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Article type: Research Article
Authors: Xie, Rongjiana; b | Jia, Yucaib | Wu, Yuanmeib | Zhang, Peiyunc; *
Affiliations: [a] Business School, Nanjing University of Information Science & Technology, Nanjing, China | [b] School of Economics and Management, Anhui Polytechnic University, Wuhu, China | [c] School of Computer and Software, Nanjing University of Information Science & Technology, Nanjing, China
Correspondence: [*] Corresponding author. Peiyun Zhang, School of Computer, Nanjing University of Information Science & Technology, Nanjing 210044, China. E-mail: [email protected].
Abstract: During major epidemics, monitoring vaccine quality can ensure the public health and social stability. Considering that social media has become an important way for the public to obtain external information during the epidemic. We developed a dual regulatory system of vaccine quality with the government in the leading role and the participation of We Media, and constructed a four-party evolutionary game model (government regulatory agency, We Media, vaccine industry groups, and the public) and analyzed the stability of each game player’s strategy choice. The system’s possible equilibrium points are identified using Lyapunov’s first law. Then the game trajectory between stakeholders is simulated by MATLAB, the effects of initial intention and parameters on the evolution process and results are analyzed. The results show that to ensure the quality and safety of vaccines and stabilize network public opinion during epidemics, the government should invest in an effective supervision mechanism. By strengthening responsibility, increasing penalties, and reducing supervision costs, the probability of vaccine industry groups providing high-quality vaccines is effectively enhanced. Restricting the behavior of We Media and supervising vaccine industry groups to reduce speculation reduces the cost of government supervision and improves its efficiency.
Keywords: Major epidemics, vaccine quality, dual regulatory system, four-party evolutionary game
DOI: 10.3233/JIFS-212146
Journal: Journal of Intelligent & Fuzzy Systems, vol. 42, no. 6, pp. 5695-5714, 2022
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