The Influencing Factors and Effect Ways of Urban Infrastructure-Related Risks:A Qualitative Comparative Analysis of 20 Mega-Cities in China
The infrastructure of mega-cities is vulnerable due to the complexity of its interconnected networks. When faced with external risks,inadequate responses can lead not only to cascading failures within the infrastruc-ture system but also to risk spillover and other related issues. This study examines the current development status of mega-cities in China within the context of a risk society and focuses on the vulnerabilities of their interconnect-ed infrastructure networks. We select 20 cases of infrastructure risk events in Chinese mega-cities and employ qualitative comparative analysis (QCA) to identify the key factors influencing these risks. The findings reveal the relationships and effect ways between factors related to local government emergency management. Based on this analysis,we propose a four-dimensional safety supervision model—comprising regulatory execution,emergency capacity,subject behavior,and institutional norms—to enhance resilience in responding to risks effectively.
urban infrastructure riskssystem correlationvulnerability of infrastructurequalitative comparative analysis of multiple casesemergency management