Current research

Working papers under review

• Fugger, Nicolas and Ulrich Laitenberger: Split-Award Auctions and Supply Disruptions in the German Market for Generic Drugs. Last version: January 2026. Submitted.

• Gomez-Herrera, Estrella, Ulrich Laitenberger and Frank Müller-Langer: Innovation and User composition in Online Labor Markets: Evidence from a fee change. Last version: October 2025. Submitted.

• Kummer, Michael, Ulrich Laitenberger, and Daniel Hughes. Does the Digital Divide Amplify the Health Divide? Evidence from Online Reviews. Last Version: January 2026. Submitted.

Work in progress

• Babar, Yash, Ulrich Laitenberger, Florian Pethig, Xabier Barriola Salguiero: Franchising Defrosts - The Impact of Retail Ownership on Product Availability.

• Hunold, Matthias, Laitenberger, Ulrich and Guillaume Thébaudin: Algorithmic Price Governance by Buybox Suppression: Theory and Evidence 

  • previously circulated version: Bye-box: An Analysis of non-promotion on the Amazon market place. CRED Discussion Paper 2022 N°4 (June 2022), Economics of Platforms Seminar.  

• Kotschedoff, Marco and Ulrich Laitenberger: The Impact of AI-Generated Product Line Extensions: Evidence from Machine-Narrated Audiobooks.

PhD Supervisions and Committee

Main advisor

1. Raphaela Andres (Telecom Paris). Defended May 2024. PostDoc at ZEW.

2. Chiara Belletti (Telecom Paris, funded by ANR-HUSH). Defended May 2024. PostDoc at ISTO/LMU Munich

3. Francisco Magalhaes Barros (Telecom Paris, co-supervised with Marc Bourreau). Defended January 2025. Policy advisor at ARCEP

4. Ehsan Sabzizadeh (Tilburg University). Planned defense: 2028

5. Casper Steehouwer (Tilburg University). Planned defense: 2029

PhD Committee member

1. Simona Wagner - Luxembourg University (Committee member)

2. Felix Schleef - ENSAE (Reviewer)

3. Hugo Allouard - U. Saclay (Reviewer)