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Testing for seasonal unit roots using monthly data

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  • Antonio Aguirre

Abstract

The objective of this paper is to attempt to make a contribution by discussing the application of different testing procedures and techniques used in determining the seasonal properties of quarterly data. The data used in this example are the quarterly prices of beef cattle in the Liniers market (Argentina). Two different kinds of tests are carried out to achieve these objective: the Hylleberg-Engle-Granger-Yoo (HEGY) tests and the Canova-Hansen tests. The results obtained indicate no significant deterministic seasonal pattern and no seasonal unit roots. This means that the series is stationary in all frequencies.

Suggested Citation

  • Antonio Aguirre, 2000. "Testing for seasonal unit roots using monthly data," Textos para Discussão Cedeplar-UFMG td139, Cedeplar, Universidade Federal de Minas Gerais.
    • Handle: RePEc:cdp:texdis:td139
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    File URL: https://www.cedeplar.ufmg.br/pesquisas/td/TD%20139.pdf
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    References listed on IDEAS

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    1. Franses, Philip Hans, 1991. "Seasonality, non-stationarity and the forecasting of monthly time series," International Journal of Forecasting, Elsevier, vol. 7(2), pages 199-208, August.
    2. Osborn, Denise R, et al, 1988. "Seasonality and the Order of Integration for Consumption," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 50(4), pages 361-377, November.
    3. Joseph Beaulieu, J. & Miron, Jeffrey A., 1993. "Seasonal unit roots in aggregate U.S. data," Journal of Econometrics, Elsevier, vol. 55(1-2), pages 305-328.
    4. Hylleberg, S. & Engle, R. F. & Granger, C. W. J. & Yoo, B. S., 1990. "Seasonal integration and cointegration," Journal of Econometrics, Elsevier, vol. 44(1-2), pages 215-238.
    5. Antonio Aguirre, 1997. "Testing for seasonal unit roots in a quarterly series of beef cattle prices in the state of São Paulo (Brazil)," Textos para Discussão Cedeplar-UFMG td115, Cedeplar, Universidade Federal de Minas Gerais.
    6. Granger, C. W. J. & Newbold, P., 1974. "Spurious regressions in econometrics," Journal of Econometrics, Elsevier, vol. 2(2), pages 111-120, July.
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    Cited by:

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