Portmanteau Goodness-of-Fit Test for Asymmetric Power GARCH Models

被引：0
|
作者：
Carbon, Michel [1 ,2 ]
Francq, Christian [3 ,4 ]
机构：
[1] Univ Rennes 2, Rennes, France
[2] ENSAI, Bruz, France
[3] CNRS, CREST, Paris, France
[4] Univ Lille 3, EQUIPPE, Lille, France
来源：
AUSTRIAN JOURNAL OF STATISTICS | 2011年 / 40卷 / 1-2期
关键词：
ARCH Models; Leverage Effect; Portmanteau Test; Goodness-of-Fit Test; Diagnostic Checking;
D O I：
暂无
中图分类号：
O21 [概率论与数理统计]; C8 [统计学];
学科分类号：
020208 ; 070103 ; 0714 ;
摘要：
The asymptotic distribution of a vector of autocorrelations of squared residuals is derived for a wide class of asymmetric GARCH models. Portmanteau adequacy tests are deduced. These results are obtained under moment assumptions on the iid process, but fat tails are allowed for the observed process, which is particularly relevant for series of financial returns. A Monte Carlo experiment and an illustration to financial series are also presented.
引用
收藏
页码：55 / 64
页数：10
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