Current research

Working papers

• Fugger, Nicolas and Ulrich Laitenberger: Split-Award Auctions and Supply Disruptions in the German Market for Generic Drugs. Last version (March 2025). Revision at European Journal of Operations Research requested.

• Hunold, Matthias, Laitenberger, Ulrich and Guillaume Thébaudin: The Power of Suppression: Amazon's Buybox Policy and Seller Coordination (November 2023).  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.  Last version available on request (October 2023). 

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

Work in progress

• Babar, Yash, Ulrich Laitenberger, Florian Pethig, Xabier Barriola Salguiero: The Effect of Ownership Changes on Product Availability

• Fugger, Nicolas, Ulrich Laitenberger and Jeffrey Starck: Auctions and demand uncertainty

• Eggenschwiler, Matthias, Ulrich Laitenberger and Max Pachali: Platform Search Regulation and Sustainability: The case of Fashion E-Commerce

• Hunold, Matthias, Heiko Karle, Ulrich Laitenberger and Jannika Schad: Seller Competition and Platform Coexistence: Evidence from Real Estate Platforms

• Laitenberger, Ulrich, Florian Pethig and Ehsan Sabzizadeh: The Impact of GenAI on Crowdworking

• Kotschedoff, Marco and Ulrich Laitenberger: Can Small Publishers Benefit from AI? Evidence from Audiobooks

Resting

• Belletti, Chiara, Ulrich Laitenberger and Paola Tubaro: Crowd-sourcing AI Related Tasks: Insights from an Online Labor Platform. April 2024.

• Fiuza, Eduardo, Ulrich Laitenberger, Alexis Larousse, and Christine Zulehner: Small firm policies: Right of first refusal in procurement auctions. September 2020.

• Magalhães Barros, Francisco, Marcus de Britto and Ulrich Laitenberger: Broadband internet and educational inequality: Evidence from the Covid19 pandemic in Brazil. September 2022.

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)

5. Casper Steehouwer (Tilburg University)

PhD Committee member

1. Simona Wagner - Luxembourg University (Committee member)

2. Felix Schleef - ENSAE (Reviewer)

3. Hugo Allouard - U. Saclay (Reviewer)