relationships are long-term and provide repeated game incentives for performance. We experimentally investigate interaction effects … of reciprocity and repeated game incentives in two treatments (one-shot and repeated) of a gift-exchange game. In both … game some subjects imitate reciprocity. Thus, reciprocity and repeated game incentives reinforce each other. Observed …

-based incentives. …

-based incentives. …

Explicit and implicit incentives and opportunities for mutually beneficial voluntary cooperation co-exist in many … crowding out of voluntary cooperation even after incentives have been abolished. This crowding out occurs also in repeated …-effort relationships. Our systematic analysis also replicates established results on gift exchange, incentives, and crowding out of …