268 IZA Discussion Papers
IZA Discussion Paper No. 794
published in: Health Economics, 2007, 16 (1), 57-74
IZA Discussion Paper No. 547
IZA Discussion Paper No. 387
completely revised version published as IZA DP No. 1879
IZA Discussion Paper No. 314
IZA Discussion Paper No. 313
published in: Health Economics, 2002, 11 (8), 709 - 722
IZA Discussion Paper No. 312
published in: De Economist, 2003, 151 (2), 171-192
IZA Discussion Paper No. 189
published in: Economic Journal, 2001, 111 (475), F585-606
IZA Discussion Paper No. 118
published in: Journal of Health Economics, 2001, 20(5), 677-801