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Does Consistent Aggregation Really Matter?

  • Shumway, C. Richard
  • Davis, George C.

Consistent aggregation assures that behavioral properties, which apply to disaggregate relationships also, apply to aggregate relationships. The agricultural economics literature is reviewed which has tested for consistent aggregation or measured statistical bias and/or inferential errors due to aggregation. Tests for aggregation bias and errors of inference are conducted using indices previously tested for consistent aggregation. Failure to reject consistent aggregation in a partition did not entirely mitigate erroneous inference due to aggregation. However, inferential errors due to aggregation were small relative to errors due to incorrect functional form or failure to account for time series properties of data.

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File URL: http://purl.umn.edu/12966
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Paper provided by Washington State University, School of Economic Sciences in its series Ag Econ Series with number 12966.

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Date of creation: 2000
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Handle: RePEc:ags:wsuaes:12966
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  1. Shumway, C. Richard & Lim, Hongil, 1993. "Functional Form And U.S. Agricultural Production Elasticities," Journal of Agricultural and Resource Economics, Western Agricultural Economics Association, vol. 18(02), December.
  2. Asche, F. & Bremnes, H. & Wessells, C.R., 1998. "Product Aggregation, Market Integration and Relationships Between Prices: an Application to World Salmon Markets," Papers 27/98, Norwegian School of Economics and Business Administration-.
  3. K. Jegasothy & C. R. Shumway & H. Lim, 1990. "Production Technology And Input Allocations In Sri Lankan Multicrop Farming," Journal of Agricultural Economics, Wiley Blackwell, vol. 41(1), pages 33-46.
  4. George C. Davis, 1997. "Product Aggregation Bias as a Specification Error in Demand Systems," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 79(1), pages 100-109.
  5. Berndt, Ernst R & Darrough, Masako N & Diewert, W E, 1977. "Flexible Functional Forms and Expenditure Distributions: An Application to Canadian Consumer Demand Functions," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 18(3), pages 651-75, October.
  6. Sellen, Daniel & Goddard, Ellen, 1997. "Weak Separability in Coffee Demand Systems," European Review of Agricultural Economics, Foundation for the European Review of Agricultural Economics, vol. 24(1), pages 133-44.
  7. Steven Buccola & Jayashree Sil, 1996. "Productivity Measurement in the Agricultural Marketing Sector," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 78(5), pages 1366-1371.
  8. Villezca-Becerra, Pedro A. & Shumway, C. Richard, 1992. "Multiple-Output Production Modeled With Three Functional Forms," Journal of Agricultural and Resource Economics, Western Agricultural Economics Association, vol. 17(01), July.
  9. Sckokai, Paolo & Moro, Daniele, 1996. "Direct Separability in Multi-output Technologies: An Application to the Italian Agricultural Sector," European Review of Agricultural Economics, Foundation for the European Review of Agricultural Economics, vol. 23(1), pages 95-116.
  10. Turner, Robert W. & Rockel, Mark L., 1988. "Estimating covariances of parameter estimates from different models," Economics Letters, Elsevier, vol. 26(2), pages 137-140.
  11. Denny, Michael & Fuss, Melvyn A, 1977. "The Use of Approximation Analysis to Test for Separability and the Existence of Consistent Aggregates," American Economic Review, American Economic Association, vol. 67(3), pages 404-18, June.
  12. Polson, Rudolph A. & Shumway, C. Richard, 1990. "Structure Of South Central Agricultural Production," Southern Journal of Agricultural Economics, Southern Agricultural Economics Association, vol. 22(02), December.
  13. Hongil Lim & C. Richard Shumway, 1997. "Technical Change and Model Specification: U.S. Agricultural Production," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 79(2), pages 543-554.
  14. Richard E. Just & Rulon D. Pope, 1999. "Implications of Heterogeneity for Theory and Practice in Production Economics," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 81(3), pages 711-718.
  15. Lin, Ni & Davis, George C. & Shumway, C. Richard, 1998. "Aggregation Without Separability: Tests Of U.S. And Mexican Agricultural Production Data," 1998 Annual meeting, August 2-5, Salt Lake City, UT 20927, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
  16. Shon P. Williams & C. Richard Shumway, 1998. "Testing for Behavioral Objective and Aggregation Opportunities in U.S. Agricultural Data," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 80(1), pages 195-207.
  17. Chambers, Robert G. & Pope, Rulon D., 1996. "Aggregable price-taking firms," European Economic Review, Elsevier, vol. 40(2), pages 417-428, February.
  18. M. H. Pesaran & R. G. Pierse & M. S. Kumar, 1988. "Econometric Analysis of Aggregation in the Context of Linear Prediction Models," UCLA Economics Working Papers 485, UCLA Department of Economics.
  19. Simmons, Peter, 1980. "Evidence on the Impact of Income Distribution on Consumer Demand in the UK, 1955-68," Review of Economic Studies, Wiley Blackwell, vol. 47(5), pages 893-906, October.
  20. Hellerstein, Daniel, 1995. "Welfare Estimation Using Aggregate and Individual-Observations Models: A Comparison Using Monte Carlo Techniques," MPRA Paper 25267, University Library of Munich, Germany.
  21. George C. Davis, 1999. "The science and art of promotion evaluation," Agribusiness, John Wiley & Sons, Ltd., vol. 15(4), pages 465-483.
  22. Barnett, William A, 1979. "Theoretical Foundations for the Rotterdam Model," Review of Economic Studies, Wiley Blackwell, vol. 46(1), pages 109-30, January.
  23. Lewbel, Arthur, 1996. "Aggregation without Separability: A Generalized Composite Commodity Theorem," American Economic Review, American Economic Association, vol. 86(3), pages 524-43, June.
  24. Susan M. Capalbo & Michael Denny, 1985. "Testing Long-Run Productivity Models for the Canadian and U.S. Agricultural Sectors," NBER Working Papers 1764, National Bureau of Economic Research, Inc.
  25. Arnade, Carlos Anthony & Davison, Cecil W., 1989. "Testing For Aggregation And Simultaneous Bias In U.S. Soybean Export Equations," Southern Journal of Agricultural Economics, Southern Agricultural Economics Association, vol. 21(02), December.
  26. Blundell, Richard & Pashardes, Panos & Weber, Guglielmo, 1993. "What Do We Learn About Consumer Demand Patterns from Micro Data?," American Economic Review, American Economic Association, vol. 83(3), pages 570-97, June.
  27. Domowitz, Ian & White, Halbert, 1982. "Misspecified models with dependent observations," Journal of Econometrics, Elsevier, vol. 20(1), pages 35-58, October.
  28. Lee, Kevin C & Pesaran, M Hashem & Pierse, Richard G, 1990. "Testing for Aggregation Bias in Linear Models," Economic Journal, Royal Economic Society, vol. 100(400), pages 137-50, Supplemen.
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