Professor of Economics at Sciences Po. His research is in international macroeconomics: international financial integration and capital flows, demographic ageing, and housing markets.
A survey of why international investors hold a disproportionate share of domestic equities, bonds and bank assets ("home bias") despite the diversification gains foreign holdings would offer, …
PublishedReview of Economic StudiesOnline 7 Nov 2025Published Jul 2026
This paper asks how cities grow in the process of structural transformation — specifically, whether urban expansion occurs at the intensive margin (higher density within a fixed area) or the extensive …