competition...

This article aims to provide a detailed analysis of the concept of economic dependence and exploitative abuse through their evolution in competition law and economics and in European case law. First, while the theoretical roots of these concepts may be found in economic theory, we show that the...

When firms collude and charge supra-competitive prices, consumers can bring antitrust lawsuits against the firms. When the litigation cost is low, firms accept the cost as just another cost of doing business, whereas when the cost is high, the firms lower the price to deter litigation. Class...

In this paper, we discuss from an economic perspective two alternative views of restrictions of competition by sports associations. The horizontal approach views such restrictions as an agreement among the participants of a sports league with the sports association merely representing an...