The Impact of Climate Risk on Insurers’ Sustainable Operational Efficiency: Empirical Evidence from China

Ziheng Xu, Houqing Fang () and Weidong Wang
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Ziheng Xu: School of Mathematical Sciences, Jiangsu University, Zhenjiang 212013, China
Houqing Fang: School of Mathematical Sciences, Jiangsu University, Zhenjiang 212013, China
Weidong Wang: School of Finance and Economics, Jiangsu University, Zhenjiang 212013, China

Sustainability, 2025, vol. 17, issue 8, 1-38

Abstract: The operational efficiency of insurance companies is crucial for their long-term stability and sustainable development. Climate risk has emerged as a significant factor affecting insurers’ operational performance in the context of global climate change and sustainable development goals. Although prior research provides a solid foundation, further exploration is needed to clarify how climate risk influences insurers’ efficiency and underlying mechanisms. This paper uses panel data from 248 Chinese insurance companies spanning 2011 to 2021 to construct a climate risk indicator and systematically examines the potential pathways through which this indicator influences operational efficiency. Precisely, absolute temperature deviation measures physical climate risk, and an entropy-weighted method captures climate transition risk; the DEA model evaluates operating efficiency. A fixed-effects model reveals that physical climate risk may adversely affect operational efficiency, while climate transition risk demonstrates a U-shaped relationship with efficiency. Mechanism analysis shows that physical climate risk increases exposure to natural disaster losses, whereas transition risk may encourage green insurance development. Heterogeneity emerges across insurer types and between coastal and non-coastal regions, with resilient infrastructure mitigating the adverse effects of physical risks and insurance technology driving gradual transformation to offset initial transition risks. Overall, this study expands the perspective on how climate risk shapes the insurance industry’s sustainable development, offering theoretical and practical insights for policymakers to optimize risk management and promote green finance.

Keywords: climate risk; insurance company; operational efficiency (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2025
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