Imperial College London


Business School

Professor of Economics



+44 (0)20 7594 9215t.valletti Website CV




417City and Guilds BuildingSouth Kensington Campus





Tommaso Valletti is Professor of Economics at Imperial College Business School. He is also Adjunct Professor at the Norwegian School of Economics. He has previously taught at the London School of Economics,  Rome "Tor Vergata", Telecom ParisTech/Ecole Polytechnique, and Turin. Tommaso has a magna cum laude degree in engineering and a flute diploma from Turin, and holds a MSc and a PhD in economics from the London School of Economics.

Tommaso is the Director of the Centre for Economic Policy Research (CEPR) Research and Policy Network on Competition Policy. He was the Head of the Department of Economics & Public Policy at Imperial College Business School (2019-2023). He was the Chief Competition Economist of the European Commission (Directorate General for Competition) between 2016 and 2019 and a Non-Executive Director to the board of the Financial Conduct Authority (2019-2022).

Tommaso's main research interests are in industrial economics, regulation, and competition economics. Tommaso has held several editorial positions (Editor of Information Economics & Policy, Associate Editor of the Journal of Industrial Economics and of Economica). He has published numerous articles in journals such as the American Economic ReviewEconomic Journal, Information Systems ResearchJournal of the European Economic Association, Journal of Industrial Economics, Journal of International Economics, Management Science, Marketing Science, RAND Journal of EconomicsReview of Economics and Statistics and Review of Economic Studies. For a full list see

He is a Fellow of CEPR, CESifo and of ENCORE. He is a member of the panel of academic advisors to Ofcom, the UK communications regulator. He was also a member of the panel of academic advisors of the UK Competition Commission. He was a board director of Consip, the Italian Public Procurement Agency, in 2002-2005. He has advised numerous bodies, including the European Commission, OECD, and the World Bank on topics such as network interconnection, mobile telephony markets, and spectrum auctions.

Selected Publications

Journal Articles

Prat A, Valletti T, 2022, Attention oligopoly, American Economic Journal-Microeconomics, Vol:14, ISSN:1945-7669, Pages:530-557

Gavazza A, Nardotto M, Valletti T, 2019, Internet and politics: Evidence from U.K. local elections and local government policies, Review of Economic Studies, Vol:86, ISSN:1467-937X, Pages:2092-2135

Montes R, Sand-Zantman W, Valletti T, 2019, The Value of Personal Information in Online Markets with Endogenous Privacy, Management Science, Vol:65, ISSN:0025-1909, Pages:1342-1362

Valletti T, Nardotto M, Verboven F, 2015, Unbundling the incumbent: Evidence from UK broadband, Journal of the European Economic Association, Vol:13, ISSN:1542-4774, Pages:330-362

Bandiera O, Prat A, Valletti T, 2009, Active and passive waste in government spending: Evidence from a policy experiment, American Economic Review, Vol:4, Pages:1278-1308

More Publications