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Un sistema lineal de gasto: identificando patrones de consumo de alimentos en Bolivia

Author

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  • Cristian Ricardo Nogales Carvajal

    (Centro de Investigaciones Económicas y Empresariales, Universidad Privada Boliviana)

Abstract

El presente estudio aborda la identificación de patrones consumo, partiendo de una revisión teórica de las particularidades de las preferencias individuales subyacentes en el Sistema Lineal de Gasto (LES). Se describe, explica e implementa un método de estimación del Sistema por Máxima de Verosimilitud propuesto por Kao, Lee & Pitt (2001). Para facilitar la estimación, el método contempla la simulación de la parte de la función de verosimilitud que toma en cuenta de manera explícita la ausencia de consumo de algunos bienes por parte de algunos hogares. Para enriquecer el Sistema, el método permite incluir variables sociodemográficas susceptibles de determinar los patrones de consumo. Este método es aplicado al estudio de patrones de consumo en Bolivia, diferenciados de acuerdo a la zona geográfica: llanos, altiplano y valles. De manera general, se encuentra que los hogares bolivianos prefieren los alimentos que presentan un grado de elaboración intermedia. Se constata, entre otros resultados importantes, que este tipo de bienes presentan una sensibilidad relativamente alta a cambios en sus precios, el ingreso de los hogares y los precios del resto de los alimentos.

Suggested Citation

  • Cristian Ricardo Nogales Carvajal, 2009. "Un sistema lineal de gasto: identificando patrones de consumo de alimentos en Bolivia," Investigación & Desarrollo, Universidad Privada Boliviana, vol. 1(1), pages 27-43.
    • Handle: RePEc:iad:wpaper:0109
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    References listed on IDEAS

    as
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    More about this item

    Keywords

    Sistema Lineal de Gasto; Máxima de Verosimilitud; Elasticidad Ingreso; Elasticidad Precio Directa; Elasticidad Precio Cruzada;
    All these keywords.

    JEL classification:

    • C10 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - General
    • D11 - Microeconomics - - Household Behavior - - - Consumer Economics: Theory

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