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

Should the European Union Require Tech Firms to Adopt a Common Charger?

According to a new European Commission directive expected to be approved in the next few months, tech firms will have to use...

Chart of the Week: Economists Don’t Think Congress Should Make Price Gouging Illegal

Most economists disagree with a new bill in the US that would set limits on "unconscionably excessive prices," according to a recent...

Neoliberal Economists Are Giving Biden Bad Advice on Inflation

To spare the economy from the pain of further interest rate hikes, the President should aggressively pursue anticompetitive conduct by companies in...

How Would the Big Tech Self-Preferencing Bill Affect Users? 

The Senate looks to be nearing a vote on the American Innovation and Choice Online Act, which would prohibit gatekeeping digital platforms...

New eBook Revisits George Stigler’s Theory of Regulatory Capture 50 Years Later

To mark the 50-year anniversary of George Stigler’s seminal piece, “The Theory of Economic Regulation” we are publishing a new eBook examining...

Firms Gerrymander Ownership of Polluting Plants to Reap Public and Regulatory Benefits

New research has discovered that many companies who appear to sell, or ‘divest,’ their toxic plants, actually retain relationships with their buyers....

How Should Antitrust Deal With Facebook? A Stigler Center Panel Investigates

Panelists at the Stigler Center’s recent antitrust conference look at the antitrust case against Facebook and discuss potential theories of harm, as...