3 IZA Discussion Papers
IZA Discussion Paper No. 3834
published in: Economic Inquiry, 2015, 53(1), 714-730
IZA Discussion Paper No. 2367
published in: Journal of Institutional and Theoretical Economics, 2007, 163 (4), 531-551
IZA Discussion Paper No. 423
published in: European Economic Review, 2003, 47(4), 645-668