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Identification et Estimation des Courbes d'Engel Alimentaires Quadratiques : L'experience du Cameroun

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  • Wirba, Ebenezer Lemven

Abstract

Dans cette etude, nous estimons des courbes d'Engel alimentaires quadratiques en utilisant les donnees des enquetes sur la consommation des menages du Cameroun de 2001, 2007 et 2014. Pour traiter les erreurs de mesure potentielles des regresseurs, nous utilisons la strategie d'identification basee sur l'heteroscedasticite. Les analyses exploratoires non parametriques suggerent des formes quadratiques pour les courbes d'Engel alimentaires. Les resultats de la regression dans cette etude confirment ces modeles. Aux niveaux de depenses inferieurs, les augmentations unitaires des depenses totales augmentent la part Identification et Estimation des Courbes d'Engel Alimentaires Quadratiques : L'experience du Cameroun Ebenezer Lemven Wirba Octobre 2023 / No.809 DOCUMENT DE POLITIQUE GENERALE 2 Document de Politique Generale No.809 du budget alimentaire, tandis qu'aux niveaux superieurs aux seuils de depenses, les augmentations unitaires des depenses totales reduisent la part du budget alimentaire. Nous trouvons egalement des preuves de changements majeurs dans les courbes quadratiques d'Engel sur l'alimentation au fil du temps. Ces resultats suggerent qu'une reduction des taxes sur les produits alimentaires serait plus benefique pour les menages pauvres.

Suggested Citation

  • Wirba, Ebenezer Lemven, 2024. "Identification et Estimation des Courbes d'Engel Alimentaires Quadratiques : L'experience du Cameroun," Working Papers 96d94724-42a7-4eaa-a767-c, African Economic Research Consortium.
  • Handle: RePEc:aer:wpaper:96d94724-42a7-4eaa-a767-cd0d18603698
    Note: African Economic Research Consortium
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