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Reciprocity is a decisive behavioural rule resulting in successful co-operation or deterrence. In this paper, a dynamic model
is proposed, where reciprocity is described by changes in altruistic (or malevolent) ties. Multiple steady states may exist
in one of which there may be general cooperation (solidarity) and the other being one of universal malice (war of each individual
against all other individuals). We apply our theory to a number of examples, illustrating that the agents’ initial preferences
determine whether a steady state of solidarity, selfishness or malice will emerge. 相似文献
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We provide experimental evidence to assess whether pro-social leading is motivated by altruism or by a desire to conform with expectations. A sizable minority of individuals act more pro-socially when they can influence others. Whether or not an individual acts more pro-socially when she can influence others, she wants her actions made public only if it will increase others’ pro-sociality, which turns out to be a telltale sign of altruism. Despite some evidence that pro-social leading is partly driven by conformity, altruism wins the day. 相似文献