Long memory and volatility dynamics in the US dollar exchange rate

Caporale, Guglielmo Maria and Gil-Alana, Luis A. (2010) Long memory and volatility dynamics in the US dollar exchange rate. Centre for International Capital Markets discussion papers, 2010 (03). pp. 1-38. ISSN 1749-3412

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Abstract

This paper focuses on nominal exchange rates, specifically the US dollar rate vis-à-vis the Euro and the Japanese Yen at a daily frequency. We model both absolute values of returns and squared returns using long-memory techniques, being particularly interested in volatility modelling and forecasting given their importance for FOREX dealers. Compared with previous studies using a standard fractional integration framework such as Granger and Ding (1996), we estimate a more general model which allows for dependence not only at the zero but also at other frequencies. The results show differences in the behaviour of the two series: a long-memory cyclical model and a standard I(d) model seem to be the most appropriate for the US dollar rate vis-à-vis the Euro and the Japanese Yen respectively.

Item Type: Article
Uncontrolled Keywords: Centre for International Capital Markets discussion papers; CICM discussion papers; fractional integration; long memory; exchange rates; volatility
Subjects: 300 Social sciences > 330 Economics
Department: Guildhall School of Business and Law
Depositing User: Mary Burslem
Date Deposited: 20 Apr 2015 09:31
Last Modified: 20 Apr 2015 09:32
URI: http://repository.londonmet.ac.uk/id/eprint/412

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