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Joint Variance-Ratio Tests of the Martingale Hypothesis for Exchange Rates

✍ Scribed by Wai Mun Fong, Seng Kee Koh and Sam Ouliaris


Book ID
124697449
Publisher
American Statistical Association
Year
1997
Tongue
English
Weight
438 KB
Volume
15
Category
Article
ISSN
0735-0015

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This paper tests the random walk hypothesis for the log-dierenced monthly US real exchange rates versus some major currencies. The tests we use are variance ratio test, Durlauf's (1991) spectral domain tests and Andrews and Ploberger's (1996) optimal tests. The variance ratio test is calculated by u