reciprocity. Moreover, several theoretical papers have been written showing that the observed phenomena can be explained in a …

available appropriation behavior is more efficient. Our analysis shows that these regularities arise naturally when a fraction …

We analyze the effects of reciprocity on the performance of a two-player team working in a venture. The players … reciprocity). However, over time, the chance to change direction (switch projects) unexpectedly arises, creating conflict between …, and may lead to retaliation (negative reciprocity). Positive and negative reciprocity may combine to prevent project …

.g., legislators) are induced to display reciprocal and pro-social behavior. However, the question of how a voting mechanism can be … designed to incentivize ``selfish" individuals to display such behavior remains unresolved. We propose such a mechanism and … equilibrium concept--the reciprocity set--that satisfies all of the aforementioned properties under mild conditions, and it is …