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  How strategy environment and wealth shape altruistic behaviour: cooperation rules affecting wealth distribution in dynamic networks

Pathak, S., Verma, P., Ram, S. K., & Sengupta, S. (2020). How strategy environment and wealth shape altruistic behaviour: cooperation rules affecting wealth distribution in dynamic networks. Proceedings of the Royal Society B: Biological Sciences, 287(1941): 20202250. doi:10.1098/rspb.2020.2250.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0007-AF03-1 Version Permalink: http://hdl.handle.net/21.11116/0000-0007-AF04-0
Genre: Journal Article

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 Creators:
Pathak, Spandan, Author
Verma, Prateek1, Author              
Ram, Sumit K., Author
Sengupta, Supratim, Author
Affiliations:
1Research Group Theoretical Models of Eco-Evolutionary Dynamics, Department Evolutionary Theory, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_2355692              

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 Abstract: Societies rely on individual contributions to sustain public goods that benefit the entire community. Several mechanisms, that specify how individuals change their decisions based on past experiences, have been proposed to explain how altruists are not outcompeted by selfish counterparts. A key aspect of such strategy updates involves a comparison of an individual's latest payoff with that of a random neighbour. In reality, both the economic and social milieu often shapes cooperative behaviour. We propose a new decision heuristic, where the propensity of an individual to cooperate depends on the local strategy environment in which she is embedded as well as her wealth relative to that of her neighbours. Our decision-making model allows cooperation to be sustained and also explains the results of recent experiments on social dilemmas in dynamic networks. Final cooperation levels depend only on the extent to which the strategy environment influences altruistic behaviour but are largely unaffected by network restructuring. However, the extent of wealth inequality in the community is affected by a subtle interplay between the environmental influence on a person's decision to contribute and the likelihood of reshaping social ties, with wealth-inequality levels rising with increasing likelihood of network restructuring in some situations.

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Language(s): eng - English
 Dates: 2020-09-112020-11-232020-12-162020-12-23
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1098/rspb.2020.2250
 Degree: -

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Title: Proceedings of the Royal Society B: Biological Sciences
  Abbreviation : Proc. R. Soc. B
Source Genre: Journal
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Publ. Info: London : Royal Society
Pages: - Volume / Issue: 287 (1941) Sequence Number: 20202250 Start / End Page: - Identifier: ISSN: 0962-8452
CoNE: https://pure.mpg.de/cone/journals/resource/110975500577295_2