Resumo

MUNOZ AYALA, Jorge Enrique. ESTIMACIÓN DE COEFICIENTES DE ORSHANSKY A PARTIR DE UN SISTEMA COMPLETO DE ECUACIONES DE DEMANDA: UNA NUEVAMETODOLOGÍA PARA LA ELABORACIÓN DE UMBRALES DE POBREZA. Cuad. Econ. [online]. 2009, vol.28, n.50, pp.191-221. ISSN 0121-4772.

Based on microeconomic consumer theory, this paper proposes a new methodology for the construction of poverty thresholds. The main objective is to show the composition of a non-food basket and its relationship with the food basket. Orshansky coefficients are estimated using a non-traditional method. For this purpose, a demand equations system aimed at estimating the subsistence baskets (food and non-food) is used. After solving for some econometric difficulties (simultaneity bias, identification and selectivity bias), this document analyses the system´s structural parameters. Minimum subsistence baskets for a population are obtained. Results refer to the population of Bogota and its districts.

Palavras-chave : sdemand equations system; LES; ELES; selectivity bias; subsistence consumption; poverty line; extreme poverty line; Orshansky coefficients.

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