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Alternative Methods of Seasonal Adjustment

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  • David Stephen Pollock

    ()

  • Emi Mise

    ()

Abstract

Alternative methods for the seasonal adjustment of economic data are described that operate in the time domain and in the frequency domain. The time-domain method, which employs a classical comb filter, mimics the effects of the model-based procedures of the SEATS–TRAMO and STAMP programs. The frequency-domain method eliminates the sinusoidal elements of which, in the judgment of the user, the seasonal component is composed. It is proposed that, in some circumstances, seasonal adjustment is best achieved by eliminating all elements in excess of the frequency that marks the upper limit of the trend-cycle component of the data. It is argued that the choice of the method seasonal adjustment is liable to affect the determination of the turning points of the business cycle.

Suggested Citation

  • David Stephen Pollock & Emi Mise, 2011. "Alternative Methods of Seasonal Adjustment," Discussion Papers in Economics 11/12, Department of Economics, University of Leicester.
  • Handle: RePEc:lec:leecon:11/12
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    File URL: http://www.le.ac.uk/economics/research/repec/lec/leecon/dp11-12.pdf
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    As found by EconAcademics.org, the blog aggregator for Economics research:
    1. Seasonal adjustment is difficult
      by Economic Logician in Economic Logic on 2011-03-04 21:54:00

    More about this item

    Keywords

    Wiener–Kolmogorov Filtering; Frequency-Domain Methods; The Trend-Cycle Component;

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