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World Wheat Trade Model: Specification, Estimation, and Validation, The

Author

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  • S. Devadoss
  • Michael D. Helmar
  • William H. Meyers

Abstract

The wheat trade model is one of the three models in the trade modeling system developed, updated, and maintained by the Center for Agricultural and Rural Development (CARD). The other two commodity trade models are for feed grains and the soybeans complex. The three trade models are linked through cross-price linkages in the supply and demand components of these models, yet each model can be solved on a stand-alone basis. In general, however, all three trade models are solved iteratively to obtain a simultaneous solution. Equilibrium prices, quantities of supply and demand and net trade are determined by equating excess demands and supplies across regions and explicitly linking prices in each region to a world reference price.

Suggested Citation

  • S. Devadoss & Michael D. Helmar & William H. Meyers, 1990. "World Wheat Trade Model: Specification, Estimation, and Validation, The," Food and Agricultural Policy Research Institute (FAPRI) Publications (archive only) 90-tr14, Center for Agricultural and Rural Development (CARD) at Iowa State University.
  • Handle: RePEc:ias:fpaper:90-tr14
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    Cited by:

    1. Araji, A. A. & White, F. C., 1993. "The Impact Of Agricultural Research On Exports," A.E. Research Series 305099, University of Idaho, Department of Agricultural Economics and Rural Sociology.
    2. Antonio Gomez-Plana & Stephen Devadoss, 2004. "A spatial equilibrium analysis of trade policy reforms on the world wheat market," Applied Economics, Taylor & Francis Journals, vol. 36(15), pages 1643-1648.
    3. Araji, A. A. & White, F. C., 1993. "The Impact Of Agricultural Research On Exports," AE Miscellaneous Working Papers 305176, University of Idaho, Department of Agricultural Economics and Rural Sociology.
    4. Benirschka, Martin & Koo, Won W., 1995. "World Wheat Policy Simulation Model: Description and Computer Program Documentation," Agricultural Economics Reports 23333, North Dakota State University, Department of Agribusiness and Applied Economics.

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