86 IZA Discussion Papers
IZA Discussion Paper No. 1381
published in: Economic Inquiry, 2013, 51 (1), 563–578
IZA Discussion Paper No. 1359
revised version published in: Journal of Public Economics, 2007, 91 (11-12), 2089-2112.
IZA Discussion Paper No. 1043
IZA Discussion Paper No. 514
IZA Discussion Paper No. 382
IZA Discussion Paper No. 26
published in: Journal of Economic Literature, 2000, 38 (1), 77-114