8 IZA Discussion Papers
IZA Discussion Paper No. 15559
IZA Discussion Paper No. 15255
IZA Discussion Paper No. 14748
IZA Discussion Paper No. 10250
published in: Social Science Research, 2017, 67-80
IZA Discussion Paper No. 8931
published in: IZA Journal of Labor and Development, 2016, 5:8
IZA Discussion Paper No. 7647
IZA Discussion Paper No. 7614
IZA Discussion Paper No. 6153
published in: Applied Economic Letters, 2012, 19 (18), 1861-1864