124 IZA Discussion Papers
IZA Discussion Paper No. 987
published in: Journal of Economic Behavior and Organization, 2008, 67 (3-4), 820-831
IZA Discussion Paper No. 385
published in: Journal of the European Economic Association, 2005, 3 (1), 120-143
IZA Discussion Paper No. 374
published in: International Economic Review, 2006, 47 (3), 895-936
IZA Discussion Paper No. 245
published in: International Tax and Public Finance, 2003, 10(3), 211-228