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Título : Emergence and Evolution of Cooperation Under Resource Pressure
Autor : Pereda, María
Zurro, Débora
Santos Martín, José Ignacio
Briz i Godino, Ivan
Álvarez, Myrian
Caro, Jorge
Galán Ordax, José Manuel
Publicado en: Scientific Reports. 2017, 7, art.45574
Editorial : Nature Publishing Group
Fecha de publicación : mar-2017
Resumen : We study the influence that resource availability has on cooperation in the context of hunter-gatherer societies. This paper proposes a model based on archaeological and ethnographic research on resource stress episodes, which exposes three different cooperative regimes according to the relationship between resource availability in the environment and population size. The most interesting regime represents moderate survival stress in which individuals coordinate in an evolutionary way to increase the probabilities of survival and reduce the risk of failing to meet the minimum needs for survival. Populations self-organise in an indirect reciprocity system in which the norm that emerges is to share the part of the resource that is not strictly necessary for survival, thereby collectively lowering the chances of starving. Our findings shed further light on the emergence and evolution of cooperation in hunter-gatherer societies.
URI : http://hdl.handle.net/10259/4408
Versión del editor: https://doi.org/10.1038/srep45574
Aparece en las colecciones: Artículos GIO

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