5 IZA Discussion Papers
IZA Discussion Paper No. 14139
IZA Discussion Paper No. 6064
published in: Empirical Economics, 2015, 48, 849 - 881
IZA Discussion Paper No. 3255
published in: Journal of the Royal Statistical Society, Series A (Statistics in Society), 2012, 175 (2), 587-617
IZA Discussion Paper No. 2846
published as 'Estimating the Effects of Length of Exposure to Instruction in a Training Program: The Case of Job Corps ' in: Review of Economics and Statistics, 2012, 94 (1), 153–171
IZA Discussion Paper No. 2782
published in: Review of World Economics, 2008, 144 (4), 695-722