Portrait of Prof. Dr. Justus Haucap

Prof. Dr. Justus Haucap


Prof. Dr. Justus Haucap is Director of the Düsseldorf Institute for Competition Economics (DICE) and partner of Düsseldorf Competition Economics. From July 2006 to June 2014 he was a member of the Monopolies Commission, which advises the German Federal Government on competition policy and market regulation, and was its Chairman from 2008 to 2012. Since 2013 he has been included annually in the list of the most influential economists in Germany by the Frankfurter Allgemeine Zeitung. GCR’s Who’s Who named him as "a standout figure in the German market." In 2023, he was named one of the top 10 most recommended advisors in the field of competition by the legal journal Juve.

He has contributed his expertise in all areas of competition economics, including merger proceedings (e.g. Edeka/Tengelmann, VTG/CIT, EnBW/MVV), abuse of market power and private antitrust enforcement. He has also advised numerous private and public institutions such as the European Parliament, the Federal Ministry of Finance (BMF), the Federal Ministry of Economic Affairs and Energy (BMWi), the Federal Network Agency, Deutsche Telekom, Vodafone, Sixt, RWE, EON, Siemens, UBER, the Federation of German Industries (BDI) and many others.

Justus heads the Competition Working Group of the Verein für Socialpolitik, he is deputy chairman of the Scientific Working Group for Regulatory Issues (WAR) of the Federal Network Agency, a member of the Kronberger Kreis (the scientific advisory board of the Stiftung Marktwirtschaft), the Scientific Council of the Brussels think tank Bruegel and numerous other advisory boards.
Justus’ research focuses on the economics of network industries, in particular energy and telecommunications markets, as well as on digitization (e.g. Sharing Economy). His particular interest lies in the interfaces between law and economics and the economic effects of different institutional arrangements and rules.

+49 (0) 211 130 666 31

Habilitation, University of the Federal Armed Forces Hamburg

Doctorate, University of Saarland, Saarbrücken

MSc (Diplom-Volkswirt), University of Saarland, Saarbrücken

Excerpt - for a complete list see here.

W. B. Schmal, Haucap, J. and Knoke, B. [2024], The Role of Gender and Coauthors in Academic Publication Behavior, Research Policy, forthcoming.

Frey, A., Haucap, j. [2023], VAT Pass-Through: The Case of a Large and Permanent Reduction in the Market for Menstrual Hygiene Products, International Tax and Public Finance, forthcoming.

Haucap, J. and C. Heldmann (2023), On the Sociology of Cartels, European Journal of Law and Economics.

Haucap, J. and U. Heimeshoff (2022), Kartellschadensermittlung im Spannungsfeld zwischen Präzision und Effizienz: Prinzipielle Anforderungen aus ökonomischer Perspektive und praktische Handlungsoptionen, Zeitschrift für Wettbewerbsrecht, Vol. 20(1), pp. 80-103.

Haucap, J., N. Moshgbar and W. Schmal, W. B. (2021), The impact of the German 'DEAL' on competition in the academic publishing market, Managerial and Decision Economics, Vol. 42( 8), pp. 2027– 2049.

Haucap, J., D. Fritz and S. Thorwarth (2021), „Wettbewerb und Wettbewerbsverzerrungen am Messe­standort Deutschland“, erscheint in List Forum für Finanz- und Wirtschaftspolitik.

Myovella, G., M. Karacuka and J. Haucap (2021), “Determinants of Digitalization and Digital Divide in Sub-Saharan African Economies: A Spatial Durbin Analysis”, Telecommunications Policy , Vol. 45, 102224.

Haucap, J., C. Heldman and H. Rau (2021), „Die Rolle von Geschlechtern für Wettbewerb und Kartellrecht“, Wirtschaft und Wettbewerb, Vol. 70, pp. 408-412.

Brach, T., J. Haucap and C. Koenig (2021), „Die Anwendungsperspektiven der neuen Missbrauchs­vermutung ‚Preis-Kosten-Schere‘ nach §20 Abs. PostG“, Netzwirtschaften und Recht (N&R), Vol. 18, pp. 230-238.

Lehr, W., Queder, F. and Haucap (2021), J., 5G: A new future for Mobile Network Operators, or not, Telecommunications Policy, Vol. 45 (3), 102086.

Haucap, J., U. Heimeshoff, G. Klein, D. Rickert and C. Wey (2021), Vertical Relations, Pass-through, and Market Definition: Evidence from Grocery Retailing, International Journal of Industrial Organization, Vol. 74, 102693.

Haucap, J., U. Heimeshoff and A. Rösner (2020), The Impact of Consumer Protection in the Digital Age: Evidence from the European Union, International Journal of Industrial Organization, Vol. 73, 102585.

Haucap, J., Competition and Competition Policy in a Data-Driven Economy (2019), Intereconomics, Review of European Economic Policy, Vol. 54, pp. 201-208.

Haucap, J., A. Rasch and J. Stiebale (2019), How Mergers Affect Innovation: Theory and Evidence, International Journal of Industrial Organization, Vol. 63, pp. 283-325.

Haucap, J. (2017), Merger Effects on Innovation: A Rationale for Stricter Merger Control?, Concurrences: Competition Law Review, Vol. 4, pp. 6-21.

Haucap, J., U. Heimeshoff and M. Siekmann (2017), Fuel Prices and Station Heterogeneity on Retail Gasoline Markets, The Energy Journal, Vol. 38(6), pp. 81-103.

Haucap, J. (2017), Wettbewerbsverzerrungen durch staatliche Einflussnahmen: Was tun?, ifo Schnelldienst, Vol. 70 (20), pp. 11-13.

Dertwinkel-Kalt, M., J. Haucap and C. Wey (2017), Procompetitive Dual Pricing, European Journal of Law and Economics, Vol. 41, pp. 537-557.

Hamelmann, L. and J. Haucap (2016), Wettbewerb und Kartellrecht auf Online-Plattformmärkten, ORDO: Jahrbuch für die Ordnung von Wirtschaft und Gesellschaft, Vol. 67, pp. 269-298.

Dertwinkel-Kalt, M., J. Haucap and C. Wey (2015), Raising Rivals' Cost Through Buyer Power, Economics Letters, Vol. 126, pp. 181-184.

Haucap, J. (2015), Ökonomie des Teilens –nachhaltig und innovativ? Die Chancen der Sharing Economy und ihre möglichen Risiken und Nebenwirkungen, Wirtschaftsdienst Vol. 95, pp. 91-95.

Haucap, J., U. Heimeshoff and D. Jovanovic (2014), Competition in Germany's Minute Reserve Power Market: An Econometric Analysis, The Energy Journal, Vol. 35, pp. 139-158.

Haucap, J. and U. Heimeshoff (2014), Google, Facebook, Amazon, eBay: Is the Internet Driving Competition or Market Monopolization?, International Economics and Economic Policy, Vol. 11, pp. 49-61.