44 IZA Discussion Papers
IZA Discussion Paper No. 1646
published as 'The economics of altruistic punishment and the maintenance of cooperation' in: Proceedings of the Royal Society B -Biological Sciences, 2008, 275 (1637), 871-878
IZA Discussion Paper No. 1324
published in: Brookings Papers on Economic Activity, 2004:1
IZA Discussion Paper No. 1195
published in: International Tax and Public Finance, 2007, 14 (1), 7-27
IZA Discussion Paper No. 49
published in: Scandinavian Journal of Economics, 2002, 104 (4), 641-656