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Biblioteca Digital - Universidad Icesi
Part of book or chapter of book . 2005
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Determinantes de la tasa de cambio en Colombia: evaluación de pronósticos

Authors: Alonso Cifuentes, Julio César;

Determinantes de la tasa de cambio en Colombia: evaluación de pronósticos

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 periodo 1984:1-2004:1. Se emplean los enfoques monetarios de precios rígidos (Dornbusch 1976) (Franke11979) 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 encuentra 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. This paper analyses the in sample forecasting performance of four models for the Colombian exchange rate during the period 1984:1-2004:1. The sticky price monetary (Dornbusch 1976),(Franke11979) and the Balassa-Samuelson (which gives a central role to the productivity differentials) approaches are used. Additionally, the Purchasing Power Parity condition (PPP) is analyzed. The forecasting ability of these models is compared using a random walk as a benchmark model. The measures used to evaluate the forecasts are the root mean square error (rms) and inequality coefficient of Theil. It is found that despite the great ability to predict, no model overcomes the random walk. This conclusion strengthens the previous results in the exchange rate determinants literature.

Country
Colombia
Related Organizations
Keywords

330, Pronósticos de los negococios, Economics, Econometrics models, Tasa de cambio, Econometría, Economía, Modelos econométricos

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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