3 IZA Discussion Papers
IZA Discussion Paper No. 9553
published in: American Journal of Political Science, 2018, 62 (1), 210-229
IZA Discussion Paper No. 3475
published in: Journal of Economic Perspectives, 2008, 22 (3), 149-172
IZA Discussion Paper No. 1784
published in: Canadian Journal of Economics / Revue canadienne d'économique, 2008, 41(4), 1262-1284