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Tests for symmetric and asymmetric nonlinear mean reversion in real exchange rates.

Sollis, R. and Leybourne, S. J. and Newbold, P. (2002) 'Tests for symmetric and asymmetric nonlinear mean reversion in real exchange rates.', Journal of money, credit and banking., 34 (3, Part 1). pp. 686-700.


New tests, based on smooth transition autoregressive models, for mean reversion in time series of real exchange rates are proposed. One test forces mean reversion to be symmetric about the integrated process central case, while the other permits asymmetry. The tests are applied to monthly series of seventeen real exchange rates against the U.S. dollar and fourteen against the deutsche mark. They reveal stronger evidence against the unit root null hypothesis than does the usual Dickey-Fuller test.

Item Type:Article
Keywords:Foreign exchange rates, Mathematical models.
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Record Created:21 Aug 2008
Last Modified:23 Aug 2011 10:00

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