3 IZA Discussion Papers
IZA Discussion Paper No. 10783
published in: Journal of Human Resources, 2022, 57 (1), 304-339.
IZA Discussion Paper No. 10682
published in: Economic Journal, 2020, 130(627), 793-821
IZA Discussion Paper No. 9982
published in: Journal of Ecconomic Behavior & Organization 145 (2018), 306-319.