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On bootstrap implementation of likelihood ratio test for a unit root. / Skrobotov, Anton.
в: Economics Letters, Том 171, 10.2018, стр. 154-158.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - On bootstrap implementation of likelihood ratio test for a unit root
AU - Skrobotov, Anton
N1 - Publisher Copyright: © 2018 Elsevier B.V.
PY - 2018/10
Y1 - 2018/10
N2 - In this paper we investigate a bootstrap implementation of the likelihood ratio test for a unit root recently proposed by Jansson and Nielsen (2012). We demonstrate that the likelihood ratio test shows poor finite sample properties under strongly autocorrelated errors, i.e. if the autoregressive or moving average roots are close to −1. The size distortions in these case are more pronounced in comparison to the bootstrap M and ADF tests. We found that the bootstrap version of likelihood ratio test (with autoregressive recolouring) demonstrates better performance than bootstrap M tests. Moreover, the bootstrap likelihood ratio test show better finite sample properties in comparison to the bootstrap ADF in some cases.
AB - In this paper we investigate a bootstrap implementation of the likelihood ratio test for a unit root recently proposed by Jansson and Nielsen (2012). We demonstrate that the likelihood ratio test shows poor finite sample properties under strongly autocorrelated errors, i.e. if the autoregressive or moving average roots are close to −1. The size distortions in these case are more pronounced in comparison to the bootstrap M and ADF tests. We found that the bootstrap version of likelihood ratio test (with autoregressive recolouring) demonstrates better performance than bootstrap M tests. Moreover, the bootstrap likelihood ratio test show better finite sample properties in comparison to the bootstrap ADF in some cases.
KW - Bootstrap
KW - Likelihood ratio test
KW - Unit root test
UR - http://www.scopus.com/inward/record.url?scp=85050791168&partnerID=8YFLogxK
U2 - 10.1016/j.econlet.2018.07.030
DO - 10.1016/j.econlet.2018.07.030
M3 - Article
AN - SCOPUS:85050791168
VL - 171
SP - 154
EP - 158
JO - Economics Letters
JF - Economics Letters
SN - 0165-1765
ER -
ID: 92712087