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Surprising Selection Effects in the UK Car Insurance Market

Author

Listed:
  • Cannon, Edmund

    () (University of Bristol)

  • Cipriani, Giam Pietro

    () (University of Verona)

  • Bazar-Rosen, Katia

    (University of Bristol)

Abstract

We document a large and persistent anomaly in the UK car insurance market over the period 2012-13: insurance companies charged a higher premium for third-party (liability) insurance than comprehensive insurance (which includes third-party). Furthermore, some companies charged higher prices for comprehensive policies with larger deductibles. This evidence suggests both that consumers are too confused or too poorly informed to arbitrage and that sellers of car insurance do not implement the incentive-compatibility constraints at the heart of the adverse-selection model of insurance. This particular insurance market is much less sophisticated than that characterised by modern microeconomic theory.

Suggested Citation

  • Cannon, Edmund & Cipriani, Giam Pietro & Bazar-Rosen, Katia, 2014. "Surprising Selection Effects in the UK Car Insurance Market," IZA Discussion Papers 8172, Institute of Labor Economics (IZA).
  • Handle: RePEc:iza:izadps:dp8172
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    References listed on IDEAS

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    1. Pierre‐André Chiappori & Bruno Jullien & Bernard Salanié & François Salanié, 2006. "Asymmetric information in insurance: general testable implications," RAND Journal of Economics, RAND Corporation, vol. 37(4), pages 783-798, December.
    2. Alma Cohen & Liran Einav, 2007. "Estimating Risk Preferences from Deductible Choice," American Economic Review, American Economic Association, vol. 97(3), pages 745-788, June.
    3. Luigi Buzzacchi & Tommaso M. Valletti, 2005. "Strategic Price Discrimination in Compulsory Insurance Markets," The Geneva Risk and Insurance Review, Palgrave Macmillan;International Association for the Study of Insurance Economics (The Geneva Association), vol. 30(1), pages 71-97, June.
    4. de Meza, David & Webb, David C, 2001. "Advantageous Selection in Insurance Markets," RAND Journal of Economics, The RAND Corporation, vol. 32(2), pages 249-262, Summer.
    5. Finkelstein, Amy & Poterba, James & Rothschild, Casey, 2009. "Redistribution by insurance market regulation: Analyzing a ban on gender-based retirement annuities," Journal of Financial Economics, Elsevier, vol. 91(1), pages 38-58, January.
    6. Wilson, Charles, 1977. "A model of insurance markets with incomplete information," Journal of Economic Theory, Elsevier, vol. 16(2), pages 167-207, December.
    7. Daniel Kahneman, 2003. "Maps of Bounded Rationality: Psychology for Behavioral Economics," American Economic Review, American Economic Association, vol. 93(5), pages 1449-1475, December.
    8. Hajime Miyazaki, 1977. "The Rat Race and Internal Labor Markets," Bell Journal of Economics, The RAND Corporation, vol. 8(2), pages 394-418, Autumn.
    9. repec:rje:randje:v:37:y:2006:i:4:p:783-798 is not listed on IDEAS
    10. Georges Dionne & Christian Gourieroux & Charles Vanasse, 2001. "Testing for Evidence of Adverse Selection in the Automobile Insurance Market: A Comment," Journal of Political Economy, University of Chicago Press, vol. 109(2), pages 444-473, April.
    11. Spence, Michael, 1978. "Product differentiation and performance in insurance markets," Journal of Public Economics, Elsevier, vol. 10(3), pages 427-447, December.
    12. Kuniyoshi Saito, 2006. "Testing for Asymmetric Information in the Automobile Insurance Market Under Rate Regulation," Journal of Risk & Insurance, The American Risk and Insurance Association, vol. 73(2), pages 335-356.
    13. Ania, Ana B. & Troger, Thomas & Wambach, Achim, 2002. "An evolutionary analysis of insurance markets with adverse selection," Games and Economic Behavior, Elsevier, vol. 40(2), pages 153-184, August.
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    More about this item

    Keywords

    bounded rationality; adverse selection; car insurance;

    JEL classification:

    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • G22 - Financial Economics - - Financial Institutions and Services - - - Insurance; Insurance Companies; Actuarial Studies

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