The Antitrust Marathon is a long-running series of roundtable discussions sponsored by the Institute for Consumer Antitrust Studies of Loyola University Chicago School of Law and the Competition Law Forum of the British Institute of International and Comparative Law, focusing on enduring issues...

Five great attempts have been made to achieve a true international harmonization of competition law in the twentieth century. None has been successful. Despite the failures of the League of Nations, the International Trade Organization (ITO), the Economic and Social Council of the United...

This paper examines the effectiveness of the administrative fines imposed by the European Commission on cartels from an economic perspective. It reviews the theory, practice, and evidence of optimal fines and assesses whether the European Commission fines, leniency, and settlement procedures...

In dealing with telecom operator and internet mergers in the late 1990s the European Commission adopted a pessimistic view of competition based on the then emerging theory of network effects. This paper takes a short and critical look at the Commission's use of network effects theory, and its...

We investigate the impact of competition policy enforcement on the functioning of European energy markets, and how sectoral regulation influences these outcomes. For this purpose, we compile a new dataset on the European Commission’s (EC) and EU member states’ competition policy decisions,...

Tracking online user behavior is essential for targeted advertising and is at the heart of the business model of major online platforms. We analyze tracker-specific web browsing data to show how the prediction quality of consumer profiles varies with data size and scope. We find decreasing...

This report argues in favour of an economics-based approach to Article 82, in a way similar to the reform of Article 81 and merger control. In particular, we support an effects-based rather than a form-based approach to competition policy. Such an approach focuses on the presence of...

This report argues in favour of an economics-based approach to Article 82, in a way similar to the reform of Article 81 and merger control. In particular, we support an effects-based rather than a form-based approach to competition policy. Such an approach focuses on the presence of...

In Japan, newspapers enjoy a special exemption from antimonopoly prohibitions against resale price maintenance (suppliers’ stipulations that bar downstream firms from price discounting), but are each required to set uniform prices throughout Japan. In fact, the newspapers have rarely changed...

In its landmark ruling in Illinois Brick Co. v. Illinois in 1977, the U.S. Supreme Court restricted standing to sue for recovery of antitrust damages to direct purchasers. However, antitrust damages are typically (in part) passed on to intermediaries lower in the chain of production and...