期刊
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
卷 391, 期 8, 页码 2617-2622出版社
ELSEVIER
DOI: 10.1016/j.physa.2011.12.005
关键词
Public goods game; Dynamic allocation mechanism; Cooperation level
资金
- National Important Research Project [91024026]
- National Natural Science Foundation of China [11005001, 10975126, 10635040]
- Anhui University [2009QN003A, KJTD002B]
In this paper, we introduce a dynamic allocation investment mechanism into the spatial public goods game. In the model, if a cooperator i collects more payoffs from one group centered on the player j in the last round, he will put more investments to the group in the next round. The intensity of investment is controlled by a tunable parameter a. Simulation results show that the emergence of cooperation is remarkably promoted, and a larger a induces a higher cooperation level. These interesting phenomena are then extensively explained by pairwise investments, average payoffs and evolution snapshots. (C) 2011 Elsevier B.V. All rights reserved.
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