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La Curva de Engel de los Servicios de Salud En Colombia. Una Aproxima-ción Semiparamétrica

Author

Listed:
  • Barrientos Marín, Jorge
  • Gallego, Juan Miguel
  • Saldarriaga, Juan Pablo

Abstract

Resumen: en este trabajo estamos interesados en estimar curvas de Engel para diferentes rubros de gasto en salud, incluida la salud como un todo. Para llevar a cabo este objetivo, usamos información contenida en la Encuesta de Calidad de Vida de 1997. La técnica usada aquí está basada en modelos semiparamétricos, o Parcialmente Aditivos, combinando estructuras paramétricas y noparamétricas. Adicionalmente, corregimos los problemas de endogeneidad que pueden aparecen y detectamos si son suficientes modelos lineales o cuadráticos. Nuestros resultados indican que el transporte para ir al médico es un bien denominado inferior debido a la forma de la curva estimada. Así mismo la linealidad es fuertemente rechazada en muchos casos, pero el efecto cuadrático (imperfecto) no pudo ser rechazado en el caso del transporte. / Abstract: in this paper we are interested in estimating Engel curves for different budget share related to health services. To this end we use data drawn for ECV/1997. We based our estimation on additive partial linear models, which mix non-and parametric models. Endogeneity problems could arise in the estimation of Engel curves; in order to correct this problem, we use two stage generated regressors. We perform bootstrap testing procedures for detecting linear and quadratic effect of total expenditure on budget share. Because of shape of transportation for visiting doc we think that it is a sort of inferior good. Most of the times, linear effects are strongly rejected, but quadratic effects are not rejected for transportation

Suggested Citation

  • Barrientos Marín, Jorge & Gallego, Juan Miguel & Saldarriaga, Juan Pablo, 2009. "La Curva de Engel de los Servicios de Salud En Colombia. Una Aproxima-ción Semiparamétrica," Borradores Departamento de Economía 8097, Universidad de Antioquia, CIE.
    • Handle: RePEc:col:000196:008097
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    Cited by:

    1. Tobón Orozco, David & Molina, Carlos & Vargas, Harvey, 2018. "Can environmental taxes and payments for ecosystem services regulate pollution when the resilience of water bodies is surpassed?," Borradores Departamento de Economía 17179, Universidad de Antioquia, CIE.

    More about this item

    Keywords

    curva de Engel; gasto en salud; modelos semiparamétricos; endogeneidad; boots-trap; instrumentos;
    All these keywords.

    JEL classification:

    • C14 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Semiparametric and Nonparametric Methods: General
    • D12 - Microeconomics - - Household Behavior - - - Consumer Economics: Empirical Analysis
    • D1 - Microeconomics - - Household Behavior

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