4 IZA Discussion Papers
IZA Discussion Paper No. 6064
published in: Empirical Economics, 2015, 48, 849 - 881
IZA Discussion Paper No. 4451
revised version published as 'Comparing Treatments across Labor Markets: An Assessment of Nonexperimental Multiple-Treatment Strategies' in: Review of Economics and Statistics, 2013, 95(5), 1691-1707
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