Social bond dynamics and the evolution of helping | PNAS thumbnail
Social bond dynamics and the evolution of helping | PNAS
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A case of particular interest is when individuals develop a network of friends and exchange help through these social bonds. We find that there is a form of reciprocity in socially bonded pairs, which is neither immediate nor very strict, and that relatively small social neighborhoods are required f
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  • A case of particular interest is when individuals develop a network of friends and exchange help through these social bonds.
  • We find that there is a form of reciprocity in socially bonded pairs, which is neither immediate nor very strict, and that relatively small social neighborhoods are required for the evolutionary stability of helping.

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