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Choix entre diverses spécifications pour l’étude de la demande agrégée des produits agro-alimentaires en Tunisie

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  • Mohamed Ayadi

    (Groupe de recherche en économie mathématique et quantitative (GREMAQ), Université des sciences sociales de Toulouse)

Abstract

This paper aims to provide a specification of the demand system for the agro-alimentary products of Tunisia. The difference between the market structure of these products will make us consider the estimation of three different demand systems: the mixed system, the classical system and the reciprocal system. We will test these demand systems with the Hausman test and find that the statistical specification of the mixed one is better. Ce texte porte sur la spécification d’un système de demande des produits agro-alimentaires en Tunisie. La structure de marché rattachée à chaque produit étant différente, nous devrons considérer l’estimation de trois types de système de demande : le système mixte, le système classique et le système réciproque. Nous trouverons, à l’aide du test de Hausman, que le système mixte est supérieur aux deux autres du point de vue de la spécification statistique.

Suggested Citation

  • Mohamed Ayadi, 1988. "Choix entre diverses spécifications pour l’étude de la demande agrégée des produits agro-alimentaires en Tunisie," L'Actualité Economique, Société Canadienne de Science Economique, vol. 64(2), pages 157-177.
    • Handle: RePEc:ris:actuec:v:64:y:1988:i:2:p:157-177
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    References listed on IDEAS

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