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Evaluación de pronósticos para la tasa de cambio en Colombia

Author

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  • Carlos Ignacio Patino
  • Julio César Alonso

Abstract

Este documento analiza la capacidad de predicción dentro de la muestra (in sample) de cuatro modelos de tasa de cambio nominal para Colombia durante el período 1984:I - 2004:I. Se emplean los enfoques monetarios de precios rígidos (Dornbusch (1976) -Frankel (1979)) y el de Balassa - Samuelson, que le da un papel central a los diferenciales de productividad. Adicionalmente se analiza la condición de la paridad del poder adquisitivo (PPP). La capacidad predictiva de dichos modelos es comparada con un camino aleatorio. Las medidas empleadas para evaluar los pronósticos son la raíz cuadrática del error de pronóstico (rms) y el coeficiente de desigualdad de Theil. Se observa que a pesar de tener una gran capacidad de predicción, ningún modelo supera al camino aleatorio. Dicha conclusión corrobora los resultados presentados en la literatura sobre los determinantes de la tasa de cambio nominal.

Suggested Citation

  • Carlos Ignacio Patino & Julio César Alonso, 2005. "Evaluación de pronósticos para la tasa de cambio en Colombia," Estudios Gerenciales, Universidad Icesi, June.
  • Handle: RePEc:col:000129:002637
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