Evaluating volatility dynamics and the forecasting ability of Markov switching models
AbstractThis paper uses Markov switching models to capture volatility dynamics in exchange rates and to evaluate their forecasting ability. We identify that increased volatilities in four euro-based exchange rates are due to underlying structural changes. Also, we find that currencies are closely related to each other, especially in high-volatility periods, where cross-correlations increase significantly. Using Markov switching Monte Carlo approach we provide evidence in favour of Markov switching models, rejecting random walk hypothesis. Testing in-sample and out-of-sample Markov trading rules based on Dueker and Neely ( Journal of Banking and Finance , 2007) we find that using econometric methodology is able to forecast accurately exchange rate movements. When applied to the Euro|US dollar and the euro|British pound daily returns data, the model provides exceptional out-of-sample returns. However, when applied to the euro|Brazilian real and the euro|Mexican peso, the model loses power. Higher volatility exercised in the Latin American currencies seems to be a critical factor for this failure. Copyright © 2009 John Wiley & Sons, Ltd.
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Bibliographic InfoArticle provided by John Wiley & Sons, Ltd. in its journal Journal of Forecasting.
Volume (Year): 28 (2009)
Issue (Month): 8 ()
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Web page: http://www3.interscience.wiley.com/cgi-bin/jhome/2966
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