7 IZA Discussion Papers
IZA Discussion Paper No. 13357
IZA Discussion Paper No. 5952
published in: Oxford Bulletin of Economics and Statistics, 2016, 78 (1), 75-93
IZA Discussion Paper No. 4927
published in: Applied Economics, 2013, 45 (19), 2863-2875
IZA Discussion Paper No. 3642
IZA Discussion Paper No. 2259
published in: Health Economics, 2007, 16 (9), 895-909
IZA Discussion Paper No. 16
IZA Discussion Paper No. 1
published in: Applied Economics, 1998, 30 (11), 1413-1420