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Loss-Based Risk Measures

Rama Cont (), Romain Deguest and Xuedong He
Additional contact information
Rama Cont: LPMA - Laboratoire de Probabilités et Modèles Aléatoires - UPMC - Université Pierre et Marie Curie - Paris 6 - UPD7 - Université Paris Diderot - Paris 7 - CNRS - Centre National de la Recherche Scientifique, IEOR Dept - Industrial Engineering and Operations Research Department - Columbia University [New York]
Romain Deguest: EDHEC-Risk Institute - EDHEC - EDHEC Business School - UCL - Université catholique de Lille
Xuedong He: IEOR Dept - Industrial Engineering and Operations Research Department - Columbia University [New York]

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Abstract: Starting from the requirement that risk measures of financial portfolios should be based on their losses, not their gains, we define the notion of loss-based risk measure and study the properties of this class of risk measures. We characterize loss-based risk measures by a representation theorem and give examples of such risk measures. We then discuss the statistical robustness of estimators of loss-based risk measures: we provide a general criterion for qualitative robustness of risk estimators and compare this criterion with sensitivity analysis of estimators based on influence functions. Finally, we provide examples of statistically robust estimators for loss-based risk measures.

Keywords: risk measure; coherent risk measure; Fenchel-Legendre transform; Choquet capacity (search for similar items in EconPapers)
Date: 2011
New Economics Papers: this item is included in nep-fmk, nep-mic, nep-rmg and nep-upt
Note: View the original document on HAL open archive server: https://hal.science/hal-00629929
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Citations: View citations in EconPapers (1)

Published in 2011

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