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.

Understanding the Virtues of the Robinson-Patman Act Requires Understanding When It Is Most Effective

The literature on the benefits of the Robinson-Patman Act for consumer welfare is often contradictory. Professors Roman Inderst and Tommaso Valletti argue...

Antitrust Enforcement, Inflation and Corporate Greed: What do we know?

At a recent Centre for Economic Policy Research (CEPR) event, panelists, including the Stigler Center's own Luigi Zingales, reflected on the roles...

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...

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How Financial Contracting Could Help the Police Force Manage Its Aims More Effectively

Hamid Mehran proposes funded deferred pay, an incentive structure to mitigate the risk and costs of police misconduct.

Event Notes: “China’s Political Economy” in Review

The Stigler Center's "China Political Economy" webinar series returns Thursday, February 9. Here's a reminder of what we covered in our first...

To Build an Equitable Economy, We Must Understand Capitalism’s Racist Heritage

American capitalism was built on racial exploitation, from the enslavement of Black people to institutionalized discrimination and its structural impact on our...

How To Ensure Industrial Policy Promotes Public Over Private Gain

Industrial policy was once so out of fashion that it was jokingly called “the policy that shall not be named.” Now it’s...

More than Economics, Ideology Determines US Voters’ Preferences for Redistribution

The US stands out among developed economies for its comparatively low level of redistribution as a percentage of GDP. Gustavo de Souza...

Stakeholder Motivations for “Private Sanctions” Against Russia

As the war in Ukraine enters its second year, a new study measures stakeholders’ desire to see their firms exit Russia and...

The Wicked Problem Embodied by The Twitter Files

In response to a recent ProMarket post about the Twitter Files, professor Tom Ginsburg points out that the toughest question lies in...