A nonparametric study of real exchange rate persistence over a century

Kim, Hyeongwoo; Ryu, Deockhyun
May 2015
International Review of Economics & Finance;May2015, Vol. 37, p406
Academic Journal
This paper estimates the degree of persistence of 16 long-horizon real exchange rates relative to the US dollar. We use nonparametric operational algorithms by El-Gamal and Ryu (2006) for general nonlinear models based on two statistical notions: the short memory in mean (SMM) and the short memory in distribution (SMD). We found substantially shorter maximum half-life (MHL) estimates than the counterpart from linear models. Our results are robust to the choice of bandwidth with a few exceptions.


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