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Testing for Seasonal Unit Roots with Temporally Aggregated Time Series

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  • Rotger, Gabriel Pons

    () (Department of Economics Aarhus, Denmark)

Abstract

The temporal aggregation effect on seasonal unit roots and its implications for seasonal unit root testing are discussed. The aggregation effect allows to test with any HEGY-type method for integration at the harmonic frequencies through the Nyquist frequency of properly temporally aggregated series.

Suggested Citation

  • Rotger, Gabriel Pons, "undated". "Testing for Seasonal Unit Roots with Temporally Aggregated Time Series," Economics Working Papers 2003-16, Department of Economics and Business Economics, Aarhus University.
  • Handle: RePEc:aah:aarhec:2003-16
    as

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    File URL: ftp://ftp.econ.au.dk/afn/wp/03/wp03_16.pdf
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    References listed on IDEAS

    as
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    More about this item

    Keywords

    Temporal aggregation; seasonal unit roots; Hegy test;
    All these keywords.

    JEL classification:

    • C22 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes
    • C43 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods: Special Topics - - - Index Numbers and Aggregation
    • C52 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Model Evaluation, Validation, and Selection

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