Unit root testing

被引：1
|
作者：
Wolters J. [1 ]
Hassler U. [2 ]
机构：
[1] Fachbereich Wirtschaftswissenschaft, Freie Universität Berlin, 14195 Berlin
[2] Fachbereich Wirtschaftswissenschaften, Goethe-Universität Frankfurt, 60054 Frankfurt am Main
来源：
Allgemeines Statistisches Archiv | 2006年 / 90卷 / 1期
关键词：
Deterministic components; Dickey-Fuller; Size and power; Structural breaks;
D O I：
10.1007/s10182-006-0220-6
中图分类号：
学科分类号：
摘要：
The occurrence of unit roots in economic time series has far reaching consequences for univariate as well as multivariate econometric modelling. Therefore, unit root tests are nowadays the starting point of most empirical time series studies. The oldest and most widely used test is due to Dickey and Fuller (1979). Reviewing this test and variants thereof we focus on the importance of modelling the deterministic component. In particular, we survey the growing literature on tests accounting for structural shifts. Finally, further applied aspects are addressed, for instance, how to get the size correct and obtain good power at the same time. © Springer-Verlag 2006.
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收藏
页码：43 / 58
页数：15
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