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El consumo de los hogares colombianos, 2006-2007: estimación de sistemas de demanda

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  • Darwin Cortés
  • Jorge Eduardo Pérez

Abstract

Using household data from the 2006 Income and Expenditure survey, we providea new estimation of demand systems for Colombia. We estimate three differentspecifications of demand systems, namely, the Linear Expenditure System(LES), the Extended Linear Expenditure System (ELES) and the Almost IdealDemand System (AIDS). We also calculate expenditure, income and price elasticitiesfor different groups of goods. We find that the expenditure elasticity offood has remained stable over time, around 0.77. Clothing is no longer a luxurygood and has become a good with unitary expenditure elasticity. Health and Educationare still luxury goods but their expenditure elasticities have decreasedover time.**Utilizando datos a nivel de hogares de la Encuesta de Ingresos y Gastos 2006-2007,presentamos nuevas estimaciones de sistemas de demanda para Colombia.Estimamos tres diferentes especificaciones de sistemas de demanda, a saber, elSistema Lineal de Gastos (LES), el Sistema Lineal de Gastos Extendido (ELES) yel Sistema Cuasi-Ideal de Demanda (AIDS). También calculamos valores de elasticidadesgasto, ingreso y precio para diferentes grupos de bienes. Encontramosque la elasticidad gasto de los alimentos se ha mantenido estable a través deltiempo alrededor de 0.77. Por su parte, el vestuario ha dejado de ser un de biende lujo para volverse un bien de elasticidad gasto unitaria. Finalmente, la saludy la educación siguen siendo bienes de lujo, pero sus elasticidades gasto hancaído a través del tiempo.

Suggested Citation

  • Darwin Cortés & Jorge Eduardo Pérez, 2010. "El consumo de los hogares colombianos, 2006-2007: estimación de sistemas de demanda," Documentos de Trabajo 7271, Universidad del Rosario.
    • Handle: RePEc:col:000092:007271
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    1. Laura H. Atuesta & Dusan Paredes Araya, 2012. "A spatial cost of living index for Colombia using a microeconomic approach and censored data," Applied Economics Letters, Taylor & Francis Journals, vol. 19(18), pages 1799-1805, December.

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    More about this item

    Keywords

    Demand Systems; Household Expenditure; Expenditure and Price Elasticities; Colombia**Sistemas de Demanda; Gasto de los Hogares; Elasticidades gasto yPrecio; Colombia;
    All these keywords.

    JEL classification:

    • D10 - Microeconomics - - Household Behavior - - - General
    • D12 - Microeconomics - - Household Behavior - - - Consumer Economics: Empirical Analysis

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