Publications

• Beefing IT up for your Investor? Engagement with Open Source Communities, Innovation and Startup Funding: Evidence from GitHub (with Annamaria Conti and Maria Roche), forthcoming in Organization Science. Best Paper Award at Strategy Science Conference. Last working paper version.

• Open at the Core: Moving from Proprietary Technology to Building a Product on Open Source Software (with Jérémie Haese), forthcoming in Management Science. Last working paper version.

• The Economics of Copyright in the Digital Age (with Margaritha Windisch), forthcoming in Journal of Economic Surveys. Last working paper version. Article on ProMarket.

• Copyright and the Dynamics of Innovation in Artificial Intelligence (2025), Proceedings of the 58th Hawaii International Conference on System Sciences, nominated for Best Paper Award.

• Reproducibility in Management Science (2024, with Fišar, M., et al. as a member of the Management Science Reproducibility Collaboration). Management Science, 70(3), 1343-1356. Last working paper version. 

• The Editor and the Algorithm: Recommendation Technology in Online News (2024, with Ananya Sen and Jörg Claussen). Management Science, 70(9), 5816-5831. Last working paper version. Best Paper Award at WISE.

• The Welfare Effects of Mobile Internet Access: Evidence from Roam-Like-At-Home (2024, with Martin Quinn and Miguel Godinho de Matos). The Economic Journal, 134(659), 1228–1246. Last working paper version.

• Copyright Levies and Cloud Storage: Ex-ante Policy Evaluation with a Field Experiment (2024). Research Policy, 53(2), 104918.

• Batman Forever? The Role of Trademarks for Reuse in the US Comics Industry (2023, with Alexander Cuntz and Franziska Kaiser). Research Policy, 52(8), 104820. Last working paper version.

• Regulatory Spillovers and Data Governance: Evidence from the GDPR (2022, with Stefan Bechtold, Michail Batikas and Tobias Kretschmer). Marketing Science, 41(4), 318-340. Last working paper version, short presentation. VoxEU Article. 

• Digitization, Prediction and Market Efficiency: Evidence from Book Publishing Deals (2022, with Imke Reimers). Management Science, 68(9), 6355-7064. Last working paper version. Publishers Weekly Article.

• Video Killed the Radio Star? Online Music Videos and Recorded Music Sales (2020, with Tobias Kretschmer). Information Systems Research, 31(3), 776–800. Last working paper version. VoxEU Article.

• Social Networks and the Demand for News (2019, with Lisa M. George). Information Economics and Policy, 49, 100833. Last working paper version.

• Follow the Money: Online Piracy and Self-Regulation in the Advertising Industry (2019, with Michail Batikas and Jörg Claussen), International Journal of Industrial Organization, 65, 121-151. Last working paper version.

• The Next Wave of Digital Technological Change and the Cultural Industries (2019), Journal of Cultural Economics, 43(2), 189–210. Last working paper version. Write-up for CulturalEconomics.org.

• Determinants and Heterogeneity of Switching Costs in IT Outsourcing: Estimates from Firm-Level Data (2019), European Journal of Information Systems, 28(3), 291-317. Last working paper version.

• Demand Variation, Strategic Flexibility and Market Entry: Evidence from the U.S. Airline Industry (2018, with Jörg Claussen and Christian Essling),  Strategic Management Journal, 39(11), 2877-2898. Last working paper version.

• Catch Me if You Can: Effectiveness and Consequences of Online Copyright Enforcement (2018, with Luis Aguiar and Jörg Claussen), Information Systems Research, 29(3), 656-678. Last working paper version.

• Competition for Attention in the Digital Age: The Case of Single Releases in the Recorded Music Industry (2017, with Christian Essling and Johannes Koenen), Information Economics and Policy, 40, 26-40. Last working paper version.

• Piracy and Box Office Movie Revenues: Evidence from Megaupload (2017, with Jörg Claussen and Tobias Kretschmer), International Journal of Industrial Organization, 52, 188-215. Last working paper version.

• R&D Outsourcing and Intellectual Property Infringement (2015, with Philipp Buss), Research Policy, 44(4), 977-989. Last working paper version (including online appendix).

Work in revision

• Contractual and Statutory Access to Training Data and the Dynamics of Innovation in AI, revision invited at Research Policy

Work in progress or under review

• Returns to Data: Evidence from Web Tracking (with Luis Aguiar, Tomaso Duso, Jonas Hanane and Hannes Ullrich), also here

• Generative AI and the Dynamic Supply of Training Data (with Florian Abeillon, Franziska Kaiser, Jérémie Haese and Alexander Staub), also on arXiv. Previous title: Strategic Behavior and Artificial Intelligence Training Data. Best Paper Award at INFORMS Annual Meeting 2024, Information Systems Cluster

• Who Benefits from Robots and AI? Project-level Evidence on Labor Demand, Operations and Profitability (with Erdem Dogukan Yilmaz)

• Get Rich or Die Tryin': Concerts and the Digitization of Recorded Music (with Franziska Kaiser)

• The Shrinking Shelf? DMA, DSA, and Amazon Marketplace (with Sverrir Arnorsson, Stefan Bechtold, Reinhold Kesler, Filippo Lancieri and Amit Zac)

• Technology and Market Strategy in High-Tech Organizations (with Anthi Kiouka), nominated for Best Paper Prize and Responsible Research Paper Prize at SMS Annual Conference 2023.

• The Returns to Targeting: Evidence from a Field Experiment (with Pedro Ferreira, Miguel Godinho de Matos and Martin Quinn)

Other publications

• The Risks of Risk-Based AI Regulation: Taking Liability Seriously (2023, with Martin Kretschmer, Tobias Kretschmer and Alexander Peukert), also on SSRN and covered in VoxEU, Verfassungsblog and CREATe

• Implementing Digital Responsibility through Information Systems Research – A Delphi Study of Objectives, Activities, and Challenges in IS Research (2023, with Daniel Beverungen et al.), Wirtschaftsinformatik 23 Conference.

• Daten als Wettbewerbsvorteil: Regulierer und Wettbewerbsbehörden sollten aufmerksam bleiben (2023, with Luis Aguiar, Jonas Hanane, Tomaso Duso and Hannes Ullrich). DIW Wochenbericht, 90(27), pp.366-373.

• Facebook Shadow Profiles (2022, with Luis Aguiar, Maximilian Schaefer and Hannes Ullrich)

• Plattformen wie Facebook können mehr als die Hälfte der Internetaktivität beobachten (2022, with Luis Aguiar, Maximilian Schaefer and Hannes Ullrich) DIW Wochenbericht, 89(29/30), pp.400-406.

• Twin study reveals non-heritable immune perturbations in multiple sclerosis (2022, with Florian Ingelfinger et al.). Nature, 603, 152-158.

• Flexible Digital Supply Behavior (2019), in S. Cameron (Ed.), A Research Agenda for Cultural Economics, Chapter 4, 63-86, Edward Elgar, Cheltenham.

• External Technology Supply and Client-Side Innovation (2012), in D. Audretsch, E. Lehmann, A. Link, A. Starnecker (Eds.), Technology Transfer in a Global Economy, 161-184, Springer, New York. Last working paper version.