Teleworking in the French private sector: a lasting but heterogenous shift shaped by collective agreements (2019-2024) / Philippe Askenazy (Insee, Centre Maurice Halbwachs CNRS-EHESS-ENS-PSL and IZA), Ugo Di Nallo (Insee), Ismaël Ramajo (Dares), Conrad Thiounn (Dares) ; IZA Institute of Labor Economics