4 IZA Discussion Papers
IZA Discussion Paper No. 15119
published in: Australian Economic History Review, 2022, 62 (1), 2-25
IZA Discussion Paper No. 4418
published in: Journal of the European Economic Association, 2010, 8 (2-3), 664-676
IZA Discussion Paper No. 4407
revised version published in: Journal of Human Resources, 2014, 49 (3), 634-662
IZA Discussion Paper No. 3397