Cooperation transitions in social games induced by aspiration-driven players

dc.contributor.authorAguilar-Janita, Miguel
dc.contributor.authorKhalil, Nagi
dc.contributor.authorLeyva, Inmaculada
dc.contributor.authorSendiña-Nadal, Irene
dc.date.accessioned2024-02-15T07:37:27Z
dc.date.available2024-02-15T07:37:27Z
dc.date.issued2024-02-12
dc.description.abstractCooperation and defection are social traits whose evolutionary origin is still unresolved. Recent behavioral experiments with humans suggested that strategy changes are driven mainly by the individuals' expectations and not by imitation. This work theoretically analyzes and numerically explores an aspiration-driven strategy updating in a well-mixed population playing games. The payoffs of the game matrix and the aspiration are condensed into just two parameters that allow a comprehensive description of the dynamics. We find continuous and abrupt transitions in the cooperation density with excellent agreement between theory and the Gillespie simulations. Under strong selection, the system can display several levels of steady cooperation or get trapped into absorbing states. These states are still relevant for experiments even when irrational choices are made due to their prolonged relaxation times. Finally, we show that for the particular case of the prisoner dilemma, where defection is the dominant strategy under imitation mechanisms, the self-evaluation update instead favors cooperation nonlinearly with the level of aspiration. Thus, our work provides insights into the distinct role between imitation and self-evaluation with no learning dynamics.es
dc.identifier.citationPHYSICAL REVIEW E 109, 024107 (2024) Cooperation transitions in social games induced by aspiration-driven players M. Aguilar-Janita, N. Khalil, I. Leyva and I. Sendiña-Nadales
dc.identifier.doi10.1103/PhysRevE.109.024107es
dc.identifier.urihttps://hdl.handle.net/10115/30469
dc.language.isoenges
dc.rightsAtribución 4.0 Internacional*
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.titleCooperation transitions in social games induced by aspiration-driven playerses
dc.typeinfo:eu-repo/semantics/articlees

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