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Constructing Optimal tests on a Lagged dependent variable

Marsh, P. (2007) Constructing Optimal tests on a Lagged dependent variable. Journal of Time Series Analysis, 28 (5). pp. 723-743. ISSN 0143-9782

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Via the leading unit-root case, the problem of testing on a lagged dependent variable is characterized by a nuisance parameter which is present only under the alternative [see Andrews and Ploberger, Econometrica (1994) Vol. 62, pp. 1318–1414]. This has proven to be a barrier to the construction of optimal tests. Moreover, in their absence it is impossible to objectively assess the absolute power properties of existing tests. Indeed, feasible tests based upon the optimality criteria used here are found to have numerically superior power properties to both the original Dickey and Fuller [Econometrica (1981) Vol. 49, pp. 1057–1072] statistics and the efficient detrended versions suggested by Elliott et al. [Econometrica (1996) Vol. 64, pp. 813–836] and analysed in Burridge and Taylor [Oxford Bulletin of Economics and Statistics (2000) Vol. 62, pp. 633–645].

Item Type: Article
Institution: The University of York
Academic Units: The University of York > Economics and Related Studies (York)
Depositing User: York RAE Import
Date Deposited: 27 Mar 2009 16:00
Last Modified: 27 Mar 2009 16:00
Published Version: http://dx.doi.org/10.1111/j.1467-9892.2007.00536.x
Status: Published
Publisher: Blackwell Publishing Ltd
Identification Number: 10.1111/j.1467-9892.2007.00536.x
URI: http://eprints.whiterose.ac.uk/id/eprint/6958

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