Cream Skimming and Technological Innovations in Automobile Insurance Market

Fujii Yoichiro () and Nishizawa Shuhei ()
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Fujii Yoichiro: School of Commerce, Meiji University, Chiyoda, Japan
Nishizawa Shuhei: Graduate School of Systems and Information Engineering, 13121 University of Tsukuba , Tsukuba, Japan

Asia-Pacific Journal of Risk and Insurance, 2025, vol. 19, issue 1, 53-62

Abstract: This study examines the effect of telematics devices on the automobile insurance market. Automobile insurance using these devices is marketed as pay-how-you-drive (PHYD) automobile insurance. Insurers can directly monitor the insured’s vehicle for risky driving behaviors such as speeding. Some of insureds receive discounts on their premiums for driving more cautiously. On the other hand, accumulating the insured’s driving skills, insurers may be able to only sign up insureds with low accident rates, widely known as cream skimming. By applying Hodgson (2014. “Adverse Selection in Health Insurance Markets: A Classroom Experiment.” The Journal of Economic Education 45 (2): 90–100), we tested whether PHYD programs makes it easier for insurers to contract with low-risk drivers. Repeated cream skimming suggests that only high-risk drivers remain in the market and a residual market cannot be established, which could lead to adverse selection and market failure in the absence of any regulations. However, the experiment revealed that low-risk but highly risk-averse subjects tend to dislike the fluctuation in premiums by enrolling in PHYD programs. The results could be effective in future regulatory construction.

Keywords: cream skimming; adverse selection; telematics devices; pay-how-you-drive (PHYD) automobile insurance (search for similar items in EconPapers)
JEL-codes: C91 D82 G22 (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1515/apjri-2024-0023

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