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On improvements of Phillips-Perron unit root tests using optimal bandwidth estimates


  • Junsoo Lee
  • Dante Mossi


The performance of the Phillips and Perron unit root tests is examined using the optimal bandwidth selection procedure of Andrews and the pre-whitening procedure of Andrews and Monahan. It has been shown that they do not make significant improvements over the tests using fixed truncation lags.

Suggested Citation

  • Junsoo Lee & Dante Mossi, 1996. "On improvements of Phillips-Perron unit root tests using optimal bandwidth estimates," Applied Economics Letters, Taylor & Francis Journals, vol. 3(3), pages 197-200.
  • Handle: RePEc:taf:apeclt:v:3:y:1996:i:3:p:197-200
    DOI: 10.1080/135048596356681

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    Cited by:

    1. Lee, Junsoo & Amsler, Christine, 1997. "A joint test for a unit root and common factor restrictions in the presence of a structural break," Structural Change and Economic Dynamics, Elsevier, vol. 8(2), pages 221-232, June.

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