Computational antitrust promises not only to help antitrust agencies preside over increasingly complex and dynamic markets, but also to provide companies with the tools to assess and enforce compliance with antitrust laws. If research in the space has been primarily dedicated to supporting...

The European Union legislature and courts leave the European Commission a wide discretion in dealing with antitrust complaints submitted to it. The principal external constraint is that if the Commission chooses not to pursue a formal complaint, it must reject it by means of a reasoned decision,...

International cartelists today face antitrust investigations and possible fines in a score of national and supranational jurisdictions. This paper aims at providing quantitative information about the size and impacts of international cartel activity in Asia and uses a sample of modern private...

Complexity science is widely used across the policy spectrum but not in antitrust. This is unfortunate. Complexity science enables a rich understanding of competition beyond the simplistic descriptions of markets and firms proposed by neoclassical models and their contemporary neo-Brandeisian...

The Sherman Act establishes free competition as the rule governing interstate trade. Banning private restraints cannot ensure that competitive markets allocate the nation’s resources. State laws can pose identical threats to free markets, posing an obstacle to achieving Congress’s goal to...

Telecommunications in South Africa is one example of the regulatory state, dating from the early 1990s and comprising the usual elements of commercial operators, ministers issuing periodic policies, a regulator, a competition authority, systems of appeal, and parliamentary oversight. Less...

A fallacy lies at the core of modern antitrust. The ascendance of the consumer welfare standard is a story often told. Yet existing narratives overlook the pivotal role that output has played--and continues to play--in shaping the contemporary antitrust enterprise. That role has gone unnoticed...

Regulation and competition policy are two alternative modalities by which the state intervenes in the market. In order for either to deliver welfare gains, there must first be a pre-existing market failure. We first present different varieties of market failures and identify those for which...

In this conceptual paper, I propose a framework for measuring the market power of digital platforms. The rise of big technology companies that act both as intermediary platforms and providers of services and goods in several markets has heightened concerns about potential economic harms brought...

This special issue marks the 25th anniversary of the introduction of a leniency program for antitrust in the EU and contains five original papers: Each paper examines the effects of design parameters of leniency programs on their performance. Before introducing each contribution separately, we...