Refereed Journal Articles

  1. Does Online Access Promote Research in Developing Countries? Empirical Evidence from Article-Level Data. Research Policy, 2020, 49(2), (with Marc Scheufen and Patrick Waelbroeck), Available at:
  2. Access to Digital Car Data and Competition in Aftersales Services. Journal of Competition Law and Economics, 2020, 16(1), 116-141 (with Bertin Martens), Available at: 
  3. Multilateral Stability and Efficiency of Trade Agreements: A Network Formation Approach. The World Economy, 2020, 43(2), 355-370 (with Nathalie Jorzik), Available at:
  4. Replication Studies in Economics: How Many and Which Papers Are Chosen for Replication, and Why? Research Policy, 2019, 48(1), 62-83 (with Benedikt Fecher, Dietmar Harhoff and Gert G. Wagner), Available at:
  5. Indirect Copyright Infringement Liability for an Internet Service Provider: An Application of the Theory of the Economics of Contracts under Asymmetric Information. Review of Economic Research on Copyright Issues, 2018, 15(2), 57-79 (with Richard Watt), Available at:
  6. How Many More Cites is a $3,000 Open Access Fee Buying You? Empirical Evidence from a Natural Experiment. Economic Inquiry, 2018, 56(2), 931-954 (with Richard Watt), Available at:
  7. Open Access to Research Data: Strategic Delay and the Ambiguous Welfare Effects of Mandatory Data Disclosure. Information Economics and Policy, 2018, 42, 20-34 (with Patrick Andreoli-Versbach), Available at:
  8. Leading-Effect, Risk-Taking and Sabotage in Two-Stage Tournaments: Evidence from a Natural Experiment. Journal of Economics and Statistics (Jahrbücher für Nationalökonomie und Statistik), 2017, 237(1), 1-28 (with Patrick Andreoli-Versbach), Available at:
  9. Open Access to Data: An Ideal Professed but Not Practiced. Research Policy, 2014, 43(9), 1621-1633 (with Patrick Andreoli-Versbach), Available at:
  10. Neglected Infectious Diseases: Are Push and Pull Incentive Mechanisms Suitable for Promoting Drug Development Research? Health Economics, Policy and Law, 2013, 8(2), 185-208, Available at:
  11. Parallel Trade and its Ambiguous Effects on Global Welfare. Review of International Economics, 2012, 20(1), 177-185, Available at:
  12. The Google Book Search Settlement: A Law and Economics Analysis. Review of Economic Research on Copyright Issues, 2011, 8(1), 7-50 (with Marc Scheufen), Available at:
  13. Copyright and Open Access for Academic Works. Review of Economic Research on Copyright Issues, 2010, 7(1), 45-65 (with Richard Watt), Available at:
  14. Does Parallel Trade Freedom Harm Consumers in Small Markets? Croatian Economic Survey, 2009, 11(1), 11-41, Available at:

Papers under Review

  1. Is There a Gender Wage Gap in Online Labour Markets? Evidence from Over 250,000 Projects and 2.5 Million Wage Bill Proposals, Revise-and-Resubmit (with Estrella Gomez-Herrera)
  2. Optimal Pricing and Quality of Academic Journals and the Ambiguous Welfare Effects of Forced Open Access: A Two-Sided Market Model, Revise-and-Resubmit (with Richard Watt)

Work in Progress

  1. Artificial Intelligence Projects and Skills on Online Labor Market Platforms (with Nestor Duch-Brown, Estrella Gomez-Herrera and Songül Tolan)
  2. Transparency and Worker Behaviour on Online Labour Market Platforms (with Estrella Gomez-Herrera, Karin Hoisl and Myriam Mariani)
  3. Taxation on Online Labor Platforms (with Estrella Gomez-Herrera and Ulrich Laitenberger)
  4. Does Data Disclosure Promote the Diffusion of Knowledge? Empirical Evidence from a Natural Experiment in Leading Economics Journals (with Mark McCabe)
  5. Downstream Price Discrimination and the Ambiguous Welfare Effects of Downstream Competition (with Jürgen Eichberger)
  6. The Impact of the Enactment of the Madrid Protocol on Trademark Flows: Empirical Evidence from the US (with Kyriakos Drivas)

Chapters in Refereed Handbooks and Books

  1. Copyright and Parallel Trade. In: Watt, Richard (ed.), Handbook on the Economics of Copyright, Edward Elgar, Cheltenham, 2014, 287-310
  2. Academic Publishing and Open Access. In: Handke, Christian and Ruth Towse (eds.), Handbook on the Digital Creative Economy, Edward Elgar, Cheltenham, 2013, 365-377 (with Marc Scheufen)
  3. Strict Liability versus Negligence. In: Michael Faure (ed.), Tort Law and Economics. Edward Elgar, Cheltenham, 2009, 3-45 (with Hans-Bernd Schäfer)
  4. Creating R&D Incentives for Medicines for Neglected Diseases: An Economic Analysis of Parallel Imports, Patents, and Alternative Mechanisms to Stimulate Pharmaceutical Research, Gabler, Wiesbaden, 2009 (Ph.D. thesis)

Policy Reports

  1. The Economics of Ownership, Access and Trade in Digital Data. JRC Digital Economy Working Paper 2017-01 (with Néstor Duch-Brown and Bertin Martens)
  2. The Digital Transformation of News Media and the Rise of Fake News: An Economic Perspective, JRC Digital Economy Working Paper 2018-02 (with Luis Aguiar, Estrella Gomez-Herrera and Bertin Martens)
  3. Trade, Competition and Welfare in Global Online Labour Markets: A 'Gig Economy' Case Study. JRC Digital Economy Working Paper 2017-05 (with Estrella Gomez-Herrera and Bertin Martens)