234 IZA Discussion Papers
IZA Discussion Paper No. 2761
published in: Empirical Economics, 2013, 44(1), 135-161
IZA Discussion Paper No. 2334
published in: Contemporary Economic Policy, 2010, 28(1), 36-51
IZA Discussion Paper No. 2186
published in: Journal of Economic Perspectives, 2007, 21 (1), 209-226
IZA Discussion Paper No. 1951
published in: Research in Higher Education, 2007, 48 (4), 453-486.
IZA Discussion Paper No. 1951
published in: Research in Higher Education, 2007, 48 (4), 453-486.
IZA Discussion Paper No. 1634
published in: Economics of Education Review, 2008, 27 (3), 319-331
IZA Discussion Paper No. 1634
published in: Economics of Education Review, 2008, 27 (3), 319-331
IZA Discussion Paper No. 1627
published in: Scandinavian Journal of Economics, 2008, 110 (4), 695-709
IZA Discussion Paper No. 1562
published in: Economics of Education Review, 2008, 27 (5), 564-574
IZA Discussion Paper No. 1156
published in: Economics of Education Review, 2008, 27 (1), 79-93
IZA Discussion Paper No. 658
published in: Economics Letters, 2003, 80 (2), 247-253.
IZA Discussion Paper No. 658
published in: Economics Letters, 2003, 80 (2), 247-253.
IZA Discussion Paper No. 503
IZA Discussion Paper No. 402
published in: American Economic Review, 2002, 92 (4), 957-980