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Estimation of the expected shortfall given an extreme component under conditional extreme value model
Extremes ( IF 1.3 ) Pub Date : 2018-09-05 , DOI: 10.1007/s10687-018-0333-9
Rafał Kulik , Zhigang Tong

For two risks, X and Y, the Marginal Expected Shortfall (MES) is defined as \(\mathbb {E}[Y\mid X>F_{X}^{\leftarrow }(1-p)]\), where FX is the distribution function of X and p is small. In this paper we establish consistency and asymptotic normality of an estimator of MES on assuming that (X, Y ) follows a Conditional Extreme Value (CEV) model. The theoretical findings are supported by simulation studies. Our procedure is applied to some financial data.

中文翻译:

在条件极值模型下给定极端分量的情况下预期短缺的估计

对于XY这两个风险,边际期望缺口(MES)定义为\(\ mathbb {E} [Y \ mid X> F_ {X} ^ {\ leftarrow}(1-p)] \),其中˚F X是的分布函数Xp是小的。在本文中,我们假设(XY)遵循条件极值(CEV)模型,建立MES估计的一致性和渐近正态性。理论研究得到仿真研究的支持。我们的程序适用于一些财务数据。
更新日期:2018-09-05
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