Cooperation in Social Dilemmas: A Group Game Model with Double-Layer Networks

Dongwei Guo, Mengmeng Fu and Hai Li
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Dongwei Guo: College of Computer Science and Technology, Jilin University, Changchun 130012, China
Mengmeng Fu: College of Computer Science and Technology, Jilin University, Changchun 130012, China
Hai Li: College of Computer Science and Technology, Jilin University, Changchun 130012, China

Future Internet, 2021, vol. 13, issue 2, 1-27

Abstract: The combination of complex networks and game theory is one of the most suitable ways to describe the evolutionary laws of various complex systems. In order to explore the evolution of group cooperation in multiple social dilemmas, a model of a group game with a double-layer network is proposed here. Firstly, to simulate a multiplayer game under multiple identities, we combine a double-layer network and public goods game. Secondly, in order to make an individual’s strategy selection process more in line with a practical context, a new strategy learning method that incorporates individual attributes is designed here, referred to as a “public goods game with selection preferences” (PGG-SP), which makes strategic choices that are more humane and diversified. Finally, a co-evolution mechanism for strategies and topologies is introduced based on the double-layer network, which effectively explains the dynamic game process in real life. To verify the role of multiple double-layer networks with a PGG-SP, four types of double-layer networks are applied in this paper. In addition, the corresponding game results are compared between single-layer, double-layer, static, and dynamic networks. Accordingly, the results show that double-layer networks can facilitate cooperation in group games.

Keywords: double-layer complex networks; public goods game; cooperation (search for similar items in EconPapers)
JEL-codes: O3 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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