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Stochastic orderings with respect to a capacity and an application to a financial optimization problem

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  • Grigorova Miryana

    (Laboratoire de Probabilités et Modèles Aléatoires (CNRS-UMR 7599); Université Paris Diderot (Paris 7); 5 rue Thomas Mann; 75013 Paris; France)

Abstract

By analogy with the classical case of a probability measure, we extend the notion of increasing convex (concave) stochastic dominance relation to the case of a normalized monotone (but not necessarily additive) set function also called a capacity. We give different characterizations of this relation establishing a link to the notions of distribution function and quantile function with respect to the given capacity. The Choquet integral is extensively used as a tool. In the second part of the paper, we give an application to a financial optimization problem whose constraints are expressed by means of the increasing convex stochastic dominance relation with respect to a capacity. The problem is solved by using, among other tools, a result established in our previous work, namely a new version of the classical upper (resp. lower) Hardy–Littlewood's inequality generalized to the case of a continuous from below concave (resp. convex) capacity. The value function of the optimization problem is interpreted in terms of risk measures (or premium principles).

Suggested Citation

  • Grigorova Miryana, 2014. "Stochastic orderings with respect to a capacity and an application to a financial optimization problem," Statistics & Risk Modeling, De Gruyter, vol. 31(2), pages 1-31, June.
    • Handle: RePEc:bpj:strimo:v:31:y:2014:i:2:p:31:n:4
    DOI: 10.1515/strm-2013-1151
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    References listed on IDEAS

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