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La curva de Engel de los servicios de salud en Colombia: Una aproximación semiparamétrica

Author

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

Abstract

Resumen: En este artículo se estiman las curvas de Engel para diferentes rubros de gasto en salud. Para tal fin, se emplean modelos semiparamétricos que utilizan la información de la Encuesta de Calidad de Vida de 1997. Adicionalmente, se corrigieron los problemas de endogeneidad detectados usando regresores construidos en dos etapas. Se realizaron contrastes bootstrap para detectar efectos lineales y cuadráticos. Los resultados indican que la linealidad es rechazada en la mayoría de las estimaciones, pero el efecto cuadrático no pudo ser rechazado en el caso del transporte y en el de la hospitalización para los más pobres. Asimismo, el transporte público para atender servicios de salud se comporta como un bien inferior, en tanto que el gasto de afiliación a la seguridad social podría ser un bien de lujo. / Abstract: In this article, the Engel curves for different types of health expenses are estimated. To this end, semiparametric models using information from the Survey of Life Quality in 1997 are employed. In addition, endogeneity problems were corrected using two-stage built regressors. Bootstrap contrasts were conducted to identify linear and quadratic effects. The results indicate that linearity is rejected in the majority of the estimations, but the quadratic effect cannot be rejected in the cases of transportation and hospitalization for the poorest. Similarly, public transport to attend health services behaves as an inferior good, while social security enrollment expenses might be a luxury good.

Suggested Citation

  • Barrientos Marín, Jorge Hugo & Gallego, Juan Miguel & Saldarriaga Juan Pablo, 2011. "La curva de Engel de los servicios de salud en Colombia: Una aproximación semiparamétrica," Revista Lecturas de Economía, Universidad de Antioquia, CIE, issue 74, June.
  • Handle: RePEc:col:000174:008977
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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; bootstrap; 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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