Imperial College London


Business School

Professor of Economics



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




285Tanaka BuildingSouth Kensington Campus






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

Tommaso is the Director of the PhD Programme at Imperial College Business School. He is currently on leave, as he has been appointed Chief Competition Economist of the European Commission (Directorate General for Competition) as of September 2016.

Tommaso's main research interests are in industrial economics, regulation, and telecommunications 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, Journal of Economic PerspectivesMarketing Science, and RAND Journal of Economics. For a full list see

He is a Fellow of CEPR 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. Tommaso was Academic Director of the Centre for Regulation in Europe ( in Brussels, in 2012-2016. 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

Genakos C, Valletti T, 2011, TESTING THE "WATERBED" EFFECT IN MOBILE TELEPHONY, Journal of the European Economic Association, Vol:9, ISSN:1542-4766, Pages:1114-1142

Bandiera O, Prat A, Valletti T, 2009, Active and Passive Waste in Government Spending: Evidence from a Policy Experiment, American Economic Review, Vol:99, ISSN:0002-8282, Pages:1278-1308

Inderst R, Valletti T, 2009, Price discrimination in input markets, RAND Journal of Economics, Vol:40, ISSN:0741-6261, Pages:1-19

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