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Insurance Pools for New Undiversifiable Risk

Author

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  • David Alary

    (TSE-R - Toulouse School of Economics - UT Capitole - Université Toulouse Capitole - UT - Université de Toulouse - INRA - Institut National de la Recherche Agronomique - EHESS - École des hautes études en sciences sociales - CNRS - Centre National de la Recherche Scientifique)

  • Catherine Bobtcheff

    (TSE-R - Toulouse School of Economics - UT Capitole - Université Toulouse Capitole - UT - Université de Toulouse - INRA - Institut National de la Recherche Agronomique - EHESS - École des hautes études en sciences sociales - CNRS - Centre National de la Recherche Scientifique)

  • Carole Haritchabalet

    (CATT - Centre d'Analyse Théorique et de Traitement des données économiques - UPPA - Université de Pau et des Pays de l'Adour)

Abstract

The European insurance industry benefits from some special antitrust exemptions. Indeed, insurers can syndicate, via a "pool", for the coverage of undiversifiable risks. We show that the pool issue amounts to share a common value divisible good between capacity constrained agents with a reserve price and private information. We characterize the equilibrium risk premium of this game and the resulting insurance capacity offered. We then compare the pool to a discriminatory auction upon two dimensions, the total capacity insured and the premiums. There is no clear domination of one auction format. Strength of affiliation and competition are key variables.

Suggested Citation

  • David Alary & Catherine Bobtcheff & Carole Haritchabalet, 2017. "Insurance Pools for New Undiversifiable Risk," Post-Print hal-02439718, HAL.
    • Handle: RePEc:hal:journl:hal-02439718
    Note: View the original document on HAL open archive server: https://univ-pau.hal.science/hal-02439718
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    References listed on IDEAS

    as
    1. Doherty, Neil A & Dionne, Georges, 1993. "Insurance with Undiversifiable Risk: Contract Structure and Organizational Form of Insurance Firms," Journal of Risk and Uncertainty, Springer, vol. 6(2), pages 187-203, April.
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    5. Olivier Mahul, 2003. "Efficient risk sharing within a catastrophe insurance pool," Post-Print hal-01952094, HAL.
    6. Back, Kerry & Zender, Jaime F, 1993. "Auctions of Divisible Goods: On the Rationale for the Treasury Experiment," The Review of Financial Studies, Society for Financial Studies, vol. 6(4), pages 733-764.
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