Joint hypothesis specification for unit root tests with a structural break

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dc.contributor.author Carrion, J.Ll.
dc.contributor.author Sansó, A.
dc.date.accessioned 2020-04-22T06:47:37Z
dc.identifier.uri http://hdl.handle.net/11201/152084
dc.description.abstract [eng] Several tests based on a t‐ratio have been proposed in the literature to decide the order of integration of a time series allowing for a structural break. However, another approach based on testing a joint hypothesis of unit root and the irrelevance of some nuisance parameters is also feasible. This paper proposes new unit root tests consistent with the presence of a structural break applying this second perspective. Our approach deals both with the case where the break is not allowed under the null hypothesis, and where it is allowed. Simulations investigate the performance of this proposal compared to the existing tests and show important gains in terms of power.
dc.format application/pdf
dc.relation.isformatof https://doi.org/10.1111/j.1368-423X.2006.00182.x
dc.relation.ispartof Econometrics Journal, 2006, vol. 9, num. 2, p. 196-224
dc.rights , 2006
dc.subject.classification 33 - Economia
dc.subject.other 33 - Economics. Economic science
dc.title Joint hypothesis specification for unit root tests with a structural break
dc.type info:eu-repo/semantics/article
dc.date.updated 2020-04-22T06:47:37Z
dc.date.embargoEndDate info:eu-repo/date/embargoEnd/2026-12-31
dc.embargo 2026-12-31
dc.rights.accessRights info:eu-repo/semantics/embargoedAccess
dc.identifier.doi https://doi.org/10.1111/j.1368-423X.2006.00182.x


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