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The distortion principle for insurance pricing: properties, identification and robustness

Author

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  • Debora Daniela Escobar

    (University of Vienna)

  • Georg Ch. Pflug

    (ISOR and International Institute for Applied Systems Analysis (IIASA))

Abstract

Distortion (Denneberg in ASTIN Bull 20(2):181–190, 1990) is a well known premium calculation principle for insurance contracts. In this paper, we study sensitivity properties of distortion functionals w.r.t. the assumptions for risk aversion as well as robustness w.r.t. ambiguity of the loss distribution. Ambiguity is measured by the Wasserstein distance. We study variances of distances for probability models and identify some worst case distributions. In addition to the direct problem we also investigate the inverse problem, that is how to identify the distortion density on the basis of observations of insurance premia.

Suggested Citation

  • Debora Daniela Escobar & Georg Ch. Pflug, 2020. "The distortion principle for insurance pricing: properties, identification and robustness," Annals of Operations Research, Springer, vol. 292(2), pages 771-794, September.
    • Handle: RePEc:spr:annopr:v:292:y:2020:i:2:d:10.1007_s10479-018-3119-1
    DOI: 10.1007/s10479-018-3119-1
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    References listed on IDEAS

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