Nonstationarities in financial time series, the long-range dependence, and the IGARCH effects

被引:289
作者
Mikosch, T [1 ]
Starica, C
机构
[1] Univ Copenhagen, DK-1168 Copenhagen, Denmark
[2] Chalmers Univ Technol, S-41296 Gothenburg, Sweden
关键词
D O I
10.1162/003465304323023886
中图分类号
F [经济];
学科分类号
02 ;
摘要
We give the theoretical basis of a possible explanation for two stylized facts observed in long log-return series: the long-range dependence (LRD) in volatility and the integrated GARCH (IGARCH). Both these effects can be explained theoretically if one assumes that the data are nonstationary.
引用
收藏
页码:378 / 390
页数:13
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