GLS Detrending for Nonlinear Unit Root Tests
AbstractThis paper investigates GLS detrending procedures for unit root tests against nonlinear stationary alternative hypotheses where deterministic components are assumed present in the series under investigation. It is found that the proposed procedures have considerable power gains in a majority of cases against both existing nonlinear unit root tests and standard unit root tests.
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Bibliographic InfoPaper provided by Queen Mary, University of London, School of Economics and Finance in its series Working Papers with number 472.
Date of creation: Nov 2002
Date of revision:
Detrending; Nonlinear unit root tests; Nonlinearity; STAR models; SETAR models;
Find related papers by JEL classification:
- C12 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Hypothesis Testing: General
- C22 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models &bull Diffusion Processes
- F31 - International Economics - - International Finance - - - Foreign Exchange
This paper has been announced in the following NEP Reports:
- NEP-ALL-2002-12-02 (All new papers)
- NEP-ECM-2002-12-10 (Econometrics)
- NEP-ETS-2002-12-02 (Econometric Time Series)
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- Cook, Steven, 2004. "A momentum-threshold autoregressive unit root test with increased power," Statistics & Probability Letters, Elsevier, vol. 67(4), pages 307-310, May.
- Haluk Erlat, 2004. "Unit roots or nonlinear stationarity in Turkish real exchange rates," Applied Economics Letters, Taylor & Francis Journals, vol. 11(10), pages 645-650.
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