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Analysis of Aggregation Errors in Linear Programming Planning Models

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  • Alvin C. Egbert
  • Hyung M. Kim

Abstract

An analysis was made of errors which can result from regional aggregation in spatial linear programming models. The agricultural sector of Portugal provided the empirical base for the analysis. Programming solutions were obtained first for eleven regions and then for three regions which were aggregates of the eleven regions. It is concluded that significant errors which resulted from this form of aggregation can be reduced or eliminated by intraregional stratification of production activities and resources and a priori specification of intraregional transport cost.

Suggested Citation

  • Alvin C. Egbert & Hyung M. Kim, 1975. "Analysis of Aggregation Errors in Linear Programming Planning Models," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 57(2), pages 292-301.
    • Handle: RePEc:oup:ajagec:v:57:y:1975:i:2:p:292-301.
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    File URL: http://hdl.handle.net/10.2307/1238504
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    Cited by:

    1. Kunkel, David E. & Gonzales, Leonardo A. & Hiwatig, Mario H., 1977. "Application Of Mathematical Programming Models Simulating Competitive Market Equilibrium For Agricultural Policy And Planning Analysis," 1977 Occasional Paper Series No. 1 190948, International Association of Agricultural Economists.
    2. Knolmayer, Gerhard, 1981. "A simulation study of simplification strategies in the development of optimization models," Manuskripte aus den Instituten für Betriebswirtschaftslehre der Universität Kiel 96, Christian-Albrechts-Universität zu Kiel, Institut für Betriebswirtschaftslehre.
    3. Schoney, R. A., 1990. "An Analysis of Wheat Supply Response Under Risk and Uncertainty," Working Papers 244030, Agriculture and Agri-Food Canada.
    4. Onal, Hayri & McCarl, Bruce A., 1991. "Aggregation In Mathematical Programming Sector Models And Model Stability," 1991 Annual Meeting, August 4-7, Manhattan, Kansas 271241, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
    5. Center for Agricultural and Rural Development, Iowa State University, 1988. "An Overview of the Structure for the National Agricultural Resource Interregional Modelling System," 1988 Annual Meeting, August 1-3, Knoxville, Tennessee 270336, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
    6. Langley, James A., 1983. "Regional acreage response functions for major US field crops: estimation and policy implications," ISU General Staff Papers 198301010800008678, Iowa State University, Department of Economics.

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