Publications

Publications in refereed Journals

A Retrospective Study of State Aid Control in the German Broadband Market (with Mattia Nardotto and Jo Seldeslachts)

Journal of the European Economic Association, 2025, forthcoming

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Wettbewerbspolitik und Industriepolitik unter einem Hut (with Martin Peitz)

Perspektiven der Wirtschaftspolitik, 2025, 26 (3), 323-343 .

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Broadband and Productivity: Structural Estimates for Germany  (with Mattia Nardotto and Alexander Schiersch)

Journal of Economic Behaviour & Organization, 2025, 237, 107133

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Let’s switch to the cloud: cloud usage and its effect on labor productivity (with Alexander Schiersch)

Information Economics and Policy, 2025, 70, 101130

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The Evolution of Theories of Harm in EU Merger Control (with Lea Bernhardt and Joanna Piechucka)

Oxford Review of Economic Policy, 2025, 40, 4, 729-762

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Airbnb and Rental Markets: Evidence from Berlin (with Claus Michelsen, Maximilian Schaefer, Kevin Ducbao Tran)

Regional Science and Urban Economics, 2024, 1004007

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Revisiting the relatedness hypothesis: The impact of merger relatedness on acquiring and rival firm value  (with Joe Clougherty)

Long Range Planning, 2023, 102325

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R&D Spillovers through RJV Cooperation (with Albert Banal-Estañol, Jo Seldeslachts, and Florian Szücs)

Research Policy, 2022, 51, 4, 104465

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The assessment of substitution through event studies – an application to supply-side substitution in Berlin’s rental market (with Claus Michelsen, Maximilian Schaefer, Kevin Ducbao Tran)

Journal of European Competition Law and Practice, 2022, 13, 7,  509–515

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The Effect of Mergers on Variety in Grocery Retailing (with Elena Argentesi, Paolo Buccirossi, Roberto Cervone, and Alessia Marrazzo),

International Journal of Industrial Organization, 2021, 79, 102789 

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Twenty-five Years European Merger Control: The Determinants of the Commission's Decisions, (with Pauline Affeldt and Florian Szücs)

International Journal of Industrial Organization, 2021, 76, 102720

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Merger Policy in Digital Markets: An Ex-Post Assessment (with Elena Argentesi, Paolo Buccirossi, Emilio Calvano,  Alessia Marrazzo, Salvatore Nava)

Journal of Competition Law and Economics,  2021, 17, 1, 95-140

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Transformational Strategies and Productivity Growth: A Transformational-Activities Perspective on Stagnation in the New-Normal Business Landscape (with Lorenzo Ciari, Joseph Clougherty, and Jo   Seldeslachts)

Journal of Management Studies, 2020, 57, 3, 537-568

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Abuse of Dominance and Antitrust Enforcement in the German Electricity Market (with Veit Böckers and Florian Szücs)

Energy Economics, 2020, 92, 104936 

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The Impact of Competition Policy Enforcement on the Functioning of EU Energy Markets, (with Jo Seldeslachts and Florian Szücs)

The Energy Journal, 2019, 40, 5, 97-120

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Market Power and Heterogenous Pass-through in the German Retail Electricity Market (with Florian Szücs)

European Economic Review, 2017, 98, 354-372

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Ex-post Merger Evaluation in the UK Retail Market for Books (with Luca Aguzzoni, Elena Argentesi, Lorenzo Ciari, and Massimo Tognoni)

Journal of Industrial Economics, 2016, 64, 1, 170-200

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Effective European Antitrust: Does EC Merger Policy Involve Deterrence? (with Joseph Clougherty, Miyu Lee, and Jo Seldeslachts)

Economic Inquiry, 2016, 54, 4, 1884–1903

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Why are Chinese MNEs not Financially Competitive in Cross-border Acquisitions? The Role of State-ownership, (with Joseph Clougherty and Wenxin Guo)

Long Range Planning, 2016, 9, 614-631

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Correcting for Self-Selection Based Endogeneity in Management Research: Review, Recommendations and Simulations, (with Joseph Clougherty and Johannes Muck)

Organizational Research Methods, 2016, 19, 2, 286-347

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Collusion through Joint R&D: An Empirical Assessment (with Lars-Hendrik Röller and Jo Seldeslachts)

The Review of Economics and Statistics, 2014, 96, 2, 349-370

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The Welfare Impact of Parallel Imports: A Structural Approach Applied to the German Market for Oral Antidiabetics (with Annika Herr and Moritz Suppliet)

Health Economics, 2014, 23, 1036-1057

Awarded the 2015 Research Award from the German Association for Health Economics

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A Retrospective Merger Analysis in the UK Videogames Market (with Luca Aguzzoni, Elena Argentesi, Paolo Buccirossi, Lorenzo Ciari, Massimo Tognoni, and Cristiana Vitale)

Journal of Competition Law and Economics, 2014, 10, 4, 933-958

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An Empirical Assessment of the 2004 EU Merger Policy Reform (with Klaus Gugler and Florian Szücs)

Economic Journal, 2013, 123, 572, F596-F619

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Competition Policy and Productivity Growth: An Empirical Assessment, (with Paolo Buccirossi, Lorenzo Ciari, Giancarlo Spagnolo, and Cristiana Vitale),

