44 IZA Discussion Papers
IZA Discussion Paper No. 1949
published in: Stanford Law Review, 2005, 58(3), 791-845
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. 1583
published in: Journal of the European Economic Association, 2012, 10 (3), 555-572
IZA Discussion Paper No. 1337
published in: Games and Economic Behavior, 2007, 60 (1), 31-51