5 IZA Discussion Papers
IZA Discussion Paper No. 8471
IZA Discussion Paper No. 7583
published in European Sociological Review, 32 (1), February 2016, 3–22 (Open Access)
IZA Discussion Paper No. 7572
IZA Discussion Paper No. 7566
published in Education Economics, 2014, 22 (4), 389-411
IZA Discussion Paper No. 5287