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Isotonic regression for functionals of elicitation complexity greater than one

06/29/2021

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by Anja Mühlemann, et al.

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We study the non-parametric isotonic regression problem for bivariate elicitable functionals that are given as an elicitable univariate functional and its Bayes risk. Prominent examples for functionals of this type are (mean, variance) and (Value-at-Risk, Expected Shortfall), where the latter pair consists of important risk measures in finance. We present our results for totally ordered covariates but extenstions to partial orders are given in the appendix.

Anja Mühlemann
2 publications
Johanna F. Ziegel
13 publications

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