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El Consumo de los Hogares Colombianos, 2006-2007: Estimación de Sistemas de Demanda


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  • Darwin Cortes


  • Jorge Perez



Utilizando datos a nivel de hogares de la Encuesta de Ingresos y Gastos2006-2007, estimamos cuatro diferentes especificaciones de sistemasde demanda para Colombia, a saber, el sistema lineal de gastos (les),el sistema lineal de gastos extendido (eles), el sistema cuasi ideal dedemanda (aids) y el sistema cuasi ideal de demanda cuadrático (qaids).También calculamos valores de elasticidades gasto, ingreso y precio para diferentes grupos de bienes. Encontramos que la elasticidadgasto de los alimentos se ha mantenido estable a través del tiempo,entre 0,71 y 0,77 para el conjunto de hogares urbanos. Sin embargo,al comparar hogares de diferentes quintiles de ingreso, encontramosque esta elasticidad varía entre 0,58 y 0,85. Este hallazgo debe tenerseen cuenta en el diseño de la política pública. Por su parte, bienes comola salud, la educación y el transporte han dejado de ser bienes de lujoy ahora son bienes necesarios o bienes de elasticidad gasto unitaria,dependiendo del sistema que se use para estimarla. La reducción enlas elasticidades gasto de estos bienes refleja las políticas que se hanllevado a cabo en el país en las últimas décadas.

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Volume (Year): (2010)
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Handle: RePEc:col:000090:008767

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Keywords: sistemas de demanda; gasto de los hogares; elasticidadesgasto y precio; Colombia.;

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  1. Arthur Lewbel & Krishna Pendakur, 2006. "Tricks With Hicks: The EASI Demand System," Boston College Working Papers in Economics, Boston College Department of Economics 651, Boston College Department of Economics, revised 26 Nov 2008.
  2. Blundell & Robin, 1999. "Estimation in large and disaggregated demand systems : an estimator for conditionally linear systems," Working Papers, Institut National de la Recherche Agronomique, France 156380, Institut National de la Recherche Agronomique, France.
  3. Harald Tauchmann, 2005. "Efficiency of two-step estimators for censored systems of equations: Shonkwiler and Yen reconsidered," Applied Economics, Taylor & Francis Journals, Taylor & Francis Journals, vol. 37(4), pages 367-374.
  4. Federico Perali & Jean-Paul Chavas, 2000. "Estimation of Censored Demand Equations from Large Cross-Section Data," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, Agricultural and Applied Economics Association, vol. 82(4), pages 1022-1037.
  5. Lluch, Constantino, 1973. "The extended linear expenditure system," European Economic Review, Elsevier, Elsevier, vol. 4(1), pages 21-32, April.
  6. Denis Conniffe & John Eakins, 2003. "Does the Stochastic Specification of the Linear Expenditure System Matter?," The Economic and Social Review, Economic and Social Studies, Economic and Social Studies, vol. 34(1), pages 23–32.
  7. Orazio Attanasio & Erich Battistin & Alice Mesnard, 2012. "Food and Cash Transfers: Evidence from Colombia," Economic Journal, Royal Economic Society, Royal Economic Society, vol. 122(559), pages 92-124, 03.
  8. Jorge Barrientos Marín, 2009. "On the Consumer Behavior in Urban Colombia: The Case of Bogotá," ENSAYOS SOBRE POLÍTICA ECONÓMICA, BANCO DE LA REPÚBLICA - ESPE, BANCO DE LA REPÚBLICA - ESPE.
  9. James Banks & Richard Blundell & Arthur Lewbel, 1997. "Quadratic Engel Curves And Consumer Demand," The Review of Economics and Statistics, MIT Press, MIT Press, vol. 79(4), pages 527-539, November.
  10. Erich Battistin & Raffaele Miniaci & Guglielmo Weber, 2003. "What Do We Learn from Recall Consumption Data?," Journal of Human Resources, University of Wisconsin Press, University of Wisconsin Press, vol. 38(2).
  11. Deaton, Angus S & Muellbauer, John, 1980. "An Almost Ideal Demand System," American Economic Review, American Economic Association, American Economic Association, vol. 70(3), pages 312-26, June.
  12. Deaton, Angus, 1987. "Estimation of own- and cross-price elasticities from household survey data," Journal of Econometrics, Elsevier, Elsevier, vol. 36(1-2), pages 7-30.
  13. J. Scott Shonkwiler & Steven T. Yen, 1999. "Two-Step Estimation of a Censored System of Equations," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, Agricultural and Applied Economics Association, vol. 81(4), pages 972-982.
  14. Erich Battistin, 2002. "Errors in Survey Reports of Consumption Expenditures," 10th International Conference on Panel Data, Berlin, July 5-6, 2002, International Conferences on Panel Data C4-2, International Conferences on Panel Data.
  15. S. Selvanathan & E. A. Selvanathan, 2006. "Consumption patterns of food, tobacco and beverages: a cross-country analysis," Applied Economics, Taylor & Francis Journals, Taylor & Francis Journals, vol. 38(13), pages 1567-1584.
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Cited by:
  1. Laura Atuesta & Dusan Paredes, 2011. "A Spatial cost of living index for Colombia using a microeconomic approach and censored data," Documentos de Trabajo en Economia y Ciencia Regional, Universidad Catolica del Norte, Chile, Department of Economics 14, Universidad Catolica del Norte, Chile, Department of Economics, revised May 2011.


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