United States v. Terminal Railroad Association, the essential facilities doctrine has been applied to a wide variety of business contexts - from football stadiums to the New York Stock Exchange. However, courts have also declined to extend the doctrine to a wide variety of situations. Despite...

The following is a compilation of short book reviews I have prepared over the past two years for the World Competition Law & Economics Review or the Institute for Consumer Antitrust Studies, Loyola University Chicago School of Law website. In one case, the book discussed was published in 2010,...

We present a model of a market failure based on a requirement provision by digital platforms in the acquisition of personal information from users of other products/services. We establish the economic harm from the market failure and the requirement using traditional antitrust methodology....

This paper evaluates the effect on competition of adopting the FTC's product hopping theory as an antitrust doctrine. The paper criticizes the theory and explains why it would be a mistake to adopt it as a guide to antitrust liability

This paper analyses the role of the European Commission in taking cases of abuse of dominance in the telecommunications sector since its liberalisation in 1998. The argument is that the Commission has played a very active antitrust role, in particular at the beginning of the liberalisation, and...

One of the most profound changes in the industrial landscape in the last decade has been the growth of business ecosystems- groups of connected firms, drawing on (digital) platforms which leverage their complementors and lock-in their customers, exploiting the “bottlenecks” that emerge in...

The digitisation of existing business models and the new way of doing business of digital platforms pose new challenges both to the performance of companies in the market and to the lives of consumers and users. The dominant digital companies are all American (Google, Facebook, Amazon, and...

Dominant digital platforms such as Google and Facebook collect personal information of users by default precipitating a market failure in the market for personal information. We establish the economic harms from the market failure. We discuss conditions for eliminating the market failure and...