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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.

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Bibliographic Info

Paper provided by UNIVERSIDAD DEL ROSARIO in its series DOCUMENTOS DE TRABAJO with number 007271.

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Length: 28
Date of creation: 27 Jun 2010
Date of revision:
Handle: RePEc:col:000092:007271

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Keywords: Demand Systems; Household Expenditure; Expenditure and Price Elasticities; Colombia**Sistemas de Demanda; Gasto de los Hogares; Elasticidades gasto yPrecio; Colombia;

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  1. Deaton, Angus, 1987. "Estimation of own- and cross-price elasticities from household survey data," Journal of Econometrics, Elsevier, vol. 36(1-2), pages 7-30.
  2. Arthur Lewbel & Krishna Pendakur, 2009. "Tricks with Hicks: The EASI Demand System," American Economic Review, American Economic Association, vol. 99(3), pages 827-63, June.
  3. Blundell, Richard & Robin, Jean Marc, 1999. "Estimation in Large and Disaggregated Demand Systems: An Estimator for Conditionally Linear Systems," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 14(3), pages 209-32, May-June.
  4. Erich Battistin, 2002. "Errors in Survey Reports of Consumption Expenditures," 10th International Conference on Panel Data, Berlin, July 5-6, 2002 C4-2, International Conferences on Panel Data.
  5. 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, vol. 81(4), pages 972-982.
  6. Orazio Attanasio & Erich Battistin & Alice Mesnard, 2009. "Food and cash transfers: evidence from Colombia," IFS Working Papers W09/15, Institute for Fiscal Studies.
  7. Jorge Barrientos Marín, 2009. "On the Consumer Behavior in Urban Colombia: The Case of Bogotá," ENSAYOS SOBRE POLÍTICA ECONÓMICA, BANCO DE LA REPÚBLICA - ESPE.
  8. Deaton, Angus S & Muellbauer, John, 1980. "An Almost Ideal Demand System," American Economic Review, American Economic Association, vol. 70(3), pages 312-26, June.
  9. Harald Tauchmann, 2005. "Efficiency of two-step estimators for censored systems of equations: Shonkwiler and Yen reconsidered," Applied Economics, Taylor & Francis Journals, vol. 37(4), pages 367-374.
  10. S. Selvanathan & E. A. Selvanathan, 2006. "Consumption patterns of food, tobacco and beverages: a cross-country analysis," Applied Economics, Taylor & Francis Journals, vol. 38(13), pages 1567-1584.
  11. James Banks & Richard Blundell & Arthur Lewbel, 1997. "Quadratic Engel Curves And Consumer Demand," The Review of Economics and Statistics, MIT Press, vol. 79(4), pages 527-539, November.
  12. Erich Battistin & Raffale Miniaci & Guglielmo Weber, 2000. "What do we learn from recall consumption data?," IFS Working Papers W00/10, Institute for Fiscal Studies.
  13. Denis Conniffe & John Eakins, 2003. "Does the Stochastic Specification of the Linear Expenditure System Matter?," The Economic and Social Review, Economic and Social Studies, vol. 34(1), pages 23–32.
  14. 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, vol. 82(4), pages 1022-1037.
  15. Lluch, Constantino, 1973. "The extended linear expenditure system," European Economic Review, Elsevier, vol. 4(1), pages 21-32, April.
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Cited by:
  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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