108 IZA Discussion Papers
IZA Discussion Paper No. 2106
published in: Journal of Economic Behavior and Organization, 2009, 71(2), 221-232
IZA Discussion Paper No. 2011
substantially revised and split up versions published as: (1) 'Social Preferences, Beliefs, and the Dynamics of Free Riding in Public Goods' in: American Economic Review, 2010, 100 (1), 541-556; and (2) 'The Behavioral Validity of the Strategy Method in Public Goods Experiments', Journal of Economic Psychology, 2012, 33 (4), 897-913
IZA Discussion Paper No. 1977
revised version published as "Punish in Public" in: Journal of Public Economics, 2011, 95 (7-8), 1006-1017
IZA Discussion Paper No. 1834
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. 1347
IZA Discussion Paper No. 1337
published in: Games and Economic Behavior, 2007, 60 (1), 31-51
IZA Discussion Paper No. 862
published in: Journal of Labor Research, 2004, 25 (4), 563-597