HETEROGENEOUS ASPIRATIONS PROMOTE COOPERATION IN THE PUBLIC GOODS GAME

Lei Sun, Han-Xin Yang (), Shao-Min Chen and Ya-Shan Chen
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Lei Sun: Department of Physics, Zhicheng College of Fuzhou University, Fuzhou 350002, P. R. China
Han-Xin Yang: Department of Physics, Fuzhou University, Fuzhou 350108, P. R. China
Shao-Min Chen: Department of Physics, Zhicheng College of Fuzhou University, Fuzhou 350002, P. R. China
Ya-Shan Chen: Department of Physics, Zhicheng College of Fuzhou University, Fuzhou 350002, P. R. China

International Journal of Modern Physics C (IJMPC), 2013, vol. 24, issue 01, 1-7

Abstract: We study the impact of heterogeneous aspirations on the spatial public goods game (PGG) in a square lattice. An aspiration parameteruis introduced to decide who will be more probably to become the potential strategy source in structured population. Individuals are divided into two groupsA(u > 0)andB(u = 0)by fractionvand1 - v. We study howuandvaffect cooperation in the PGG. For low values ofu, the cooperation level monotonously increases asvincreases. However, for large values ofu, there exist an intermediatev ≈ 0.5for which cooperation thrives best. The influence of noise is also investigated. We find that the highest threshold of phase transition is reached at the middle value of noise.

Keywords: PGG; aspiration; cooperation; 89.75.Hc; 02.50.Le (search for similar items in EconPapers)
Date: 2013
References: View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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DOI: 10.1142/S0129183112500891

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