Positive correlation between strategy persistence and teaching ability promotes cooperation in evolutionary Prisoner’s Dilemma games

Danna Liu, Changwei Huang, Qionglin Dai and Haihong Li

Physica A: Statistical Mechanics and its Applications, 2019, vol. 520, issue C, 267-274

Abstract: Strategy persistence and heterogeneous teaching ability are two factors that play important roles in promoting cooperation. In this work, we simultaneously take the strategy persistence and heterogeneous teaching ability into account in evolutionary prisoner’s dilemma games. We introduce the correlation between strategy persistence (τ) and teaching ability (ω) by partitioning a population into two groups. In the positive (negative) correlation scheme, individuals in one group are assigned with large τ and ω=1 (reduced teaching ability ω<1) and those in the other with τ=0 and ω<1 (ω=1). The simulation results show that, compared to negative correlation, positive correlation between strategy persistence and teaching ability can greatly enhance cooperation and result in a much higher cooperation level. Furthermore, we show that the finding is robust with respect to reduced teaching ability ω, initial cooperator fraction f0, amplitude of noise K and underlying network topology.

Keywords: Evolutionary game; Cooperation; Persistence; Teaching ability (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (17)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:520:y:2019:i:c:p:267-274

DOI: 10.1016/j.physa.2019.01.041

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