cooperation in teamwork settings. This paper examines the relative importance of these two mechanisms, as well as the importance … of income distribution in team cooperation. In a repeated public good experiment, conditions vary among different … that without punishment, strong identity can counteract the negative impact of endowment heterogeneity on cooperation …

support near e¡Ë cient levels of contributions to a public good. Cooperation may also be supported if altruistic individuals … cooperation may be less than additive. Using a utility function embodying both reciprocity and altruism we show that unconditional … contribution costs and punishment costs. The range over which altruism inhibits cooperation and reduces material payo¢´s is greater …

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. …

the role of details of the environment that may alter focal contribution norms in an important way. …

tacitly agree on the norm to be enforced, even if this leads to large payoff differences. Our results also emphasize the role …

success of the program, i.e., whether burglaries continue to occur. We show that the punishment of burglars plays a dual role …

provide a zero return to their investors, even when they know that their investors had no role in imposing the threat. Our …