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Evolution of contribution timing in public goods games

View ORCID ProfileBryce Morsky, View ORCID ProfileMarco Smolla, Erol Akçay
doi: https://doi.org/10.1101/2020.01.09.900670
Bryce Morsky
Department of Biology, University of Pennsylvania, Philadelphia, PA, USA
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  • For correspondence: bryce.morsky@gmail.com
Marco Smolla
Department of Biology, University of Pennsylvania, Philadelphia, PA, USA
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Erol Akçay
Department of Biology, University of Pennsylvania, Philadelphia, PA, USA
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Abstract

Life history strategies are a crucial aspect of life, which are complicated in group-living species, where payoffs additionally depend on others’ behaviours. Previous theoretical models of public good games have generally focused on the amounts individuals contribute to the public good. Yet a much less studied strategic aspect of public good games, the timing of contributions, can also have dramatic consequences for individual and collective performance. Here, we develop game theoretical models to explore how the timing of contributions evolves. We show how contributing rapidly is not necessarily optimal, since delayers can act as “cheats,” avoiding contributing while reaping the benefits of the public good. However, delaying too long can put the delayers at a disadvantage as they can miss out on the benefits. These effects lead to bistability in a single group, and spatial diversity among multiple interacting groups.

Footnotes

  • ↵* morsky{at}sas.upenn.edu

  • ↵† smolla{at}sas.upenn.edu

  • ↵‡ eakcay{at}sas.upenn.edu

  • https://github.com/erolakcay/contributiontiming

Copyright 
The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY 4.0 International license.
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Posted January 09, 2020.
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Evolution of contribution timing in public goods games
Bryce Morsky, Marco Smolla, Erol Akçay
bioRxiv 2020.01.09.900670; doi: https://doi.org/10.1101/2020.01.09.900670
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Evolution of contribution timing in public goods games
Bryce Morsky, Marco Smolla, Erol Akçay
bioRxiv 2020.01.09.900670; doi: https://doi.org/10.1101/2020.01.09.900670

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