Dispêndios com alimentos no Brasil: uma contribuição ao estudo da forma funcional

Abstract

This paper has contributed the study of the functional forms of aggregate demand of aliments, by using the date of ENDEF, a tecnique of Box-Cox and traditional models of demand. Their results have shown that the use of functional form would arbitrate a tendency with an error of estimation up to 552%. Anyway, it veriful that the obtained results with the procedure of Box Cox an perfectly currents with a priori expectations and with the empirical evidence pennilty a superior adjustent to the results obtained by traditional models.