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Nonlinear PPP Deviations: A Monte Carlo Investigation of Their Unconditional Half-Life

  • Ming Chien Lo
Published/Copyright: December 16, 2008

Recent research has generated support of the notion that the real exchange rate adjustment is nonlinear and that the PPP half-life is faster than the puzzling 3 to 5 years based on linear models. While different nonlinear models survive the specification tests against linear ones, there is little consensus on which specific threshold-type model outperforms the others in the family. In this paper, a Monte Carlo study is designed to address the issue and the findings support that the MR-LSTAR process is the most likely suspect that generates the puzzle.

Published Online: 2008-12-16

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