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Cream Skimming and Technological Innovations in Automobile Insurance Market

  • Yoichiro Fujii ORCID logo and Shuhei Nishizawa EMAIL logo
Published/Copyright: November 13, 2024

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.

JEL Classification: C91; D82; G22

Corresponding author: Shuhei Nishizawa, Graduate School of Systems and Information Engineering, University of Tsukuba, Tsukuba, Japan, E-mail:

This study was partly supported by JSPS KAKENHI Grant Numbers 17K03637 and 21K01393. The authors thank Hideto Azegami of Toyo Gakuen University and the participants of the 26th Asia-Pacific Risk and Insurance Association Annual Conference.


Award Identifier / Grant number: 17K03637

Award Identifier / Grant number: 21K01393

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Received: 2024-05-24
Accepted: 2024-10-28
Published Online: 2024-11-13

© 2024 Walter de Gruyter GmbH, Berlin/Boston

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