6 IZA Discussion Papers
IZA Discussion Paper No. 16956
IZA Discussion Paper No. 15418
IZA Discussion Paper No. 12220
IZA Discussion Paper No. 11647
published in: Journal of Human Capital, 2018, 12 (2), 233–281
IZA Discussion Paper No. 9133
published in: Asian Economic Papers, 2015, 14 (3), 88-104
IZA Discussion Paper No. 3296
published in: Development Policy Review, 2008, 26 (6), 713-726