Estimation of tail risk based on extreme expectiles

A Daouia, S Girard, G Stupfler - Journal of the Royal Statistical …, 2018 - academic.oup.com
We use tail expectiles to estimate alternative measures to the value at risk and marginal
expected shortfall, which are two instruments of risk protection of utmost importance in …

Estimation of the marginal expected shortfall: the mean when a related variable is extreme

JJ Cai, JHJ Einmahl, L Haan… - Journal of the Royal …, 2015 - academic.oup.com
Denote the loss return on the equity of a financial institution as X and that of the entire
market as Y. For a given very small value of p> 0, the marginal expected shortfall (MES) is …

Tail expectile process and risk assessment

A Daouia, S Girard, G Stupfler - 2020 - projecteuclid.org
Tail expectile process and risk assessment Page 1 Bernoulli 26(1), 2020, 531–556 https://doi.org/10.3150/19-BEJ1137
Tail expectile process and risk assessment ABDELAATI DAOUIA1, STÉPHANE GIRARD2 …

Extreme M-quantiles as risk measures: From to optimization

A Daouia, S Girard, G Stupfler - 2019 - projecteuclid.org
Extreme M-quantiles as risk measures: From L1 to Lp optimization Page 1 Bernoulli 25(1), 2019,
264–309 https://doi.org/10.3150/17-BEJ987 Extreme M-quantiles as risk measures: From L 1 to L …

Learning extreme expected shortfall and conditional tail moments with neural networks. Application to cryptocurrency data

M Allouche, S Girard, E Gobet - Neural Networks, 2025 - Elsevier
We propose a neural networks method to estimate extreme Expected Shortfall, and even
more generally, extreme conditional tail moments as functions of confidence levels, in heavy …

Nonparametric extreme conditional expectile estimation

S Girard, G Stupfler… - Scandinavian Journal of …, 2022 - Wiley Online Library
Expectiles and quantiles can both be defined as the solution of minimization problems.
Contrary to quantiles though, expectiles are determined by tail expectations rather than tail …

Extreme versions of Wang risk measures and their estimation for heavy-tailed distributions

J El Methni, G Stupfler - Statistica Sinica, 2017 - JSTOR
In this paper, we build simple extreme analogues of Wang distortion risk measures and we
show how this makes it possible to consider many standard measures of extreme risk …

Estimating copula-based extension of tail value-at-risk and its application in insurance claim

K Syuhada, O Neswan, BP Josaphat - Risks, 2022 - mdpi.com
Dependent Tail Value-at-Risk, abbreviated as DTVaR, is a copula-based extension of Tail
Value-at-Risk (TVaR). This risk measure is an expectation of a target loss once the loss and …

Machine-Learning-enhanced systemic risk measure: A Two-Step supervised learning approach

R Liu, CS Pun - Journal of Banking & Finance, 2022 - Elsevier
This paper explores ways to improve the existing systemic risk measures by incorporating
machine learning algorithms into the measurement. We aim to overcome the shortcomings …

Co‐occurrence of extreme daily rainfall in the French Mediterranean region

J Blanchet, JD Creutin - Water Resources Research, 2017 - Wiley Online Library
We propose in this article a statistical framework to study local disparities in the co‐
occurrence of extreme rainfall in the French Mediterranean region. We employ a region‐of …