Structural Break, Nonlinearity, and Asymmetry: A re-examination of PPP proposition

Tolga Omay, Mübariz Hasanov and Furkan Emirmahmutoglu

MPRA Paper from University Library of Munich, Germany

Abstract: In this study, we propose a new unit root test procedure that allows for both gradual structural break and asymmetric nonlinear adjustment towards the equilibrium level. Small-sample properties of the new test are examined through Monte-Carlo simulations. The simulation results suggest that the new test has satisfactory size and power properties. We then apply this new test along with other unit root tests to examine stationarity properties of real exchange rate series of the sample countries. Our test rejects the null of unit root in more cases when compared to alternative tests. Overall, we find that the PPP proposition holds in majority of the European countries examined in this paper.

Keywords: Smooth Structural Break; Nonlinear Unit Root test; PPP (search for similar items in EconPapers)
JEL-codes: C12 C22 F41 (search for similar items in EconPapers)
Date: 2014-09-03
New Economics Papers: this item is included in nep-ecm, nep-ets and nep-opm
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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Related works:
Journal Article: Structural break, nonlinearity and asymmetry: a re-examination of PPP proposition (2018)
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Persistent link: https://EconPapers.repec.org/RePEc:pra:mprapa:62335

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