5 IZA Discussion Papers
IZA Discussion Paper No. 12491
published in: Economics of Education Review, 2019, 73, Article 101912
IZA Discussion Paper No. 11432
IZA Discussion Paper No. 8477
published in: Higher Education, 2016, 72 (3), 341–361
IZA Discussion Paper No. 7676
published in: Economics of Education Review, 2018, 64, 50-74
IZA Discussion Paper No. 5101
published in: Economics of Education Review, 2011, 30 (3), 404-418