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Representations Of Multi-Attribute Grain Quality

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  • DeVuyst, Eric A.
  • Johnson, D. Demcey
  • Nganje, William E.

Abstract

Grain quality is typically measured via several attributes. As these attributes vary across shipments and time, grain quality can be described using multivariate probability or frequency distributions. These distributions are important in modeling blending opportunities inherent in various grain shipments. For computational reasons, it is usually necessary to represent these distributions with a small set of discrete points and probabilities. In this analysis, we suggest a representation method based on Gaussian quadrature. This approach maintains the blending opportunities available by preserving moments of the distribution. The Gaussian quadrature method is compared to a more commonly used representation in a barley blending model.

Suggested Citation

  • DeVuyst, Eric A. & Johnson, D. Demcey & Nganje, William E., 2001. "Representations Of Multi-Attribute Grain Quality," Journal of Agricultural and Resource Economics, Western Agricultural Economics Association, vol. 26(1), pages 1-16, July.
    • Handle: RePEc:ags:jlaare:31149
    DOI: 10.22004/ag.econ.31149
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    References listed on IDEAS

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    1. Johnson, D. Demcey & Wilson, William W., 1993. "Wheat Cleaning Decisions At Country Elevators," Journal of Agricultural and Resource Economics, Western Agricultural Economics Association, vol. 18(2), pages 1-13, December.
    2. Johnson, D. Demcey & Nganje, William E., 2000. "Impacts Of Don In The Malting Barley Supply Chain: Aggregate Costs And Firm-Level Risks," Agricultural Economics Miscellaneous Reports 23103, North Dakota State University, Department of Agribusiness and Applied Economics.
    3. George W. Ladd & Marvin B. Martin, 1976. "Prices and Demands for Input Characteristics," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 58(1), pages 21-30.
    4. Paul V. Preckel & Eric DeVuyst, 1992. "Efficient Handling of Probability Information for Decision Analysis under Risk," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 74(3), pages 655-662.
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    1. Johnson, D. Demcey & DeVuyst, Eric A. & Nganje, William E., 2000. "Supply-Side Risks And Malting Barley Procurement And Storage," 2000 Annual Meeting, June 29-July 1, 2000, Vancouver, British Columbia 36367, Western Agricultural Economics Association.

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