Nicolas Cauchi-Duval is assistant professor of demography at the University of Strasbourg and a member of the research unit SAGE (Sociétés, Acteurs, Gouvernement en Europe – Societies, Actors and Government in Europe; UMR CNRS 7363). His research within the ANR Altergrowth project currently focuses on French shrinking cities, their socio-demographic reconfigurations, and the discrepancies between the demographic dynamics at play and the housing supply available in these cities.