14 IZA Discussion Papers
IZA Discussion Paper No. 14868
IZA Discussion Paper No. 12989
IZA Discussion Paper No. 12363
IZA Discussion Paper No. 12362
IZA Discussion Paper No. 10872
published in: American Economic Journal: Applied Economics, 2018, 10 (3), 315 - 344
IZA Discussion Paper No. 10715
published in: Journal of Health Economics, 2018, 58, 269 - 283
IZA Discussion Paper No. 9247
Published in: Economic Journal, 2016, 126 (596), F28-F65.
IZA Discussion Paper No. 7550
IZA Discussion Paper No. 7040
published in: American Economic Review, 2013, 103 (6), 2052-86
IZA Discussion Paper No. 6986
published in Economics of Education Review, 2016, 53, 164-181
IZA Discussion Paper No. 5495
published in: Daedalus, 2011, 140 (2): 70-89
IZA Discussion Paper No. 5095
published in: Quantitative Economics, 2010, 1 (1), 1-46
IZA Discussion Paper No. 4533
published in: Journal of Public Economics, 2010, 94 (1-2), 114-128
IZA Discussion Paper No. 2434
published in: Economics of Education Review, 2010, 29 (3), 319-328, revised version available here