Welcome to my webpage

I am Head of the  Firms and Markets Department at the Deutsches Institut für Wirtschaftsforschung (DIW Berlin) and a professor of empirical industrial economics at the Düsseldorf Institute for Competition Economic (DICE) of the Heinrich-Heine University

My research interests are in applied econometrics in the fields of industrial organization, law and economics, and management. Some specific topics are competition policy, merger control, regulation, mergers, research joint ventures, lobbying, and institutions. 

My papers have been published in The Review of Economics and Statistics, The Economic JournalThe Journal of Law and Economics, European Economic Review, and Journal of Managements Studies among other academic journals.

I have advised several public bodies, such as various DGs of the European Commission and the UK Competition Commission, on competition policy issues.

News (February 11, 2013)

The German Science Foundation (DFG) granted a project on

The Department Innovation, Manufacturing and Service at the Deutsches Institut für Wirtschaftsforschung (DIW Berlin) that I am heading changed its name to Firms and Markets. A press release in German can be found here.

Recent Discussion Papers

Recent Publications

Deterrence in Competition Law, (with Paolo BuccirossiLorenzo CiariGiancarlo Spagnolo, and Cristiana Vitale) in Martin Peitz and Yossi Spiegel Eds. Analysis of Competition Policy and Sectoral Regulation, Boston -- Delft: Now Publishers Inc, forthcoming

See also the column on