Periodic stationarity of random coefficient periodic autoregressions

被引:10
|
作者
Aknouche, Abdelhakim [1 ]
Guerbyenne, Hafida [1 ]
机构
[1] USTHB, Fac Math, Algiers 16111, Algeria
关键词
TIME-SERIES MODELS;
D O I
10.1016/j.spl.2008.12.012
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
This paper studies periodic stationarity of a random coefficient periodic autoregression (RCPAR) which generalizes the standard random coefficient autoregressive (RCAR) model to the case where the deterministic parameters and the disturbance variances are periodically time-varying. Sufficient conditions for the existence of a (strictly and second-order) periodically stationary solution to the RCPAR equation are proposed. As an application, we study periodic stationarity, of a class of periodic bilinear models and a periodic autoregression with periodic ARCH errors. (c) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码:990 / 996
页数:7
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