Stable limits for sums of dependent infinite variance random variables

被引:39
|
作者
Bartkiewicz, Katarzyna [1 ]
Jakubowski, Adam [1 ]
Mikosch, Thomas [2 ]
Wintenberger, Olivier [3 ]
机构
[1] Nicholas Copernicus Univ, Fac Math & Comp Sci, PL-87100 Torun, Poland
[2] Univ Copenhagen, Lab Actuarial Math, DK-2100 Copenhagen, Denmark
[3] Univ Paris 09, Ctr Rech Math Decis, CNRS, UMR 7534, F-75775 Paris 16, France
关键词
Stationary sequence; Stable limit distribution; Weak convergence; Mixing; Weak dependence; Characteristic function; Regular variation; GARCH; Stochastic volatility model; ARMA process; MOVING AVERAGES; SAMPLE AUTOCORRELATIONS; MINIMAL CONDITIONS; TIME-SERIES; THEOREMS; CONVERGENCE; SEQUENCES; EQUATIONS; LAWS;
D O I
10.1007/s00440-010-0276-9
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 aim of this paper is to provide conditions which ensure that the affinely transformed partial sums of a strictly stationary process converge in distribution to an infinite variance stable distribution. Conditions for this convergence to hold are known in the literature. However, most of these results are qualitative in the sense that the parameters of the limit distribution are expressed in terms of some limiting point process. In this paper we will be able to determine the parameters of the limiting stable distribution in terms of some tail characteristics of the underlying stationary sequence. We will apply our results to some standard time series models, including the GARCH(1, 1) process and its squares, the stochastic volatility models and solutions to stochastic recurrence equations.
引用
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页码:337 / 372
页数:36
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