laboratory experiment to study the elements and dynamics of this type of institution. Peer-to-peer reciprocity is important, and … having the ability to practice targeted reciprocity in our experiment increases contributions to the public good by 14 … settings. People thus excluded from the Òcircle of givingÓ provide a clean and strict test of indirect reciprocity, since they …

complementary or at worst additive. But this need not be the case. Behavioral experiments ?nd that if reciprocity-minded subjects … cooperation may be less than additive. Using a utility function embodying both reciprocity and altruism we show that unconditional …, the stronger is the reciprocity motive among group members. …

complementary or at worst additive. But this need not be the case. Behavioral experiments find that if reciprocity-minded subjects … cooperation may be less than additive. Using a utility function embodying both reciprocity and altruism we show that unconditional …, the stronger is the reciprocity motive among group members. …

private provision of a public good. In our experiment, giving subjects the ability to practice targeted reciprocity by making … underlie such behavior, including altruism, strategic motives, and direct or indirect positive reciprocity. It is not yet well … over time. We use a laboratory experiment to study the elements and dynamics of favor trading in a particular setting: the …

We report an experiment comparing sequential and simultaneous contributions to a public good in a quasi-linear two …

We report an experiment comparing sequential and simultaneous contributions to a public good in a quasi-linear two …

We report an experiment comparing sequential and simultaneous contributions to a public good in a quasi-linear two …

We report an experiment comparing sequential and simultaneous contributions to a public good in a quasi-linear two …

, despite the absence of free-riding incentives. In a laboratory experiment, contributions indeed fall short of the equilibrium …