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- W625514318 abstract "In this paper, we propose a parametric model for multivariate distributions. The model is based on distortion functions, i.e. some transformations of a multivariate distribution which permit to generate new families of multivariate distribution functions. We derive some properties of considered distortions. A suitable proximity indicator between level curves is introduced in order to evaluate the quality of candidate distortion parameters. Using this proximity indicator and properties of distorted level curves, we give a specific estimation procedure. The estimation algorithm is mainly relying on straightforward univariate optimizations, and we finally get parametric representations of both multivariate distribution functions and associated level curves. Our results are motivated by applications in multivariate risk theory. The methodology is illustrated on real examples." @default.
- W625514318 created "2016-06-24" @default.
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- W625514318 date "2012-11-12" @default.
- W625514318 modified "2023-09-23" @default.
- W625514318 title "Distortions of multivariate risk measures: a level-sets based approach" @default.
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