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Quadratic Differential Demand Systems and the Retail Demand for Pork in Great Britain

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  • Panos Fousekis
  • Brian J Revell

Abstract

The primary objective of this paper is to derive a general synthetic quadratic (rank 3) differential demand system which nests within it a range of testable differential demand models including the quadratic AIDS, CBS, Rotterdam and NBR systems. A model selection test procedure is also outlined. These differential systems are then applied and tested to analyse the monthly retail demand for cuts of pork in Great Britain over the period 1989–2000. The empirical results suggest that a quadratic differential AIDS model is most appropriate for the pork demand system studied, but that the need for inclusion of quadratic income/expenditure terms is not universal for every cut within the demand system. Quadratic expenditure effects were appropriate for pork chops and leg roasts, but log linear expenditure effects were adequate for bellies, shoulders and loin roasts. Roasting cuts were expenditure and own price elastic, with pork loins, chops and bellies all expenditure and own price inelastic.

Suggested Citation

  • Panos Fousekis & Brian J Revell, 2003. "Quadratic Differential Demand Systems and the Retail Demand for Pork in Great Britain," Journal of Agricultural Economics, Wiley Blackwell, vol. 54(3), pages 417-430, November.
    • Handle: RePEc:bla:jageco:v:54:y:2003:i:3:p:417-430
    DOI: 10.1111/j.1477-9552.2003.tb00069.x
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    Cited by:

    1. Richard J. Vyn & Getu Hailu, 2015. "Discount Usage and Price Discrimination for Pork Products in Canada," Canadian Journal of Agricultural Economics/Revue canadienne d'agroeconomie, Canadian Agricultural Economics Society/Societe canadienne d'agroeconomie, vol. 63(4), pages 449-474, December.
    2. Sven Anders & Anke Mőser, 2010. "Consumer Choice and Health: The Importance of Health Attributes for Retail Meat Demand in Canada," Canadian Journal of Agricultural Economics/Revue canadienne d'agroeconomie, Canadian Agricultural Economics Society/Societe canadienne d'agroeconomie, vol. 58(2), pages 249-271, June.
    3. Arabatzis, Garyfallos & Klonaris, Stathis, 2009. "An analysis of Greek wood and wood product imports: Evidence from the linear quadratic aids," Forest Policy and Economics, Elsevier, vol. 11(4), pages 266-270, July.
    4. Anders, Sven M. & Moeser, Anke, 2008. "Using Retail Scanner Data to Assess the Demand for Value-based Ground Meat Products in Canada," 2008 International Congress, August 26-29, 2008, Ghent, Belgium 44154, European Association of Agricultural Economists.

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