Are Southeast Asian Real Exchange Rates Mean
نویسنده
چکیده
Since the late nineties, both theoretical and empirical analysis devoted to the real exchange rate suggest that their dynamics might be well approximated by nonlinear models. This paper examines this possibility for post-1970 monthly ASEAN-5 data, extending the existing research in two directions. First, we use recently developed unit root tests which allow for more flexible nonlinear stationary models under the alternative than the commonly used Self-Exciting Threshold or Exponantial Smooth Transition AutoRegressions. Second, while different nonlinear models survive the mis-specification tests, a Monte Carlo experiment from generalized impulse response functions is used to compare their relative relevance. Our results i) support the nonlinear mean-reverting hypothesis, and hence the Purchasing Power Parity, in four out of ASEAN-5 core countries and ii) point to the Multiple Regime-Logistic Smooth Transition and the Exponantial Smooth Transition AutoRegressive models as the most likely data generating processes of these real exchange rates. ∗Helpful comments and suggestions from Seminar at Université de Cergy-Pontoise and ESSEC Business School. †Corresponding author: [email protected]
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