3 IZA Discussion Papers
IZA Discussion Paper No. 13232
published in: Social Science & Medicine, 2020, 259, 112829
IZA Discussion Paper No. 8448
published in: Journal of Economic Perspectives, 2014, 28 (4), 149–168
IZA Discussion Paper No. 7251
published in: Journal of Economic Behavior and Organization, 2014, 97, 84–102