Aspiration-induced reconnection in spatial public-goods game

In this letter, we introduce an aspiration-induced reconnection mechanism into the spatial public-goods game. A player will reconnect to a randomly chosen player if its payoff acquired from the group centered on the neighbor does not exceed the aspiration level. We find that an intermediate aspirati...

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Bibliographic Details
Published in:Europhysics letters 2011-04, Vol.94 (1), p.18006
Main Authors: Zhang, Hai-Feng, Liu, Run-Ran, Wang, Zhen, Yang, Han-Xin, Wang, Bing-Hong
Format: Article
Language:English
Subjects:
02.50.Le
87.23.Cc
87.23.Ge
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Summary:In this letter, we introduce an aspiration-induced reconnection mechanism into the spatial public-goods game. A player will reconnect to a randomly chosen player if its payoff acquired from the group centered on the neighbor does not exceed the aspiration level. We find that an intermediate aspiration level can promote cooperation best. This optimal phenomenon can be explained by a negative feedback effect, namely, intermediate aspiration level is able to result in a weak peak of reconnection, which will effectively change the downfall of cooperators and facilitate the fast spreading of cooperation. While insufficient reconnection and excessive reconnection induced by low and high aspiration levels are not conductive to such an effect. Moreover, we find that the intermediate aspiration level can lead to the heterogeneous distribution of degree, which will be beneficial to the evolution of cooperation.
ISSN:0295-5075
1286-4854
DOI:10.1209/0295-5075/94/18006