The government proposes to give a new Digital Markets Unit (DMU) powers to regulate firms in digital markets. This new ex ante regulatory approach is designed to overcome the claimed inadequacies of existing competition law to regulate the digital sector yet will be housed in the Competition and...

The UK Office of Fair Trading (OFT) has been a highly rated competition law enforcer. Yet its antitrust performance activities fall far short of this image. Here a critical assessment is made of the OFT's antitrust enforcement activities, and the claim that there is quantitative survey evidence...

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...