4 IZA Discussion Papers
IZA Discussion Paper No. 9530
published in: Journal of Policy Analysis and Management, 2018, 37 (1), 10-37
IZA Discussion Paper No. 8390
published in: Journal of Policy Analysis and Management, 2016, 35 (2), 333 - 356
IZA Discussion Paper No. 6240
published in: Journal of Policy Analysis and Management, 2013, 32 (2), 224-245
IZA Discussion Paper No. 3244
published in: Journal of Policy Analysis and Management, 2009, 28(1), 29-54