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On Liability Insurance for Automobiles


  • Flåm, Sjur Didrik
  • Wolfstetter, Elmar G.


Car owners are liable for property damage inflicted on other motorists. In most countries such liability must be insured by law. That law may favor expensive or heavy vehicles, prone to suffer or inflict large losses. This paper explores links between liability rules and vehicle choice. It presumes cooperative insurance, but non-cooperative acquisition of vehicles. Thus, the Nash equilibrium and its degree of efficiency depend on the liability regime.

Suggested Citation

  • Flåm, Sjur Didrik & Wolfstetter, Elmar G., 2010. "On Liability Insurance for Automobiles," Discussion Paper Series of SFB/TR 15 Governance and the Efficiency of Economic Systems 321, Free University of Berlin, Humboldt University of Berlin, University of Bonn, University of Mannheim, University of Munich.
  • Handle: RePEc:trf:wpaper:321

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    References listed on IDEAS

    1. David Rahman & Ichiro Obara, 2010. "Mediated Partnerships," Econometrica, Econometric Society, vol. 78(1), pages 285-308, January.
    2. Bester, Helmut & Strausz, Roland, 2007. "Contracting with imperfect commitment and noisy communication," Journal of Economic Theory, Elsevier, vol. 136(1), pages 236-259, September.
    3. Myerson, Roger B., 1982. "Optimal coordination mechanisms in generalized principal-agent problems," Journal of Mathematical Economics, Elsevier, vol. 10(1), pages 67-81, June.
    4. Forges, Francoise M, 1986. "An Approach to Communication Equilibria," Econometrica, Econometric Society, vol. 54(6), pages 1375-1385, November.
    5. Myerson, Roger B, 1986. "Multistage Games with Communication," Econometrica, Econometric Society, vol. 54(2), pages 323-358, March.
    6. Kay Mitusch & Roland Strausz, 2005. "Mediation in Situations of Conflict and Limited Commitment," Journal of Law, Economics, and Organization, Oxford University Press, vol. 21(2), pages 467-500, October.
    7. Eric Rasmusen, 1987. "Moral Hazard in Risk-Averse Teams," RAND Journal of Economics, The RAND Corporation, vol. 18(3), pages 428-435, Autumn.
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    More about this item


    liability; mutual insurance; core; pure Nash equilibrium; anonymous games; non-atomic measure;

    JEL classification:

    • C71 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Cooperative Games
    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
    • D61 - Microeconomics - - Welfare Economics - - - Allocative Efficiency; Cost-Benefit Analysis
    • K13 - Law and Economics - - Basic Areas of Law - - - Tort Law and Product Liability; Forensic Economics

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