7 IZA Discussion Papers
IZA Discussion Paper No. 15476
IZA Discussion Paper No. 12458
IZA Discussion Paper No. 12347
Revised version forthcoming in: Review of Economics and Statistics (accepted August 2021)
IZA Discussion Paper No. 12079
IZA Discussion Paper No. 3002
published in: Journal of Public Economics, 2009, 93 (3-4), 482-497
IZA Discussion Paper No. 535