Ioannis Kokkoris

Professor Ioannis Kokkoris holds a Chair in Competition Law and Economics at Queen Mary University of London. Professor Kokkoris' main research interests span all areas of competition law and policy including comparative competition law/economics and policy focusing on EU, US, BRICS and ASEAN. He is also focusing on issues of national security concerns and FDI in US, UK and EU. Professor Kokkoris has formerly served at the UK Competition and Markets Authority, DG Competition, European Commission and US Federal Trade Commission. Professor Kokkoris has more than 100 publications including more than 20 authored/co-authored books, more than 70 articles and 25 chapters in edited volumes and is on the editorial board of various international journals. Professor Kokkoris has led and worked on funded projects by the European Commission, the European Bank for Reconstruction and Development, the World Bank, the OECD, the Organisation for Security and Cooperation in Europe and other international institutions. He is a special advisor to a number of competition authorities globally and frequently advises companies on competition enforcement issues in a number of jurisdictions.

The Convoluted Regulatory Regime for M&A Assessments in the US

What happens when the goals of antitrust enforcers clash with regulators focused on issues of national security and public interest? A forthcoming book by Ioannis Kokkoris, Public Interest Considerations in US Merger Control, explores these tensions in the United States regulatory framework.

Latest news

Revising the Merger Guidelines To Return Antitrust to a Sound Economic and Legal Foundation

The draft Merger Guidelines largely replace the consumer welfare standard of the Chicago School with the lessening of competition principle found in the 1914 Clayton Act. This shift would enable the Federal Trade Commission and Department of Justice Antitrust Division to utilize the full extent of modern economics to respond to rising concentration and its harmful effects, writes John Kwoka.

How Anthony Downs’s Analysis Explains Rational Voters’ Preferences for Populism

In new research, Cyril Hédoin and Alexandre Chirat use the rational-choice theory of economist Anthony Downs to explain how populism rationally arises to challenge established institutions of liberal democracy.

The Impact of Large Institutional Investors on Innovation Is Not as Positive as One Might Expect

In a new paper, Bing Guo, Dennis C. Hutschenreiter, David Pérez-Castrillo, and Anna Toldrà-Simats study how large institutional investors impact firm innovation. The authors find that large institutional investors encourage internal research and development but discourage firm acquisitions that would add patents and knowledge to their firms’ portfolios, hampering overall innovation.

The FTC Needs To Focus Arguments on Technological Transitions After High-Profile Losses

Joshua Gray and Cristian Santesteban argue that the Federal Trade Commission's focus in Meta-Within and Microsoft-Activision on narrow markets like VR fitness apps and consoles missed the boat on the real competition issue: the threat to future competition in nascent markets like VR platforms and cloud gaming.

We Need Better Research on the Relationship Between Market Power and Productivity in the Hospital Industry

Antitrust debates have largely ignored questions about the relationship between market power and productivity, and scholars have provided little guidance on the issue due to data limitations. However, data is plentiful on the hospital industry for both market power and operating costs and productivity, and researchers need to take advantage, writes David Ennis.

Debating the Draft Merger Guidelines: Transcript

On September 7, the Stigler Center hosted a webinar to discuss the draft merger guidelines. What follows is a slightly edited transcript of the event.

Holding Up the News

Meta has silenced news organizations’ social media accounts in response to Canada’s Online News Act, a law not yet in effect. Josh Braun describes the reasoning behind such legislation, its potential flaws, and how Meta, particularly Facebook, has turned the Canadian wildfire crisis into a regulatory pressure campaign.