Using monthly frequency data from 1981 to 2005, we test for the potential mean reversion of Japan-US real exchange rates using newly improved unit root tests allowing for endogenous (unknown) break(s) in the linear as well as non-linear manner. Both countries have contributed vital proportion in global trading on top of being the major trading partner to each other since 1960s. We identify structural breaks in 1985 and 1994 respectively via the Lumsdaine and Papell (1997)’s linear test, but the results were against the PPP hypothesis. The Saikkonen and LÄutkepohl, (2002)’s test, however, provides sufficient supports for non-linear adjustment of real exchange towards long run PPP. In addition, stronger evidence for PPP is found in the post-1994 period, in conjunction with the small persistence of real exchange deviations (half-life less than a year). Also, the exchange rate misalignment is less evident after the Plaza Accord 1985. In brief, our findings reveal that the Japanese authority has shown some form of PPP-oriented rule as a basis for their exchange rate policies, in the presence of structural break(s) and non-linearity.
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Paper provided by University Library of Munich, Germany in its series MPRA Paper with number
3406.
Find related papers by JEL classification: C52 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Model Evaluation and Testing C12 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods: General - - - Hypothesis Testing N15 - Economic History - - Macroeconomics and Monetary Economics; Growth and Fluctuations - - - Asia including Middle East F31 - International Economics - - International Finance - - - Foreign Exchange
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