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Comparative analysis demonstrates higher profit efficiency for independent-agency property-liability insurers, indicating that superior service quality offsets higher operational costs.
Property-liability insurance is distributed through a direct-writer system, where agents represent one insurer, and an independent-agency system, where agents represent several insurers. Independent-agency insurers have higher costs than direct writers. The market-imperfections hypothesis attributes the coexistence of the two types of insurers to impediments to competition, while the product-quality hypothesis holds that independent-agency insurers provide higher-quality services. The authors measure cost efficiency and profit efficiency for property-liability insurers and find strong support for the product-quality hypothesis, implying that independent-agency insurers produce higher-quality outputs and are compensated by higher revenues.
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Berger et al. (1997) studied this question.
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