Heterogeneous investment in spatial public goods game with mixed strategy
Date
2018
Authors
Ding, H.
Zhang, Y.
Ren, Y.
Shi, B.
Choo, R.
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Journal article
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Soft Computing, 2018; 22(4):1287-1294
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Abstract
Understanding and maximizing the effects of heterogeneous investment, particularly in a socially diverse society, on the evolution of cooperation have been the focus of recent research. In the most existing studies, individuals are limited to make binary decisions (i.e., either cooperate or defect). This is unrealistic in many real-world situations. In this paper, we investigate the effect of a heterogeneous investment on the evolution of cooperation in mixed strategy public goods games, wherein individuals have different probability of cooperation. Specifically, players are able to distribute heterogeneous investments into different groups, and they tend to allocate their investment into the group which achieves a higher return on investment (e.g., payoffs). Simulation results show that the formation of cooperative clusters allows cooperative players to resist the exploitation of defective players; subsequently, the cooperation level of the whole population significantly increases. Moreover, the results also show that cooperative clusters become more robust when the investment redistribution decision relies on more recent information. Our study may offer new insights into how strategy diversity promotes the evolutionary of cooperation in realistic situations.
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Copyright 2016 Springer-Verlag Berlin Heidelberg