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U.S. Food and Nutrient Demand and the Effects of Agricultural Policies

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  • LaFrance, Jeffrey T.

Abstract

An econometric model of annual per capita U.S. food and nutrition demand is developed. The model is a flexible, full rank two Gorman polar form. It is strictly aggregable across income, demographic variables, and variations in micro preference parameters. Parametric conditions for global quasi-concavity of the (quasi-)utility function are derived. The model is implemented with annual time series data on U.S. per capita food consumption for the sample period 1918-1994. A battery of new test statistics are developed for and applied to the following hypotheses: (1) strict exogeneity of income or total expenditures; (2) global symmetry and negative semidefiniteness of the Slutsky substitution matrix; (3) parameter stability in a multivariate, nonlinear regression model based on within sample residuals; and (4) weak separability of food items from all other goods in the representative consumer's preference function. The empirical results are very encouraging with respect to the strictures of economic theory, heretofore a virtually unheard of outcome. The model is used to analyze the food and nutrient consumption and consumer welfare impacts of the U.S. dairy program.

Suggested Citation

  • LaFrance, Jeffrey T., 1999. "U.S. Food and Nutrient Demand and the Effects of Agricultural Policies," Department of Agricultural & Resource Economics, UC Berkeley, Working Paper Series qt52h9v4dq, Department of Agricultural & Resource Economics, UC Berkeley.
  • Handle: RePEc:cdl:agrebk:qt52h9v4dq
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    Cited by:

    1. J paul Dunne & Beverly Edkins, 2008. "The Demand For Food In South Africa," South African Journal of Economics, Economic Society of South Africa, vol. 76(1), pages 104-117, March.
    2. LaFrance, J. T. & Beatty, T. K. M. & Pope, R. D. & Agnew, G. K., 2002. "Information theoretic measures of the income distribution in food demand," Journal of Econometrics, Elsevier, vol. 107(1-2), pages 235-257, March.
    3. Just, David R., 2006. "Behavioral Economics, Food Assistance, and Obesity," Agricultural and Resource Economics Review, Northeastern Agricultural and Resource Economics Association, vol. 35(2), October.
    4. Hawkes, Corinna & Friel, Sharon & Lobstein, Tim & Lang, Tim, 2012. "Linking agricultural policies with obesity and noncommunicable diseases: A new perspective for a globalising world," Food Policy, Elsevier, vol. 37(3), pages 343-353.
    5. LaFrance, Jeffrey T., 1999. "An Econometric Model of the Demand for Food and Nutrition," Department of Agricultural & Resource Economics, UC Berkeley, Working Paper Series qt2z5516c2, Department of Agricultural & Resource Economics, UC Berkeley.

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