3 IZA Discussion Papers
IZA Discussion Paper No. 16415
published in: Journal of Economic Behavior & Organization, 2023, 215, 134-152;
IZA Discussion Paper No. 6277
revised version published as 'Peer effects and social preferences in voluntary cooperation: A theoretical and experimental analysis' in: Journal of Economic Psychology, 2015, 48, 72 - 88
IZA Discussion Paper No. 2423
published in: Labour Economics, 2008, 15 (2), 141-167