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Heterogeneidad en la fijación de precios en Colombia: Análisis de sus determinantes a partir de modelos de conteo

  • Juan Carlos Parra A.
  • Martha Misas A.


  • Enrique López E.


En este documento se estudian los determinantes de la heterogeneidad observada en la flexibilidad de precios, empleando los resultados encontrados en una encuesta directa por Misas et al. (2009). Para esto se utilizan los modelos de conteo y se diseñan e implementan un conjunto de pruebas de especificación y de selección de modelos que garantizan una correcta inferencia estadística. En términos generales, los determinantes más significativos a la hora de explicar el grado de flexibilidad de los precios, son las características del producto, los acuerdos contractuales y el sector económico al que pertenece la firma. Por su parte, técnicas de mercadeo, como la posibilidad de discriminar precios entre compradores, son menos significativas. También se encuentra que la existencia de leyes o decretos administrativos, la existencia de líderes en precios y los movimientos de costos no explican la heterogeneidad en el proceso de fijación de los precios.

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Paper provided by Banco de la Republica de Colombia in its series Borradores de Economia with number 628.

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Handle: RePEc:bdr:borrec:628
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  1. Begoña Álvarez & Miguel A. Delgado, 2002. "Goodness-of-fit techniques for count data models: an application to the demand for dental care in Spain," Empirical Economics, Springer, vol. 27(3), pages 543-567.
  2. Carlos Carvalho, 2005. "Heterogeneity in Price Setting and the Real Effects of Monetary Shocks," Macroeconomics 0509017, EconWPA, revised 12 Sep 2005.
  3. Juan Manuel Julio Román, 2010. "Heterogeneidad observada y no observada en la formación de los precios del IPC Colombiano," BORRADORES DE ECONOMIA 006976, BANCO DE LA REPÚBLICA.
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  9. Martha Misas Arango & Enrique López Enciso & Juan Carlos Parra, 2009. "La formación de precios en las empresas colombianas: evidencia a partir de una encuesta directa," BORRADORES DE ECONOMIA 005735, BANCO DE LA REPÚBLICA.
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  16. Maria Melkersson & Dan-Olof Rooth, 2000. "Modeling female fertility using inflated count data models," Journal of Population Economics, Springer, vol. 13(2), pages 189-203.
  17. Calvo, Guillermo A., 1983. "Staggered prices in a utility-maximizing framework," Journal of Monetary Economics, Elsevier, vol. 12(3), pages 383-398, September.
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