I am a Professor of Economics at the University Paris-Saclay. My research lies at the intersection of economics, finance, and technology, with a particular focus on applying machine learning and textual analysis to study the impact of media and social media. I am also the creator of the blog Captain Economics and consultant in AI and LLM at the Banque de France.
Selected list of publications:
- Republicans are flagged more often than Democrats for sharing misinformation on X's Community Notes
(2025), PNAS
- The Usual Suspects: Offender Origin, Media Reporting and Natives’ Attitudes Towards Immigration
(2024), The Economic Journal
- Media sentiment on monetary policy: Determinants and relevance for inflation expectations
(2022), Journal of International Money and Finance
- Economic Uncertainty Before and During the COVID-19 Pandemic
(2020), Journal of Public Economics
- Intraday online investor sentiment and return patterns in the U.S. stock market (2017), Journal of Banking and Finance
Selected list of working papers:
- Emotions and Policy Views
(2025), with E. Davoine, S. Stantcheva and Y. Algan
- Community-based fact-checking reduces the spread of misleading posts on social media
(2024), with T. Chuai, M. Pilarski, D. Restrepo-Amariles, A. Troussel-Clément, G. Lenzini, N. Pröllochs
All publications - All Working Papers