December 2025: My survey on Advances in Horizontal Merger Analysis , partly based on my invited lecture at the 2020 World Congress of the Econometric Society, has finally come out in print (as part of the Econometric Society Monograph series)
November 2025: The German Research Foundation (DFG) continues to fund the Collaborative Research Center (CRC) Transregio 224 (which I am currently heading) for another four years. From January 2026, Sven Rady (University of Bonn) and I will switch roles: he will become the "spokesperson" and I will become his deputy.
September 2025: I have given the keynote lecture at the 39th Jornadas de Economía Industrial in Santander
December 2024: My paper Optimal Merger Remedies (joint work with Andrew Rhodes) has received the 2024 AdC Competition Policy Award by the Autoridade de Concorrência (the Portuguese Competition Authority)
December 2024: From January 2025, I will be a member of the Advisory Board of the International Journal of Industrial Organization
November 2024: My first publication in an academic law journal has come out in print: Geopolitical Risks and Prudential Merger Control (joint work with Massimo Motta and Martin Peitz) appeared in the Journal of European Competition Law & Practice
July 2024: My paper Acquihiring for Monopsony Power (joint work with Heski Bar-Isaac and Justin Johnson) has been accepted for publication in Management Science
May 2024: My paper Acquihiring for Monopsony Power (joint work with Heski Bar-Isaac and Justin Johnson) has been awarded the Robert F. Lanzilotti Prize for the best paper in antitrust economics presented at the 2024 IIOC Conference in Boston
January 2024: My paper An Aggregative Games Approach to Merger Analysis in Multiproduct-Firm Oligopoly (joint work with Nicolas Schutz) has been accepted for publication in the RAND Journal of Economics
January 2024: I will be giving the invited Lecture on Competition Policy and Regulation at the 58th annual meeting of the Canadian Economics Association, to be held from May 31 - June 1, 2024 in Toronto
December 2023: I have been elected to the Econometric Society's Standing Committee for "Europe and Other Areas" from January 2024
October 2023: I have been invited to give a keynote lecture at the 51st annual EARIE conference, to be held from August 30 - September 1, 2024 in Amsterdam
April 2023: My paper Consumer Search, Steering, and Choice Overload (joint work with Patrick Rey) has been accepted for publication in the Journal of Political Economy
September 2022: I will be serving as the Program Chair for the 2023 European Winter Meeting of the Econometric Society (scheduled to take place from December 17 - 19, 2023 at the University of Manchester)
August 2022: My two-year term as head of Mannheim's Department of Economics has come to a close. I will be on sabbatical leave in the fall/winter.
April 2022: My paper Collective Brand Reputation (joint work with Roland Strausz) has been accepted for publication in the Journal of Political Economy
March 2022: My paper Concentration Thresholds for Horizontal Mergers (joint work with Michael D. Whinston) has been accepted for publication in the American Economic Review
December 2021: The Handbook of Industrial Organization, vol. 5, containing my chapter on Collusion, Mergers, and Related Antitrust Issues (co-author: John Asker) has appeared in print
November 2021: The German Research Foundation (DFG) has approved a second, four-year funding period (2022-2025) for the Collaborative Research Center Transregio 224 (CRC TR 224) "Economic Perspectives on Societal Challenges: Equality of Opportunity, Market Regulation, and Financial Stability", a cooperation of the Universities of Bonn and Mannheim. I am the designated head ("speaker") of the CRC from January 2022.
September 2021: I have given the JJ Laffont Keynote Lecture at the 15th annual CRESSE conference (Crete)