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A momentum-threshold autoregressive unit root test with increased power

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  • Cook, Steven

Abstract

Recent research has shown the momentum-threshold autoregressive (MTAR) unit root test of Enders and Granger (J. Business Econom. Statist. 16 (1998) 304) to exhibit less power than modified Dickey-Fuller tests when applied to MTAR processes. In this paper a revised MTAR test is proposed which employs local-to-unity detrending. The newly proposed test is shown to possess greater power than both the original MTAR test and modified Dickey-Fuller tests over a range of MTAR processes.

Suggested Citation

  • Cook, Steven, 2004. "A momentum-threshold autoregressive unit root test with increased power," Statistics & Probability Letters, Elsevier, vol. 67(4), pages 307-310, May.
    • Handle: RePEc:eee:stapro:v:67:y:2004:i:4:p:307-310
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    References listed on IDEAS

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    1. Dong Wan Shin & Beong Soo So, 2001. "recursive Mean Adjustment for Unit Root Tests," Journal of Time Series Analysis, Wiley Blackwell, vol. 22(5), pages 595-612, September.
    2. Leybourne, S J, 1995. "Testing for Unit Roots Using Forward and Reverse Dickey-Fuller Regressions," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 57(4), pages 559-571, November.
    3. Elliott, Graham & Rothenberg, Thomas J & Stock, James H, 1996. "Efficient Tests for an Autoregressive Unit Root," Econometrica, Econometric Society, vol. 64(4), pages 813-836, July.
    4. George Kapetanios & Yongcheol Shin, 2002. "GLS Detrending for Nonlinear Unit Root Tests," Working Papers 472, Queen Mary University of London, School of Economics and Finance.
    5. Enders, Walter & Granger, Clive W J, 1998. "Unit-Root Tests and Asymmetric Adjustment with an Example Using the Term Structure of Interest Rates," Journal of Business & Economic Statistics, American Statistical Association, vol. 16(3), pages 304-311, July.
    6. Cook, Steven, 2003. "Modified unit root tests and momentum threshold autoregressive processes," Statistics & Probability Letters, Elsevier, vol. 64(1), pages 83-88, August.
    7. Heon Jin Park & Wayne A. Fuller, 1995. "Alternative Estimators And Unit Root Tests For The Autoregressive Process," Journal of Time Series Analysis, Wiley Blackwell, vol. 16(4), pages 415-429, July.
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    Cited by:

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    2. Atanu Ghoshray and Tatiana Trifonova, 2014. "Dynamic Adjustment of Crude Oil Price Spreads," The Energy Journal, International Association for Energy Economics, vol. 0(Number 1).

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