question, we use the reunification of Germany as a natural experiment and study the post-reunification trajectory of … interpreted as evidence for the passing of cultural traits across generations and for cooperation being sustained by values rather …

This paper experimentally examines how religious festivals and the degree of religiosity affect cooperation and … religious festivals other than the normal daily prayers. The overall results show no differences in cooperation or altruistic … differences in beliefs about others contributions. By and large, this indicates the importance of conditional cooperation …

This paper introduces new experimental designs to enrich understanding of conditional cooperation and punishment in … method. It is found that the selfish bias in conditional cooperation is made significantly worse when other players …

Development of human societies requires cooperation among unrelated individuals and obedience to social norms. Although … punishment is widely agreed to be potentially useful in fostering cooperation, many recent results in psychology and economics … eliminate its detrimental effects on cooperation. In a public goods game designed to create tension between group and individual …

We investigate whether there is a link between conditional cooperation and betrayal aversion. We use a public goods …

We test if cooperation is promoted by rank-order competition between groups in which all groups can be ranked first, i … are absent if groups perform at the same level and it therefore does not eliminate low-cooperation equilibria. We find … that all-can-win competition produces a universal increase in cooperation and benefits a majority of individuals if …

We study the intrapersonal relationship between trust and reciprocity in a laboratory experiment. Reciprocal subjects …

and social norms, and trust. In a preregistered online experiment (n = 1,038), we find that biased institutions reduce …

working on projects together) are strongly related to various dimensions of social capital, from beliefs in cooperation to … cooperation and students' involvement in civic life. A two-stage least square strategy provides evidence that teaching practices …