Semiflexible Almost Ideal Demand System, The
The concept of a semiflexible functional form is applied to the almost ideal demand system. This yields a demand model that is more parsimonious than standard ones while preserving a degree of flexibility, that satisfies the curvature property of concavity of the underlying expenditure function (at least locally), and that preserves the desirable properties of the almost ideal model--aggregation across consumers and nonlinearity of the Engel curves. The model is illustrated with an application to a relatively large demand system emphasizing food consumption.
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|Date of creation:||01 Jan 1998|
|Date of revision:|
|Publication status:||Published in European Economic Review 1998, vol. 42, pp. 349-364|
|Contact details of provider:|| Postal: Iowa State University, Dept. of Economics, 260 Heady Hall, Ames, IA 50011-1070|
Phone: +1 515.294.6741
Fax: +1 515.294.0221
Web page: http://www.econ.iastate.edu
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