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Asymmetric price adjustment of Ukrainian feed wheat export prices in relation to U.S. maize exports: A Note

Author

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  • Atanu Ghoshray

    (University of Bath)

Abstract

This note aims to investigate the price dynamics between Ukrainian feed wheat exports and U.S. maize exports employing the method by Enders and Siklos (2001) to allow for threshold adjustment. The analysis reveals slow amounts of adjustment towards equilibrium for a positive change in the equilibrium relationship, but a substantial amount of adjustment for a negative change in the equilibrium relationship. This would imply that Ukrainian prices would have to decrease at a faster rate in order to retain their market share. The fact that there is some evidence of asymmetric price adjustment is not surprising given that Ukraine is a minor exporter in relation to the U.S. and that policy intervention exists in the Ukrainian wheat market. The nature of price dynamics sheds light on how Ukraine has been strategically responding to U.S. maize exports since the mid 1990s.

Suggested Citation

  • Atanu Ghoshray, 2008. "Asymmetric price adjustment of Ukrainian feed wheat export prices in relation to U.S. maize exports: A Note," Economics Bulletin, AccessEcon, vol. 17(2), pages 1-8.
    • Handle: RePEc:ebl:ecbull:eb-07q10003
    as

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    References listed on IDEAS

    as
    1. Enders, Walter & Granger, Clive W J, 1998. "Unit-Root Tests and Asymmetric Adjustment with an Example Using the Term Structure of Interest Rates," Journal of Business & Economic Statistics, American Statistical Association, vol. 16(3), pages 304-311, July.
    2. Enders, Walter & Siklos, Pierre L, 2001. "Cointegration and Threshold Adjustment," Journal of Business & Economic Statistics, American Statistical Association, vol. 19(2), pages 166-176, April.
    3. Brümmer, Bernhard & von Cramon-Taubadel, Stephan & Zorya, Sergiy, 2006. "Vertical Price Transmission between Wheat and Flour in Ukraine: A Markov-Switching Vector Error Correction Approach," 2006 Annual Meeting, August 12-18, 2006, Queensland, Australia 25575, International Association of Agricultural Economists.
    4. Walter Enders, 2001. "Improved critical values for the Enders-Granger unit-root test," Applied Economics Letters, Taylor & Francis Journals, vol. 8(4), pages 257-261.
    5. Atanu Ghoshray, 2007. "An Examination of the Relationship Between U.S. and Canadian Durum Wheat Prices," Canadian Journal of Agricultural Economics/Revue canadienne d'agroeconomie, Canadian Agricultural Economics Society/Societe canadienne d'agroeconomie, vol. 55(1), pages 49-62, March.
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    Cited by:

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    More about this item

    Keywords

    Wheat.;

    JEL classification:

    • Q1 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture
    • C5 - Mathematical and Quantitative Methods - - Econometric Modeling

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