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Frequency of purchase and the estimation of demand systems

 

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Type:   Article
 
Titre:   Frequency of purchase and the estimation of demand systems
 
Auteur(s):   Meghir, Costas - UCL Department of Economics (Auteur)
Robin, Jean-Marc (1961-...) (Auteur)
 
In:   Journal of Applied Econometrics
 
Date de publication:   1992
 
Éditeur:   ÉTATS-UNIS  :  John Wiley & Sons
 
Volume:   53
 
Numéro:   1-3
 
Pages:   53-85  p.
 
ISSN:   08837252
 
Résumé:   [en] In this paper we consider a joint model for frequency of purchase and consumer demand. We discuss sufficient identifying assumptions for the estimation of consumer demands from survey data for the general case of nonlinear (or linear) Engel curves. Moreover we show that in many cases the actual number of purchases is necessary in order to obtain consistent parameter estimates for the demand system. The empirical application relates to the estimation of a demand system for French foodstuffs.
 
 

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