The structure of US food demand

Jeffrey LaFrance ()

Journal of Econometrics, 2008, vol. 147, issue 2, 336-349

Abstract: An exactly aggregable system of Gorman Engel curves for US food consumption is developed and implemented. Box-Cox transformations on prices and income nest functional form. The model nests rank up to rank three. The model is estimated by nonlinear three-stage least squares with annual time series data on 21 foods, 17 nutrients, age and race demographics, and the distribution of income for 1919-1941 and 1947-2000. Results are consistent with full rank three. Point estimates for the Box-Cox parameters on income and prices are 0.86 and 1.09, respectively, strongly rejecting zero and one in both cases. No statistical evidence of serial correlation, specification errors, or parameter instability is found.

Keywords: Aggregation; Food; demand; Functional; form; Parameter; stability; Rank; Specification; errors (search for similar items in EconPapers)
Date: 2008
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Citations: View citations in EconPapers (14)

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Related works:
Working Paper: The Structure of U.S. Food Demand (1998)
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Persistent link: https://EconPapers.repec.org/RePEc:eee:econom:v:147:y:2008:i:2:p:336-349

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