Coevolutionary dynamics of strategy and network structure with publicity mechanism

Jinming Du and Ziren Wu

Physica A: Statistical Mechanics and its Applications, 2023, vol. 623, issue C

Abstract: Understanding the emergence of cooperation on complex dynamic networks, especially how the dynamic changes of network topology interact with individual decision-makings, is an important interdisciplinary topic. This paper studies the coevolution of individual strategies and network structures by proposing a linking dynamics and introducing a publicity mechanism during the rewiring process of networks. Individuals can expand their popularity by spending some cost to publicize themselves, thereby increasing the likelihood of being connected in dynamic networks. It is found that the comparison between the publicity intensity of cooperation and defection determines which strategy is dominant in the evolutionary process. However, the existence of publicity costs will suppress the expansion of hype strategies such as defection. Excessive publicizing often fails to earn returns equivalent to huge costs. It is further revealed that in the process of dynamic adjustment of the network, the preference of network links, i.e. the combination of link breaking probabilities between different types of nodes, is an important factor that directly affects the evolution of cooperation.

Keywords: Evolutionary game; Cooperation; Coevolution; Linking dynamics; Publicity mechanism (search for similar items in EconPapers)
Date: 2023
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:623:y:2023:i:c:s0378437123004570

DOI: 10.1016/j.physa.2023.128902

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