Working Papers

Does the Digital Divide Amplify the Health Divide? Evidence from Online Reviews With Michael Kummer and Daniel Hughes. Last Version: March 2026.

Franchising Defrosts — The Impact of Retail Ownership on Product Availability With Yash Babar, Xabier Barriola Salguiero, and Florian Pethig. Last version: March 2026. Under Review. SSRN

The Impact of AI-Generated Product Line Extensions: Evidence from Machine-Narrated Audiobooks With Marco Kotschedoff. Last version: September 2026.

Who Keeps Selling? Platform Fees and the Composition of Entrepreneurial Participation in an Online Labor Market With Estrella Gomez-Herrera, Frank Müller-Langer, and Mark Tremblay. Last version: September 2026. Under Review.

When Does Multisourcing Intensify Competition? Procurement Auctions with Unreliable Suppliers With Nicolas Fugger. Last version: September 2026.

Bye-box: An Analysis of non-promotion on the Amazon market place With Matthias Hunold and Guillaume Thébaudin. Last version: June 2022. CRED Discussion Paper 2022 N°4 Economics of Platforms Seminar

Work in Progress

Does GenAI Endanger or Engender Equal Wages? Quasi-Experimental Evidence on Online Labor Markets and the Gender Pay Gap With Casper Steehouwer and Murat Tunc.

Recommendation Diversity and Content Supply: Evidence from a Short-Video Platform With Jiaqi Zhu and Xabier Barriola Salguiero.

Seller Competition and Platform Coexistence: Evidence from German Real Estate Listings With Matthias Hunold, Heiko Karle, and Jannika Schade.

Safety as Strategy: Consumer Protection and Platform Leakage With Ehsan Sabzizadeh, Nikolay Aleksandrov Tonev, and Florian Pethig.