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Deriving a Flexible Mixed Demand System: The Normalized Quadratic Model


  • Moschini, GianCarlo
  • Rizzi, Pier Luigi


This article deals with the specification of a locally flexible and theory-consistent system of mixed demand functions, a framework that allows for a rich set of possibilities about what is assumed as exogenous in a demand model. A coherent mixed demand system is derived by using the restricted expenditure function typically studied in the related area of rationed demands. The method is implemented by a new normalized quadratic (NQ) parameterization of the restricted expenditure function. The resulting NQ mixed demand system is illustrated with an application to a nine-good model of the Italian demand for vegetables.

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  • Moschini, GianCarlo & Rizzi, Pier Luigi, 2007. "Deriving a Flexible Mixed Demand System: The Normalized Quadratic Model," Staff General Research Papers Archive 12747, Iowa State University, Department of Economics.
  • Handle: RePEc:isu:genres:12747

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    Cited by:

    1. Färe, Rolf & Grosskopf, Shawna & Hayes, Kathy J. & Margaritis, Dimitris, 2008. "Estimating demand with distance functions: Parameterization in the primal and dual," Journal of Econometrics, Elsevier, vol. 147(2), pages 266-274, December.

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