June 15-16, 2026
The 9th doctoral workshop was hosted at Telecom Paris in June 2026. The best paper award was granted by the organizing committee to Theo Valentin (CREST, ENSAE Paris) for his theoretical work on taxing digital addiction.
Monday
15 June 2026 (Amphi 6)
8:45 welcome address (marc bourreau)
Session 1: Data and digital advertising (chair Paul Belleflamme)
9:00 – 9:30 The Power of Data Aggregation: Network Structure and Innovation in App Ecosystems
Aurora Gori Savellini (IMT School for Advanced Studies Lucca)
9:30 – 10:00 Opening the Black Box: A Theory of the Value of Data in Prediction
Giovanni Rizzi (Toulouse School of Economics)
10:00 – 10:30 Digital Advertising Auctions with Asymmetric Consumer Information
Rodolfo Salonia (European University Institute)
10:30 – 11:00 coffee BREAK
Session 2: Competition and Innovation in Digital Markets (Chair: Lukasz Grzybowski)
11:00 – 11:30 Network Competition in the Dutch Broadband Internet Market
Jan Svitak (Tilburg University, TiSEM)
11:30 – 12:00 The Impact of Mobile Money and Interoperability Regulation on Competition Between Mobile Operators
Si Hao Li (Telecom Paris, CREST)
12:00 – 12:30 Nonstationary Intelligence Demand, Data Flywheel, and the Strategic Release of Large Language Models
Shuo Song (Toulouse School of Economics)
12:30 – 13:30 lunch
Session 3: social Media (chair: alexandre de corniere)
13:30 – 14:00 Candidate Behavior in Local Elections: Campaigning in the Digital Age
Carolina Prado (Insper Institute of Education and Research)
14:00 – 14:30 Content Demonetisation and Creators' Participation: Study of YouTube's First Adpocalypse
Maria Rasskazova (University Sorbonne Paris Nord)
14:30 – 15:00 Digital News Consumption: Evidence from Smartphone Content in the 2024 US Elections
Tevel Dekel (Tel Aviv University),
15:00 – 15:30 coffee BREAK
keynote lecture (chair: marc bourreau)
15:30 – 16:45 "Pricing and Investment by a Two-Sided Monopoly Platform” joint with Evgenia Motchenkova and Long Hoang
José-Luis Moraga (Vrije Universiteit Amsterdam, Telecom Paris)
19:30 Dinner in paris (BY INvitation)
Tuesday
16 june 2026 (amphi 6)
Session 4: AI, Digital Transformation, and Labor (chair: oliver falck)
9:00 – 9:30 Beliefs, Reputation, and Barriers to Entry in Online Labor Markets
Ruoxuan Wu (University of Chicago)
9:30 – 10:00 Beliefs about Bots: How Employers Plan for AI in White-Collar Work
Samuel Maeurer (University of Mannheim)
10:00 – 10:30 “Mobile Internet and Structural Transformation in Vietnam
Anri Sakakibara (Technical University of Munich)
10:30 – 11:00 coffee BREAK
Session 5: Effects of Digitization (chair: axel gautier)
11:00 – 11:30 Hard Information and Local Lending Markets: Evidence from Invoice Digitization
Yunyue Chen (Ghent University)
11:30 – 12:00 Firm-level Digital Presence and Performance
Hanxiao Zhong (KU Leuven)
12:00 – 12:30 Taxing Digital Addiction
Theo Valentin (CREST, ENSAE Paris)