Working Papers Under Review

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

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. Reject and Resubmit at Research Policy.

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

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.

Work in Progress

Franchising Defrosts — The Impact of Retail Ownership on Product Availability With Yash Babar, Xabier Barriola Salguiero, and Florian Pethig.

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.