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Diffusion Mechanism of Regional Collaborative Strategy in Public Health Emergencies Considering Vertical Intervention

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  • Xiaoli Li

    (School of Economics Management, and Law, University of South China, Hengyang 421001, China)

  • Luo Wu

    (School of Mechanical Engineering, Hunan Financial & Industrial Vocational-Technical College, Hengyang 421002, China)

Abstract

Frequent occurrences of inter-regional emergencies constitute critical impediments to global security and sustainable development, necessitating enhanced intergovernmental emergency collaboration. This study employs a network evolutionary game model (NEGM) to examine how vertical interventions shape diffusion mechanisms of cooperative strategies among local governments. The results show that (1) solely intensifying penalties or rewards yields diminishing marginal returns in incentivizing local governments to adopt a proactive cooperative strategy; (2) elevating the cost-sharing index significantly accelerates the diffusion rate of cooperative strategies, effectively mobilizing broader subnational engagement in public health emergency response; and (3) the tripartite integration of penalty-based enforcement, reward incentives, and cost-sharing mechanisms demonstrates synergistic superiority over alternative policy instruments—whether implemented individually or in pairwise combinations.

Suggested Citation

  • Xiaoli Li & Luo Wu, 2026. "Diffusion Mechanism of Regional Collaborative Strategy in Public Health Emergencies Considering Vertical Intervention," Games, MDPI, vol. 17(3), pages 1-25, May.
    • Handle: RePEc:gam:jgames:v:17:y:2026:i:3:p:26-:d:1951546
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