Tommaso Valletti

Tommaso Valletti is a Professor of Economics and currently heads the Department of Economics & Public Policy at Imperial College London. He was the Chief Competition Economist of the European Commission between 2016 and 2019, when he led the economic analysis on many large mergers (e.g. Bayer/Monsanto, Microsoft/LinkedIn, Siemens/Alstom), state aid, and antitrust cases (e.g. Google Android, Qualcomm exclusivity, Mastercard and VISA). He has published in the fields of industrial economics, regulation, and competition economics.

How to Tame the Tech Giants: Reverse the Burden of Proof in Merger Reviews

Most tech acquisitions are approved without a hitch, despite growing evidence that they bring little benefit, because regulators are waging an uphill...

Why Big Tech Companies Should Engage With Academia, and Why They Don’t

“Academic engagement” of a Big Tech firm: that job should exist. But it has not happened, and it probably won’t happen, unless...

“An Offer We Can’t Refuse”: How We Gave Away Our Data and Made Big Tech What It Is Today

WhatsApp’s new terms of service should come as no surprise. For years, Big Tech has been offering its users these “take it...

“Doubt is Their Product”: The Difference Between Research and Academic Lobbying

Tommaso Valletti, the former Chief Competition Economist of the European Commission, reflects on the intersection of academic economics and policymaking and offers...

Latest news

Data is Abundant But is it Accessible to Researchers?

Despite the wide availability of data, ensuring independent access to data sources has never been more crucial. How can researchers engage in...

Private Labels in Online Marketplaces

On their store shelves, Walmart has its own products under the "Great Value” brand, and Tesco has its own “Everyday Value” products....

Bolsonaro’s reelection may become a setback for ESG in Brazil

Social pressures, market forces and elected leaders influence corporate decisions on environmental, social and governance (ESG) issues. Journalist Stephanie Tondo examines the...

2023 Antitrust and Competition Conference: Call for Papers

The Stigler Center is inviting submissions of short academic articles (up to 3000 words) focused on the development of a legal/economic...

ProMarket Seeks New Deputy Managing Editor

We're hiring! Many ProMarket readers will now know that Asher Schechter, former deputy editor at...

Five New Pieces You Should Read from Chicago Booth Review

Chicago Booth Review recently published its fall issue covering a variety of new research. We suggest five articles from the issue on...

How to Converge the US and European Antitrust Approaches Toward Big Tech

The growing consensus that Big Tech platforms need to be restrained creates a unique opportunity for international cooperation among antitrust enforcers. The...