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Explicación del movimiento del tipo de cambio¿ qué aporta el diferencial de tasas?

Author

Listed:
  • Tobias Broer

    (Central Bank of Chile)

  • Bernardo Dominichetti

Abstract

En una economía pequeña y abierta como la chilena, el tipo de cambio (TC) es una variable fundamental para la determinación de la inflación y la actividad. Una buena comprensión de los movimientos pasados y futuros del TC parece esencial para una política monetaria adecuada. La presente minuta analiza la relación entre los movimientos del TC y los cambios inesperados del diferencial entre tasas externas e internas. Según la condición de paridad de interés descubierta (PID), una vez considerados los premios por riesgo, la trayectoria esperada del TC está estrechamente vinculada al diferencial de tasas. Sin embargo, empíricamente, la PID no muestra un ajuste satisfactorio de la trayectoria histórica del TC, ni un buen pronóstico para este en el futuro. Entre las razones para esta falla destacan la dificultad de medir el premio por riesgo, una movilidad imperfecta del capital, y variaciones de los determinantes del TC a largo plazo, que debilitan el vínculo entre el diferencial de tasas ex ante y la trayectoria efectiva del TC.

Suggested Citation

  • Tobias Broer & Bernardo Dominichetti, 2004. "Explicación del movimiento del tipo de cambio¿ qué aporta el diferencial de tasas?," Post-Print hal-04490108, HAL.
  • Handle: RePEc:hal:journl:hal-04490108
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