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Commercial Disappearance and Composite Demand for Food with an Application to U.S. Meats

  • Reed, Albert J.
  • Levedahl, J. William
  • Clark, J. Stephen
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    When elementary prices move strictly proportionately, aggregation over a group of diverse products is valid, and group demand responses can be decomposed into quality and quantity responses. This study shows that when relative elementary prices and group prices are stochastically independent, a similar decomposition is valid. Empirical results suggest consumers respond to changes in prices and income mostly by altering the quality of meat products. These findings imply that using commercial disappearance as a proxy for food demand can be misleading for policy analysis. Key words: commodity aggregation, Composite Commodity Theorem, composite demand, Generalized Composite Commodity Theorem, quantity-quality decomposition

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    Article provided by Western Agricultural Economics Association in its journal Journal of Agricultural and Resource Economics.

    Volume (Year): 28 (2003)
    Issue (Month): 01 (April)

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    Handle: RePEc:ags:jlaare:30719
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    1. Reed, Albert J. & Elitzak, Howard & Wohlgenant, Michael K., 2002. "Retail-Farm Price Margins And Consumer Product Diversity," Technical Bulletins 33573, United States Department of Agriculture, Economic Research Service.
    2. MacKinnon, James G, 1996. "Numerical Distribution Functions for Unit Root and Cointegration Tests," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 11(6), pages 601-18, Nov.-Dec..
    3. Jean Kinsey & Ben Senauer, 1996. "Consumer Trends and Changing Food Retailing Formats," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 78(5), pages 1187-1191.
    4. Reed, A.J. & Elitzak, H. & Wohlgenant, M.K., 2002. "Retail-Farm Price Margins and Consumer Product Diversity," Technical Bulletins 184326, United States Department of Agriculture, Economic Research Service.
    5. Park, J.Y. & Ogaki, M., 1991. "Seemingly Unrelated Canonical Cointegrating Regressions," RCER Working Papers 280, University of Rochester - Center for Economic Research (RCER).
    6. Eales, James S. & Hyde, Jeffrey & Schrader, Lee F., 1998. "A Note On Dealing With Poultry In Demand Analysis," Journal of Agricultural and Resource Economics, Western Agricultural Economics Association, vol. 23(02), December.
    7. 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).
    8. Deaton,Angus & Muellbauer,John, 1980. "Economics and Consumer Behavior," Cambridge Books, Cambridge University Press, number 9780521296762.
    9. Shon P. Williams & C. Richard Shumway, 2000. "Trade Liberalization and Agricultural Chemical Use: United States and Mexico," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 82(1), pages 183-199.
    10. Lewbel, Arthur, 1996. "Aggregation without Separability: A Generalized Composite Commodity Theorem," American Economic Review, American Economic Association, vol. 86(3), pages 524-43, June.
    11. Frank Asche & Helge Bremnes & Cathy R. Wessells, 1999. "Product Aggregation, Market Integration, and Relationships between Prices: An Application to World Salmon Markets," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 81(3), pages 568-581.
    12. Moschini, GianCarlo & Moro, D. & Green, Richard D., 1994. "Maintaining and Testing Separability in Demand Systems," Staff General Research Papers 11247, Iowa State University, Department of Economics.
    13. Cramer, J S, 1973. "Interaction of Income and Price in Consumer Demand," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 14(2), pages 351-63, June.
    14. Nelson, Julie A, 1990. "Quantity Aggregation in Consumer Demand Analysis When Physical Quantities Are Observed," The Review of Economics and Statistics, MIT Press, vol. 72(1), pages 153-56, February.
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