Currency Spillover Effects between the US Dollar and Some Major Currencies and Exchange Rate Forecasts Based on Neural Nets

David Allen, Petko Kalev, Shelton Peiris and Abhay K. Singh

Chapter 8 in Handbook of Global Financial Markets:Transformations, Dependence, and Risk Spillovers, 2019, pp 199-220 from World Scientific Publishing Co. Pte. Ltd.

Abstract: This chapter features an analysis of major currency exchange rate return spillover effects in relation to the US dollar, as constituted in US dollar terms. The Euro (EUR/USD), British Pound (GBP/USD), Chinese Yuan (CHY/USD), and Japanese Yen (JPY/USD) are modeled using the Diebold and Yilmaz (2009, 2012) spillover index metric. A rolling window of 200 days is used to capture spillover effects between the different currency pair relationships over the ten year sample of daily exchange rate returns data, from August 2005 to November 2016. We then use a neural network regression model to forecast exchange rate movements and evaluate the results on the basis of error metrics for a twenty per cent holdout sample forecast period. The spillover index analysis suggests that the greatest spillovers occur between the EUR/USD return series and the GBP/USD return series. The size and direction of spillovers changes across the sample period. This does not help for forecasting purposes, and the neural network regression models are relatively more successful in forecasting the CHY/USD relationship, possibly because of the managed nature of the Chinese currency.

Keywords: Market Integration; Risk Management; Risk Assessment; Financial Uncertainty; Volatility; Financial Markets; Financial Development; Country Risks; Sovereign Debt Markets (search for similar items in EconPapers)
JEL-codes: F37 (search for similar items in EconPapers)
Date: 2019
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