reciprocity. In fact, these are much higher than those compatible with a null assumption that preserves the empirically observed … uncover that the least active users are predominantly responsible for such reciprocity-induced bias, and that this fact can be …

Network reciprocity has been successfully put forward (since M. A. Nowak and R. May's, 1992, influential paper) as the … systems. The mechanism is actually the network, which makes agents' interactions localized, while network reciprocity is the … is replaced by the more rational best-response rule of strategy update. In social experiments, network reciprocity has …

reciprocity and inequity aversion are also drivers of network choices. No study so far has attempted to investigate the role of …’ behavior compared to the baseline; (2) reciprocity plays a significant role in the formulation of the players’ strategies, in …

reciprocity (or altruistic punishment) to capture the human trait leading an individual to punish norm violators at a cost to …

straightforwardly account for reciprocal behaviour based on reputation scores (“indirect reciprocity”), which is known to play an … important role in many economic interactions. In order to account for indirect reciprocity, we model the network in a bottom … for the effect of both direct reciprocity (e.g. “tit-for-tat”) as well as indirect reciprocity (helping strangers in order …

This paper presents a formal theory of reciprocity. Reciprocity means that people reward kind actions and punish unkind …