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Contribution Details
| Type | Journal Article |
| Scope | Discipline-based scholarship |
| Title | Improved nonparametric confidence intervals in time series regressions |
| Organization Unit | |
| Authors |
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| Item Subtype | Original Work |
| Refereed | Yes |
| Status | Published in final form |
| Language |
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| Journal Title | Journal of Nonparametric Statistics |
| Publisher | Taylor & Francis |
| Geographical Reach | international |
| ISSN | 1026-7654 |
| Volume | 18 |
| Number | 2 |
| Page Range | 199 - 214 |
| Date | 2006 |
| Abstract Text | Confidence intervals in econometric time series regressions suffer from notorious coverage problems. This is especially true when the dependence in the data is noticeable and sample sizes are small to moderate, as is often the case in empirical studies. This article suggests using the studentized block bootstrap and discusses practical issues such as the choice of the block size. A particular data-dependent method is proposed to automate the method. As a side note, it is pointed out that symmetric confidence intervals are preferred over equal-tailed ones, as they exhibit improved coverage accuracy. The improvements in small sample performance are supported by a simulation study. |
| Digital Object Identifier | 10.1080/10485250600687812 |
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| Keywords | Bootstrap, Confidence intervals, Studentization, Time series regressions, Prewithening |