48 IZA Discussion Papers
IZA Discussion Paper No. 3216
published in: Review of Economics and Statistics, 2010, 92 (2), 244-262
IZA Discussion Paper No. 3134
published in: American Economic Journal: Applied Economics, 2009, 1(1), 136–63.
IZA Discussion Paper No. 2899
published in: Scandinavian Journal of Economics, 2009, 111(3), 457 - 486
IZA Discussion Paper No. 1951
published in: Research in Higher Education, 2007, 48 (4), 453-486.
IZA Discussion Paper No. 1883
published in: Economic Journal, 2009, 119 (540), 1243-1269.
IZA Discussion Paper No. 1801
published in: Bulletin of Economic Research, 2006, 58 (1), 61–72
IZA Discussion Paper No. 1634
published in: Economics of Education Review, 2008, 27 (3), 319-331
IZA Discussion Paper No. 333
published in: Journal of the Royal Statistical Society, Series A. (Statistics in Society), 2004, 167 (1), 157-178
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