Fairness of Ratemaking for Catastrophe Insurance: Lessons from Machine Learning

精算学 意外伤害保险 估价(财务) 准备 业务 一般保险 保险单 风险管理 可保性 保险法 再保险 经济 财务 管理
作者
Nan Zhang,Heng Xu
出处
期刊:Information Systems Research [Institute for Operations Research and the Management Sciences]
卷期号:35 (2): 469-488 被引量:4
标识
DOI:10.1287/isre.2022.1195
摘要

A hallmark of information technology use in disaster management is the wide adoption of complex information systems for risk assessment, portfolio management, and ratemaking in catastrophe insurance. Whereas the importance of catastrophe insurance to disaster preparedness is beyond dispute, catastrophe insurers are increasingly reckoning with the potential impact of inequality in insurance practices. Historically, the presence of inequalities in insurance, from redlining to pricing disparity, has had a devastating impact on minority communities. Even recently, people living in predominantly African American communities can still be charged more for the same insurance coverage than people living in other communities. Whereas the fairness of insurance ratemaking is studied in general, we identify a unique challenge for catastrophe insurance that sets it apart from other lines of insurance. Drawing upon the recent advances in machine learning for fair data valuation, we reveal striking connections between the two seemingly unrelated problems and lean on insights from machine learning to study the fairness of ratemaking methods for catastrophe insurance. Our results indicate the potential existence of disparate impact against minorities across existing methods, pointing to a unique solution that can satisfy a few commonly assumed properties of fair ratemaking for catastrophe insurance.
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