Healthcare appointments as commitment devices / Laura Derksen (Ragnar Frisch Centre for Economic Researchand Department of Management, University of Toronto), Jason T. Kerwin (University of Washington, J-PA Land IZA), Natalia Ordaz Reynoso (AXA Research Lab on Gender Equality, Dondena Research Centre and Bocconi University) Olivier SterckI (OB, University of Antwerp and Departmentof International Development, University of Oxford) ; IZA Institute of Labor Economics