9 IZA Discussion Papers
IZA Discussion Paper No. 15314
IZA Discussion Paper No. 12839
IZA Discussion Paper No. 9692
revised version published in: Health Economics, 2018, 27 (3), e139 - e152
IZA Discussion Paper No. 9617
IZA Discussion Paper No. 4638
revised version published in: Review of Economic Studies, 2013, 80 (1), 313-342
IZA Discussion Paper No. 3882
IZA Discussion Paper No. 2885
substantially revised version published in: Journal of Labor Economics, 2014, 32 (4), 837-897
IZA Discussion Paper No. 1790
published in: Journal of Econometrics, 2007, 136 (2), 341-396
IZA Discussion Paper No. 1042