for the public good have negative effects on cooperation and its enforcement through informal sanctions. Asymmetric … facilitates or impedes collective action, but that it is rather the nature of asymmetry that determines the degree of cooperation …

commonly accepted wisdom that the cooperation-enhancing effect of communication requires the mutual exchange of promises, we …

consistent positive effect on cooperation only when there is common knowledge of group affiliation. We also test the robustness …

, we cannot reject the null that the correlation between the degree of cooperation of a child and that of his or her parent … degree of conditional cooperation, thus confirming the results of the existing experimental literature; such conditional … cooperation is however absent in children. …

cooperation in public goods provision we experimentally study centralized manipulations of contribution feedback. We find that a … uniform feedback exaggeration does not increase cooperation and is disapproved once it is disclosed. An individual … exaggeration, however, that gives nobody the feeling of being a sucker sustains cooperation on a high level. …

unravels in favor of cooperation in the local group. Cooperation in the global public good can only be sustained if … institutional design to foster cooperation. …