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IFS Working Papers
October 2002 W02/17
Article
Estimation of household demand systems with theoretically compatible Engel curves and unit value specifications
Type: IFS Working Papers
Authors: Ian Crawford, François Laisney and Ian Preston
ISSN: 1742-0415
Volume, issue, pages: 35 pp
JEL classification: D11, D12
Keywords: Consumer demand, unit values

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We develop a method for estimation of price reactions using unit value data which exploits the implicit links between quantity and unit value choices. This allows us to combine appealing Engel curve specifications with a model of unit value determination in a way which is consistent with demand theory, unlike methods hitherto prominent in the literature. The method is applied to Czech data.

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