Prof. Dr. Christian Wey

Professor, Chair for Economics, in particular, Regulation and Competition Economics

Düsseldorf Institute for Competition Economics (DICE)
Heinrich Heine University Düsseldorf
Universitätsstr. 1
40225 Düsseldorf
Germany

Building: 24.31, Room: 01.12
Tel: +49 211 81-15055

Educational Background
07/2003	Habilitation, Humboldt University Berlin
07/1998	Dr. rer. pol., Saarland University, Saarbrücken
05/1997	MA (Economics), Indiana University, Bloomington, IN, USA
05/1993	Dipl.-Kaufmann (equivalent to MBA), Saarland University, Saarbrücken

Positions
since 09/2020	Arbitration Board for Digital Health Applications: nonpartisan deputy member
since 05/2010	Professor, Chair for Competition and Regulatory Economics, Dusseldorf Institute for Competition Economic, Heinrich-Heine University Düsseldorf
12/2003 - 05/2010	Professor, in particular, Networks and Information and Communication Economics, Technische Universität Berlin
12/2003 - 05/2010	Head of the Departement Information Society and Competition, German Institute for Economic Research (DIW), Berlin
05/1998 - 12/2003	Research Fellow, Social Science Research Center (WZB), Berlin
05/1997 - 04/1998	Doctoral scholarship of the Landesgraduiertenförderung des Saarlandes, Center for the Study of the New Institutional Economics, Saarland University, Saarbrücken
10/1996 - 05/1997	Horstmann Fellow, Department of Economics, Indiana University Bloomington, IN
05/1993 - 09/1996	Doctoral Researcher, Institute for Theoretical Economics, Saarland University, Saarbrücken

Representative Publications
Dertwinkel-Kalt, M., Wey, C. (2023), Why “Energy Price Brakes” Encourage Moral Hazard, Raise Energy Prices, and Reinforce Energy Savings, RAND Journal of Economics, forthcoming. Döpper, H./Sapi, G./Wey, C. (2024), A Bargaining Perspective on Vertical Integration, Canadian Journal of Economics, 57(1), 199-224 Dertwinkel-Kalt, M., Wey, C. (2023), Resale Price Maintenance in a Successive Monopoly Model, Journal of Industrial Economics, forthcoming. Baye, I., Von Schlippenbach, V., Wey, C. (2018), "One-Stop Shopping Behavior, Buyer Power, and Upstream Merger Incentives", Journal of Industrial Economics, Vol. 66, 66-94. Dertwinkel-Kalt, M., Wey, C. (2016), Merger Remedies in Oligopoly under a Consumer Welfare Standard, Journal of Law, Economics, and Organization, 32(1), 150-179. Suleymanova, I., Wey, C. (2011), Bertrand Competition in Markets with Network Effects and Switching Costs, B.E. Journal of Economic Analysis & Policy 11 (Contributions) Article 56. Inderst, R., Wey, C. (2011), "Countervailing Power and Dynamic Efficiency", Journal of the European Economic Association, Vol. 9(4), 702-720.

Representative Publications

Dertwinkel-Kalt, M., Wey, C. (2023), Why “Energy Price Brakes” Encourage Moral Hazard, Raise Energy Prices, and Reinforce Energy Savings, RAND Journal of Economics, forthcoming.
Döpper, H./Sapi, G./Wey, C. (2024), A Bargaining Perspective on Vertical Integration, Canadian Journal of Economics, 57(1), 199-224
Dertwinkel-Kalt, M., Wey, C. (2023), Resale Price Maintenance in a Successive Monopoly Model, Journal of Industrial Economics, forthcoming.
Baye, I., Von Schlippenbach, V., Wey, C. (2018), "One-Stop Shopping Behavior, Buyer Power, and Upstream Merger Incentives", Journal of Industrial Economics, Vol. 66, 66-94.
Dertwinkel-Kalt, M., Wey, C. (2016), Merger Remedies in Oligopoly under a Consumer Welfare Standard, Journal of Law, Economics, and Organization, 32(1), 150-179.
Suleymanova, I., Wey, C. (2011), Bertrand Competition in Markets with Network Effects and Switching Costs, B.E. Journal of Economic Analysis & Policy 11 (Contributions) Article 56.
Inderst, R., Wey, C. (2011), "Countervailing Power and Dynamic Efficiency", Journal of the European Economic Association, Vol. 9(4), 702-720.

Recent Research
Dertwinkel-Kalt, M., Wey, C. (2023), Third-degree Price Discrimination in Oligopoly When Markets are Covered, Journal of Industrial Economics, 71, 464-490. Fritz, D., Schröder, B., Wey, C. (2022), Creating the Single Market: The AB InBev Case in Perspective, Concurrences N° 4-2022, Art. N° 108966, 36-42. Jovanovic, D., Wey, C., Zhang, M. (2021), On the Social Welfare Effects of Runner-up Mergers in Concentrated Markets, Economics Bulletin, Article A201. Dertwinkel-Kalt, M., Wey, C. (2021), "Evidence Production in Merger Control: The Role of Remedies", Review of Industrial Organization, 59, 1-12. Haucap, J., Heimeshoff, U., Klein, G., Rickert, D., Wey, C. (2021), Vertical Relations, Pass-through, and Market Definition: Evidence from Grocery Retailing, International Journal of Industrial Organization, 74 (January 2021), 102693. Dertwinkel-Kalt, M., Wey, C., "Multi-Product Bargaining, Bundling, and Buyer Power", Economics Letters, Vol. 188 (2020), 108936. Aghadadashl, H., Dertwinkel-Kalt, M., Wey, C., "The Nash Bargaining Solution in Vertical Relations With Linear Input Prices", Economics Letters, Vol. 145 (2016), 291-294.

Recent Research

Dertwinkel-Kalt, M., Wey, C. (2023), Third-degree Price Discrimination in Oligopoly When Markets are Covered, Journal of Industrial Economics, 71, 464-490.
Fritz, D., Schröder, B., Wey, C. (2022), Creating the Single Market: The AB InBev Case in Perspective, Concurrences N° 4-2022, Art. N° 108966, 36-42.
Jovanovic, D., Wey, C., Zhang, M. (2021), On the Social Welfare Effects of Runner-up Mergers in Concentrated Markets, Economics Bulletin, Article A201.
Dertwinkel-Kalt, M., Wey, C. (2021), "Evidence Production in Merger Control: The Role of Remedies", Review of Industrial Organization, 59, 1-12.
Haucap, J., Heimeshoff, U., Klein, G., Rickert, D., Wey, C. (2021), Vertical Relations, Pass-through, and Market Definition: Evidence from Grocery Retailing, International Journal of Industrial Organization, 74 (January 2021), 102693.
Dertwinkel-Kalt, M., Wey, C., "Multi-Product Bargaining, Bundling, and Buyer Power", Economics Letters, Vol. 188 (2020), 108936.
Aghadadashl, H., Dertwinkel-Kalt, M., Wey, C., "The Nash Bargaining Solution in Vertical Relations With Linear Input Prices", Economics Letters, Vol. 145 (2016), 291-294.

Teaching and Research Interests
Christian Wey has been teaching Microeconomics, Economic Policy and Industrial Economics at both the bachelor and the master level. He is currently teaching Advanced Microeconomics and Network Economy at the graduate level. His research focuses on market power in intermediary goods markets. Other areas include merger analysis, unionized oligopolies, and network markets.

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