A note on self-normalized Dickey-Fuller test for unit root in autoregressive time series with GARCH errors

被引:2
作者
Yang Xiao-rong [1 ]
Zhang Li-xin [1 ]
机构
[1] Zhejiang Univ, Dept Math, Hangzhou 310027, Peoples R China
基金
中国国家自然科学基金;
关键词
unit root; AR (p)-GARCH (1,1); self-normalized; Dickey-Fuller test statistic;
D O I
10.1007/s11766-008-0209-x
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this article, the unit root test for AR(p) model with GARCH errors is considered. The Dickey-Fuller test statistics are rewritten in the form of self-normalized sums, and the asymptotic distribution of the test statistics is derived under the weak conditions.
引用
收藏
页码:197 / 201
页数:5
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