Sylvie Fol is professor of urban planning and development at the University of Paris‑1 Panthéon–Sorbonne and a member of the mixed research unit Géographie‑cités (UMR CNRS 8504). Her research focuses on shrinking cities, the processes at play in these cities, and the policies implemented to respond to them. She is also interested more generally in the question of sociospatial and territorial inequalities.