5 IZA Discussion Papers
IZA Discussion Paper No. 16772
IZA Discussion Paper No. 8259
published in: ILR Review, 2016, 69 (4), 803 - 833
IZA Discussion Paper No. 1154
published in: Journal of Health Economics, 2005, 24 (5), 969-989
IZA Discussion Paper No. 794
published in: Health Economics, 2007, 16 (1), 57-74
IZA Discussion Paper No. 118
published in: Journal of Health Economics, 2001, 20(5), 677-801