6 IZA Discussion Papers
IZA Discussion Paper No. 16385
IZA Discussion Paper No. 13998
IZA Discussion Paper No. 11291
published in: Social Science & Medicine, 2018, 201, 59-62
IZA Discussion Paper No. 9269
IZA Discussion Paper No. 8958
published in: Education Finance and Policy, 2018, 13(4), 513-544.
IZA Discussion Paper No. 5615
published in: Journal of Health Economics, 2013, 32 (1), 51-65