Testing for Stationarity Using Covariates: An Application to Purchasing Power Parity
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Authors
Amara, Jomana
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Date of Issue
2009
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Monterey, CA; Naval Postgraduate School
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Abstract
We examine the evidence for Purchasing Power Parity using post Bretton Woods exchange rate data for twenty industrialized countries. The two tests we use are covariate tests for stationarity where the null hypothesis of stationarity is tested against the unit root alternative. These tests are generalizations of existing univariate stationarity tests and improve the power of univariate tests by utilizing information contained in related stationary covariates. We conclude that PPP holds for 17 out of the 20 countries tested.
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Working Paper
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DRMI Working Paper Series
The series is intended to convey the preliminary results of [DRMI] ongoing research. The research described in these papers is preliminary and has not completed the usual review process for Institute publications. We welcome feedback from readers and encourage you to convey your comments and criticisms directly to the authors.
The series is intended to convey the preliminary results of [DRMI] ongoing research. The research described in these papers is preliminary and has not completed the usual review process for Institute publications. We welcome feedback from readers and encourage you to convey your comments and criticisms directly to the authors.
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Business & Public Policy (GSBPP)
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Defense Resources Management Institute
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This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.