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Canadian Dairy Demand

  • Veeman, Michele M.
  • Peng, Yanning
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    The Canadian dairy industry faces a changing market environment as processors react to apparent shifts in consumers' preferences, consumers react to an altered mix of products on retail dairy shelves, and industry adjusts to potential pressures of competition and the challenge of new market opportunities under the impetus of changes arising from international trade. The purpose of this study is to derive a set of updated and disaggregated estimates of demand for major dairy products in a manner consistent with the economic theory of consumer behaviour. These estimates are necessary for policy models, policy analysis and forecasting. Previously dairy demand estimates were only available for broad product groupings such as fluid milk, butter, all cheese and "all other dairy products". For this study, four weakly separable groupings of major dairy products and related foods are specified. These are milk and other beverages, fats and oils, dairy dessert and related products and cheeses and apparent substitutes. Skim milk powder is assessed not to be a member of any of these groups but is hypothesized to be a member of a fifth dairy subgroup of dairy protein products. Due to data limitations, it was necessary to follow a single-equation approach for this product. The appropriateness of each product grouping was assessed by a two-stage test. First, each subgroup was tested using non-parametric tests of the axioms of revealed preference, as a means of inferring whether or not choices within each subgrouping are consistent with constrained utility maximization. Second, parametric assessment of each subgroup gave further evidence regarding the appropriateness of the groupings in terms of whether the estimated demand parameters are relatively stable and plausible. Based on satisfactory performance in these tests, parametric analyses for each subgroup were conducted using the linearized version of the almost ideal demand system, incorporating appropriate seasonality and habit formation variables. Estimates of own-price, cross-price and expenditure elasticities of demand are derived and presented. In general these seem plausible. Signs on the own-price elasticity estimates are as expected; the magnitudes appear to be reasonable. As expected, the majority of the specified foods are price-inelastic. However, butter, cooking/salad oil and other cheese appear to be price-elastic. Yogurt, concentrated milk and ice cream are fairly expenditure elastic while the two cheese types and butter appear slightly expenditure elastic.

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    File URL: http://purl.umn.edu/24037
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    Paper provided by University of Alberta, Department of Resource Economics and Environmental Sociology in its series Project Report Series with number 24037.

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    Date of creation: 1997
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    Handle: RePEc:ags:ualbpr:24037
    Contact details of provider: Postal: 515 General Services Building, University of Alberta, Edmonton, AlbertaT6G 2H1
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    1. Moschini, GianCarlo & Vissa, A., 1993. "Flexible Specification of Mixed Demand Systems," Staff General Research Papers 11249, Iowa State University, Department of Economics.
    2. Anderson Reynolds & Ellen Goddard, 1991. "Structural Change in Canadian Meat Demand," Canadian Journal of Agricultural Economics/Revue canadienne d'agroeconomie, Canadian Agricultural Economics Society/Societe canadienne d'agroeconomie, vol. 39(2), pages 211-222, 07.
    3. Moschini, G. & Moro, D., 1993. "A Food demand System for Canada," Papers 1-93, Gouvernement du Canada - Agriculture Canada.
    4. Chalfant, James A & Alston, Julian M, 1988. "Accounting for Changes in Tastes," Journal of Political Economy, University of Chicago Press, vol. 96(2), pages 391-410, April.
    5. Varian, Hal R, 1982. "The Nonparametric Approach to Demand Analysis," Econometrica, Econometric Society, vol. 50(4), pages 945-73, July.
    6. Moschini, GianCarlo & Moro, D., 1993. "Food Demand System for Canada, A," Staff General Research Papers 12753, Iowa State University, Department of Economics.
    7. Pollak, Robert A & Wales, Terrence J, 1969. "Estimation of the Linear Expenditure System," Econometrica, Econometric Society, vol. 37(4), pages 611-28, October.
    8. Moschini, GianCarlo, 1995. "Units of Measurement and the 'Stone Index' In Demand System Estimation," Staff General Research Papers 5058, Iowa State University, Department of Economics.
    9. Tsur, Yacov, 1989. "On Testing For Revealed Preference Conditions," Staff Papers 14264, University of Minnesota, Department of Applied Economics.
    10. P. Y. Chen & M. M. Veeman, 1991. "An Almost Ideal Demand System Analysis for Meats with Habit Formation and Structural Change," Canadian Journal of Agricultural Economics/Revue canadienne d'agroeconomie, Canadian Agricultural Economics Society/Societe canadienne d'agroeconomie, vol. 39(2), pages 223-235, 07.
    11. Pollak, Robert A, 1970. "Habit Formation and Dynamic Demand Functions," Journal of Political Economy, University of Chicago Press, vol. 78(4), pages 745-63, Part I Ju.
    12. Tsur, Yacov, 1989. "On testing for revealed preference conditions," Economics Letters, Elsevier, vol. 31(4), pages 359-362, December.
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