Notas sobre la determinación y dinámica del tipo de cambio
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1998
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Pontificia Universidad Católica del Perú. Departamento de Economía
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Resumen
Este es un trabajo sobre los determinantes y dinámica del tipo de cambio en una economía abierta con libre movimiento de capitales. Se revisan y ordenan los principales modelos monetarios y de cartera. Previamente se definen las paridades de interés y precios utilizadas en ambos tipos de modelos. La mayoría de los modelos analizados incorpora la hipótesis de expectativas racionales en sistemas de dos ecuaciones diferenciales. Por esta razón, se presentan con cierto detalle los instrumentos matemáticos útiles para la solución de estos modelos y para el respectivo análisis de estática comparativa.
This paper is about the dynamics and the exchange rate determination in an open economy with free capital movements. The basic monetary and portfolio models are presented and analyzed. The paper includes a brief description of the interest and purchasing power parities, which are part of both types of models. The hypothesis of rational expectations is part of almost all of these models, which are presented in a system of two differential equations. For this reason, the mathematical instruments for the comparative static and for the solution of these models are presented in a systematic way.
This paper is about the dynamics and the exchange rate determination in an open economy with free capital movements. The basic monetary and portfolio models are presented and analyzed. The paper includes a brief description of the interest and purchasing power parities, which are part of both types of models. The hypothesis of rational expectations is part of almost all of these models, which are presented in a system of two differential equations. For this reason, the mathematical instruments for the comparative static and for the solution of these models are presented in a systematic way.
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Tipo de cambio--Modelos matemáticos
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