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Impacto de las intervenciones cambiarias sobre el nivel y la volatilidad de la tasa de cambio en Colombia

Author

Listed:
  • Juan José Echavarría

    ()

  • Mauricio Villamizar

    ()

  • Diego Vásquez

    ()

Abstract

Este trabajo evalúa los determinantes de las compras de divisas y su impacto sobre la tasa de cambio nominal en Colombia durante el período 2000-2008. Estimaciones Tobit muestran que el Banco Central compró divisas para compensar las revaluaciones frente al día anterior y para corregir tendencias “excesivas” cuando se redujo la presión inflacionaria y cuando el Banco Central tuvo una posición acreedora neta. La estimación de un modelo EGARCH muestra que las compras de divisas devaluaron la tasa de cambio y redujeron su volatilidad, tanto en el corto plazo (un día) como en el mediano plazo (un mes, tres meses y seis meses). Las posibles contradicciones macroeconómicas no fueron suficientemente fuertes para producir un efecto sobre la función de reacción de las autoridades o sobre el impacto de las intervenciones. El trabajo emplea metodologías que permiten evaluar la estabilidad de los parámetros de la ecuación de media y de volatilidad para el modelo EGARCH en forma simultánea.

Suggested Citation

  • Juan José Echavarría & Mauricio Villamizar & Diego Vásquez, 2010. "Impacto de las intervenciones cambiarias sobre el nivel y la volatilidad de la tasa de cambio en Colombia," Revista ESPE - Ensayos sobre Política Económica, Banco de la Republica de Colombia, vol. 28(62), pages 12-69, June.
  • Handle: RePEc:bdr:ensayo:v:28:y:2010:i:62:p:12-69
    DOI: 10.32468/Espe.6201
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    References listed on IDEAS

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    Full references (including those not matched with items on IDEAS)

    More about this item

    Keywords

    Intervenciones cambiarias; monto; modalidades e impacto de las intervenciones; funcion de reaccion del banco central; estabilidad de parámetros; estimación Tobit; EGARCH;

    JEL classification:

    • E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies
    • F31 - International Economics - - International Finance - - - Foreign Exchange
    • F32 - International Economics - - International Finance - - - Current Account Adjustment; Short-term Capital Movements
    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets

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