The Chair is hosted at Mines Paris – PSL and operates within a leading academic environment in applied economics and public policy analysis.
Our Missions
- Produce high-level academic research;
- Provide relevant insights to French and European public decision-makers;
- Contribute to the current discussion on digital sovereignty.
Chair Holder

Ambre Elsas-Nicolle
(CEDP, Mines Paris - PSL)
Ambre Elsas-Nicolle is an Associate Professor of Economics. Her research focuses on the empirical analysis of digital markets and network industries, with particular attention to demand and supply, competition, and platform strategies
PhDs and Interns

Charles Vitoux
(CEDP, Mines Paris - PSL)
As a student at the University of Bordeaux, Charles joined the Chair TNEF for his Master’s end-of-year internship. His objective was to use the European DESI (Digital Economy and Society Index) database to identify the key drivers of advanced technology adoption.

Adèle Diehl
(CEDP, Mines Paris - PSL)
Adèle will start her PhD in Economics at the Chair in October 2026. She will be supervised by Ambre Elsas-Nicolle.