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

被引:0
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作者
Xiao-rong Yang
Li-xin Zhang
机构
[1] Zhejiang Univ.,Dept. of Math.
关键词
unit root; AR (; )-GARCH (1,1); self-normalized; Dickey-Fuller test statistic; 62F05; 60F05;
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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.
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页码:197 / 201
页数:4
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