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A Range-Based Multivariate Stochastic Volatility Model for Exchange Rates 

Authors: Ben Tims a; Ronald Mahieu a
Affiliation:   a Department of Financial Management, RSM Erasmus University, Rotterdam, Netherlands
DOI: 10.1080/07474930600712814
Publication Frequency: 6 issues per year
Published in: journal Econometric Reviews, Volume 25, Issue 2 & 3 September 2006 , pages 409 - 424
Formats available: HTML (English) : PDF (English)
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Abstract

In this paper we present a parsimonious multivariate model for exchange rate volatilities based on logarithmic high-low ranges of daily exchange rates. The multivariate stochastic volatility model decomposes the log range of each exchange rate into two independent latent factors, which could be interpreted as the underlying currency specific components. Owing to the empirical normality of the logarithmic range measure the model can be estimated conveniently with the standard Kalman filter methodology. Our results show that our model fits the exchange rate data quite well. Exchange rate news seems to be currency specific and allows identification of currency contributions to both exchange rate levels and exchange rate volatilities.
Keywords: Exchange rates; Multivariate stochastic volatility models; Range-based volatility
JEL Classification: C51; G15; F31
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