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Tests On Seasonal Unit Roots In Taiwan'S Vegetable Prices

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  • Lei, Li-Fen

Abstract

Taiwan's retail and farm prices were examined for unit roots at various seasonal frequencies. The results show that no unit roots exist at any seasonal frequency. Additionally, a unit root exists at the zero frequency in marketing margins, reflecting that retail and farm prices are not co-integrated at the long-run frequency.

Suggested Citation

  • Lei, Li-Fen, 1998. "Tests On Seasonal Unit Roots In Taiwan'S Vegetable Prices," 1998 Annual meeting, August 2-5, Salt Lake City, UT 20982, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
    • Handle: RePEc:ags:aaea98:20982
    DOI: 10.22004/ag.econ.20982
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    References listed on IDEAS

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    1. Engle, Robert & Granger, Clive, 2015. "Co-integration and error correction: Representation, estimation, and testing," Applied Econometrics, Russian Presidential Academy of National Economy and Public Administration (RANEPA), vol. 39(3), pages 106-135.
    2. 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.
    3. Barry K. Goodwin & Ted C. Schroeder, 1991. "Cointegration Tests and Spatial Price Linkages in Regional Cattle Markets," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 73(2), pages 452-464.
    4. 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.
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