87 IZA Discussion Papers
IZA Discussion Paper No. 645
published in: Journal of Policy Modeling, 2008, 30 (2), 279-300
IZA Discussion Paper No. 636
published in: European Journal of Political Economy, 2005, 21 (1), 1-32
IZA Discussion Paper No. 635
IZA Discussion Paper No. 364
published in: Journal of Economic Inequality, 2010, 8(2), 221–240
IZA Discussion Paper No. 357
published in: Scandinavian Journal of Economics, 2003, 105 (4), 619-641
IZA Discussion Paper No. 33
published in: American Economic Review, 1999, 89 (2), 81-88
IZA Discussion Paper No. 22