Research


Working Papers Under Review

Does the Digital Divide Amplify the Health Divide? Evidence from Online Reviews With Michael Kummer and Daniel Hughes. Last Version: January 2026. Reject and Resubmit at Information Systems Research.


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.


The Impact of AI-Generated Product Line Extensions: Evidence from Machine-Narrated Audiobooks With Marco Kotschedoff. Last version: March 2026. Reject and Resubmit at Marketing Science.


Innovation and User Composition in Online Labor Markets: Evidence from a Fee Change With Estrella Gomez-Herrera, Frank Müller-Langer, and Mark Tremblay. Last version: October 2025. Resubmitted to Research Policy.


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


Work in Progress

Algorithmic Price Governance by Buybox Suppression: Theory and Evidence With Matthias Hunold and Guillaume Thébaudin. Previously circulated as: Bye-box: An Analysis of non-promotion on the Amazon market place. CRED Discussion Paper 2022 N°4, Economics of Platforms Seminar.


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 Xabier Barriola Salguiero and Jiaqi Zhu.


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