8 IZA Discussion Papers
IZA Discussion Paper No. 9939
IZA Discussion Paper No. 9695
published in: Economics of Education Review, 2016, 54: 259-273
IZA Discussion Paper No. 7040
published in: American Economic Review, 2013, 103 (6), 2052-86
IZA Discussion Paper No. 5599
published as 'Econometrics vs. Project Design: Lessons from the Evaluation of a Workfare Project' in: Jahrbücher für Nationalökonomie und Statistik, 2013, 233 (1), 65-85
IZA Discussion Paper No. 2625
IZA Discussion Paper No. 1717
published in: IZA Journal of Labor Economics, 2015, 4:16
IZA Discussion Paper No. 1508
published in: Annales d'Economie et de Statistique, 2008, 91-92
IZA Discussion Paper No. 758