Del Barrio Castro, Tomás and Rodrigues, Paulo MM and Taylor, AM Robert (2015) 'On the Behaviour of Phillips-Perron Tests in the Presence of Persistent Cycles.' Oxford Bulletin of Economics and Statistics, 77 (4). pp. 495-511. ISSN 0305-9049
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Abstract
In this paper, we analyse the impact of persistent cycles on the well-known semi-parametric unit root tests of Phillips and Perron (1988, Biometrika, Vol. 75, pp. 335-346). It is shown, both analytically and through Monte Carlo simulations, that the presence of complex (near) unit roots can severely bias the size properties of these tests. Given the popularity of these tests with applied researchers and their routine presence in most econometric software packages, the results presented in this paper suggest that practitioners should treat the outcomes of these tests with some caution when applied to data which display a strong cyclical component.
Item Type: | Article |
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Subjects: | H Social Sciences > HA Statistics H Social Sciences > HB Economic Theory |
Divisions: | Faculty of Social Sciences Faculty of Social Sciences > Essex Business School Faculty of Social Sciences > Essex Business School > Essex Finance Centre |
SWORD Depositor: | Elements |
Depositing User: | Elements |
Date Deposited: | 11 May 2015 11:06 |
Last Modified: | 15 Jan 2022 00:47 |
URI: | http://repository.essex.ac.uk/id/eprint/13695 |
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