The Review of Economics and Statistics, 2013, 95, 4, 1324-1336

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Product Market Competition and Lobbying Coordination in the U.S. Mobile Telecommunications Industry, (with Astrid Jung)

Journal of Industry, Competition, and Trade, 2012, 12, 2, 177-201

Awarded the Young Economist Award, European Economic Association

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On the Stability of Research Joint Ventures: Implications for Collusion (with Enrico Pennings and Jo Seldeslachts)

Review of Business and Economic Literature, 2012, 57, 1, 98-108 

Using Rival Effects to Identify Synergies and Improve Merger Typologies, (with Joseph Clougherty)

Strategic Organization, 2011, 9, 310-355

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How Effective is European Merger Control? (with Klaus Gugler and Burcin Yurtoglu)

European Economic Review, 2011, 55, 7, 980-1006

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Measuring the Deterrence Effect of Competition Policy: The Competition Policy Indexes, (with Paolo Buccirossi, Lorenzo Ciari, Giancarlo Spagnolo, and Cristiana Vitale)

Journal of Competition Law and Economics, 2011, 7, 165-204

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Learning Dynamics in Research Alliances: A Panel Data Analysis, (with Enrico Pennings and Jo Seldeslachts)

Research Policy, 2010, 39, 6, 776-789

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The Political Economy of Mobile Telecommunications Liberalization: Evidence from the OECD Countries,  (with Jo Seldeslachts)

Journal of Comparative Economics, 2010, 38, 2, 199-216

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Is the Event Study Methodology Useful for Merger Analysis? A Comparison of Stock Market and Accounting Data, (with Klaus Gugler and Burcin Yurtoglu)

International Review of Law and Economics, 2010, 30, 186-192

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The Impact of Horizontal Mergers on Rivals: Gains to Being Left Outside a Merger (with Joseph Clougherty)

Journal of Management Studies, 2009, 46, 8, 1365-1395

SAP Best Strategy Paper Award, Annual Conference on Corporate Strategy

[Download] [Press coverage: Handelsblatt, Financial Time Deutschland]

A Short Overview of a Methodology for the Ex-Post Review of Merger Control Decision (with Paolo Buccirossi, Lorenzo Ciari, Sven-Olof Fridolfsson, Giancarlo Spagnolo, and Cristiana Vitale)

De Economist, 2008, 156, 4, 453-47

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The Political Economy of European Merger Control: Evidence Using Stock Market Data, (with Damien Neven and Lars-Hendrik Röller)

The Journal of Law and Economics, 2007, 50, 3, 455-489

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Market Conduct and Endogenous Lobbying: Evidence from the U.S. Mobile Telecommunications Industry, (with Astrid Jung)

Journal of Industry, Competition, and Trade, 2007,  7, 9-29

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Lobbying and Regulation in a Political Economy: Evidence from the U.S. Cellular Industry, 

Public Choice, 2005, 122, 3-4, 251-276

[Download] Awarded the Young Economists’ Essay Award, EARIE

Endogenous Deregulation: Evidence from OECD Countries (with Lars-Hendrik Röller)

Economics Letters, 2003, 81,1, 67-71

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Complete Markets in Italy: An Analysis on Micro Data

Giornale degli Economisti ed Annali di Economia, 1999, 58, 1, 1-25

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Chapters in refereed Books 

Deterrence in Competition Law, (with Paolo Buccirossi, Lorenzo Ciari, Giancarlo Spagnolo, and Cristiana Vitale) 

in Martin Peitz and Yossi Spiegel Eds. Analysis of Competition Policy and Sectoral Regulation, Boston -- Delft: Now Publishers Inc, 2014, 423-454

A Decade of Ex-post Merger Policy Evaluations: A Progress Report, 

in Dan Sjöblom Ed., The Pros and Cons of Merger Control, Stockholm: Swedish Competition Authority, 2012, 125-188

Merger Policy Evaluation: Where Do We Stand?, (with Klaus Gugler and Florian Szücs) 

in Mel Marquis and Philip Low Eds., European Competition Law Annual 2010: Merger Control in European and Global Perspective, Wildy and Son, London, 2010, forthcoming

Merger Remedies, (with Klaus Gugler and Burcin Yurtoglu)

in: S. Vogt, M. Albert, and D. Schmidtchen Eds., The More Economic Approach to European Competition Law, Conferences on the New Political Economy 24, Mohr Siebeck Verlag: Tübingen, 2007, 255-266

EU Merger Remedies: An Empirical Assessment, (with Klaus Gugler and Burcin Yurtoglu) 

in J. Stennek and V. Ghosal Eds., The Political Economy of Antitrust, Contributions to Economic Analysis, North-Holland, 2007, 302-348. 

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Analyse von Abhilfemaßnahmen im EU-Fusionsverfahren, 

in J. Schwarze Herausgeber, Recht und Ökonomie im Europäischen Wettbewerbsrecht, Nomos Verlag, 2006, s. 71-83

Books

The Political Economy of the Regulatory Process: An Empirical Approach, Humboldt-University Dissertation, 2002, Berlin