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Market Delineation and Price Leadership in the World Wheat Market: A Cointegration Analysis

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  • Ghoshray, Atanu

Abstract

Wheat types may be classified according to strength, a baking characteristic. Since the demand for wheat is derived demand, the baking characteristic is directly related to end use. Accordingly, the wheat classes that are used in this study are divided into sub-groups according to strength, that is, strong, medium, and weak wheats. Time-series methods are employed to determine how the different classes of wheats are related within each sub-group. The different wheats under the different sub-groups are found to be substitutes to various degrees, but form a robust cointegrating relationship, implying that the wheat prices in these markets are bound together by a long-term equilibrium relationship. Within each of the sub-groups, the U.S. wheats were found to act as a price leader, driving the prices of other wheats belonging in the same sub-group. These U. S. wheats were found to form no long-run relationship between each other given their distinct end uses. The study highlights the importance of differentiating wheat by end use to specify price linkages more accurately.

Suggested Citation

  • Ghoshray, Atanu, 2006. "Market Delineation and Price Leadership in the World Wheat Market: A Cointegration Analysis," Agricultural and Resource Economics Review, Cambridge University Press, vol. 35(2), pages 311-326, October.
    • Handle: RePEc:cup:agrerw:v:35:y:2006:i:02:p:311-326_00
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    Cited by:

    1. Maximilian Heigermoser & Linde Götz & Miranda Svanidze, 2021. "Price formation within Egypt's wheat tender market: Implications for Black Sea exporters," Agricultural Economics, International Association of Agricultural Economists, vol. 52(5), pages 819-831, September.
    2. Vollmer, Teresa & Von Cramon-Taubadel, Stephan, "undated". "Price discovery in the European wheat market," 2017 International Congress, August 28-September 1, 2017, Parma, Italy 261135, European Association of Agricultural Economists.
    3. Nelissa Jamora & Stephan von Cramon-Taubadel, 2017. "What World Price?," Applied Economic Perspectives and Policy, Agricultural and Applied Economics Association, vol. 39(3), pages 479-498.
    4. Harold Glenn A. Valera & Mark J. Holmes & Valerien O. Pede & Jean Balié, 2023. "How convergent are rice export prices in the international market?," Agricultural Economics, International Association of Agricultural Economists, vol. 54(1), pages 127-141, January.
    5. Carlos Arnade & Gary Vocke, 2016. "Seasonal Variation in the Price Discovery Process of International Wheat," Agribusiness, John Wiley & Sons, Ltd., vol. 32(1), pages 16-32, January.
    6. Kai-yin Woo & Shu-kam Lee & Paul Shum, 2017. "Analysis of threshold cointegration with asymmetric adjustments in the Hong Kong grocery industry," Applied Economics, Taylor & Francis Journals, vol. 49(55), pages 5591-5600, November.

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