46 IZA Discussion Papers
IZA Discussion Paper No. 3879
IZA Discussion Paper No. 3030
IZA Discussion Paper No. 2790
published in: Review of Economics and Statistics, 2008, 90 (2), 191-215
IZA Discussion Paper No. 1844
IZA Discussion Paper No. 932
published in: Journal of Law and Economics, 2006, 49(2), 507-532
IZA Discussion Paper No. 695
published in: Canadian Journal of Economics, 2005, 38(1), 128-148