7 IZA Discussion Papers
IZA Discussion Paper No. 15318
IZA Discussion Paper No. 12560
IZA Discussion Paper No. 9886
published in: Scandinavian Journal of Educational Research, 2017, 61 (6), 701 - 720
IZA Discussion Paper No. 4476
published in: Journal of Human Capital, 2014, 8 (2), 126-160
IZA Discussion Paper No. 3134
published in: American Economic Journal: Applied Economics, 2009, 1(1), 136–63.
IZA Discussion Paper No. 2072
IZA Discussion Paper No. 2037
published in: Economics of Education Review, 2009, 28 (3), 393-402