Direct and Indirect Influence of Altruistic Behavior in a Social Network

Pei-Pei Liu, Vasiliy Safin, Barry Yang and Christian C Luhmann

PLOS ONE, 2015, vol. 10, issue 10, 1-18

Abstract: Prior research has suggested that recipients of generosity behave more generously themselves (a direct social influence). In contrast, there is conflicting evidence about the existence of indirect influence (i.e., whether interacting with a recipient of generosity causes one to behave more generously), casting doubt on the possibility that altruistic behavior can cascade through social networks. The current study investigated how far selfish and generous behavior can be transmitted through social networks and the cognitive mechanisms that underlie such transmission. Participants played a sequence of public goods games comprising a chain network. This network is advantageous because it permits only a single, unambiguous path of influence. Furthermore, we experimentally manipulated the behavior of the first link in the chain to be either generous or selfish. Results revealed the presence of direct social influence, but no evidence for indirect influence. Results also showed that selfish behavior exerted a substantially greater influence than generous behavior. Finally, expectations about future partners’ behavior strongly mediated the observed social influence, suggesting an adaptive basis for such influence.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0140357

DOI: 10.1371/journal.pone.0140357

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