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CAMPLET: Seasonal Adjustment Without Revisions

Author

Listed:
  • Barend Abeln
  • Jan P. A. M. Jacobs

    (University of Groningen)

  • Pim Ouwehand

    (Statistics Netherlands (CBS))

Abstract

Seasonality in economic time series can ‘obscure’ movements of other components in a series that are operationally more important for economic and econometric analyses. In practice, one often prefers to work with seasonally adjusted data to assess the current state of the economy and its future course. This paper presents a seasonal adjustment program called CAMPLET, an acronym of its tuning parameters, which consists of a simple adaptive procedure to extract the seasonal and the non-seasonal component from an observed series. Once this process is carried out there will be no need to revise these components at a later stage when new observations become available. The paper describes the main features of CAMPLET. We evaluate the outcomes of CAMPLET and X-13ARIMA-SEATS in a controlled simulation framework using a variety of data generating processes and illustrate CAMPLET and X-13ARIMA-SEATS with three time series: U.S. non-farm payroll employment, operational income of Ahold and real GDP in the Netherlands.

Suggested Citation

  • Barend Abeln & Jan P. A. M. Jacobs & Pim Ouwehand, 2019. "CAMPLET: Seasonal Adjustment Without Revisions," Journal of Business Cycle Research, Springer;Centre for International Research on Economic Tendency Surveys (CIRET), vol. 15(1), pages 73-95, April.
    • Handle: RePEc:spr:jbuscr:v:15:y:2019:i:1:d:10.1007_s41549-018-0031-3
    DOI: 10.1007/s41549-018-0031-3
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    References listed on IDEAS

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    5. Bell, William R & Hillmer, Steven C, 1984. "Issues Involved with the Seasonal Adjustment of Economic Time Series," Journal of Business & Economic Statistics, American Statistical Association, vol. 2(4), pages 291-320, October.
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    8. Ghysels,Eric & Osborn,Denise R., 2001. "The Econometric Analysis of Seasonal Time Series," Cambridge Books, Cambridge University Press, number 9780521565882, April.
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    Cited by:

    1. Barend Abeln & Jan P.A.M. Jacobs, 2021. "COVID19 and Seasonal Adjustment," CIRANO Working Papers 2021s-05, CIRANO.
    2. Barend Abeln & Jan P.A.M. Jacobs & Machiel Mulder, 2022. "Seasonal adjustment of daily data with CAMPLET," CIRANO Working Papers 2022s-06, CIRANO.

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    More about this item

    Keywords

    Seasonal adjustment; Simulations; Employment; Operational income; Real GDP;
    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
    • E24 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Employment; Unemployment; Wages; Intergenerational Income Distribution; Aggregate Human Capital; Aggregate Labor Productivity
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • E37 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Forecasting and Simulation: Models and Applications

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