Limit Theory for an Explosive Autoregressive Process

Large sample properties are studied for a first-order autoregression (AR(1)) with a root greater than unity. It is shown that, contrary to the AR coefficient, the least-squares (LS) estimator of the intercept and its t-statistic are asymptotically normal without requiring the Gaussian error distribu...

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Main Authors: WANG, Xiaohu, YU, Jun
Format: text
Language:English
Published: Institutional Knowledge at Singapore Management University 2013
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Online Access:https://ink.library.smu.edu.sg/soe_research/1513
https://ink.library.smu.edu.sg/context/soe_research/article/2512/viewcontent/08_2013.pdf
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spelling sg-smu-ink.soe_research-25122019-04-19T09:05:53Z Limit Theory for an Explosive Autoregressive Process WANG, Xiaohu YU, Jun Large sample properties are studied for a first-order autoregression (AR(1)) with a root greater than unity. It is shown that, contrary to the AR coefficient, the least-squares (LS) estimator of the intercept and its t-statistic are asymptotically normal without requiring the Gaussian error distribution, and hence an invariance principle applies. The coefficient based test and the t test have better power for testing the hypothesis of zero intercept in the explosive process than in the stationary process. 2013-11-01T07:00:00Z text application/pdf https://ink.library.smu.edu.sg/soe_research/1513 https://ink.library.smu.edu.sg/context/soe_research/article/2512/viewcontent/08_2013.pdf http://creativecommons.org/licenses/by-nc-nd/4.0/ Research Collection School Of Economics eng Institutional Knowledge at Singapore Management University Explosive model Intercept Invariance principle Bubbles Econometrics
institution Singapore Management University
building SMU Libraries
continent Asia
country Singapore
Singapore
content_provider SMU Libraries
collection InK@SMU
language English
topic Explosive model
Intercept
Invariance principle
Bubbles
Econometrics
spellingShingle Explosive model
Intercept
Invariance principle
Bubbles
Econometrics
WANG, Xiaohu
YU, Jun
Limit Theory for an Explosive Autoregressive Process
description Large sample properties are studied for a first-order autoregression (AR(1)) with a root greater than unity. It is shown that, contrary to the AR coefficient, the least-squares (LS) estimator of the intercept and its t-statistic are asymptotically normal without requiring the Gaussian error distribution, and hence an invariance principle applies. The coefficient based test and the t test have better power for testing the hypothesis of zero intercept in the explosive process than in the stationary process.
format text
author WANG, Xiaohu
YU, Jun
author_facet WANG, Xiaohu
YU, Jun
author_sort WANG, Xiaohu
title Limit Theory for an Explosive Autoregressive Process
title_short Limit Theory for an Explosive Autoregressive Process
title_full Limit Theory for an Explosive Autoregressive Process
title_fullStr Limit Theory for an Explosive Autoregressive Process
title_full_unstemmed Limit Theory for an Explosive Autoregressive Process
title_sort limit theory for an explosive autoregressive process
publisher Institutional Knowledge at Singapore Management University
publishDate 2013
url https://ink.library.smu.edu.sg/soe_research/1513
https://ink.library.smu.edu.sg/context/soe_research/article/2512/viewcontent/08_2013.pdf
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