Cointegration, dynamic structure, and the validity of purchasing power parity in African countries
The purpose of this paper is to test the validity of the purchasing power parity (PPP) in Africa in the context of a multivariate error-correction model. This approach allows for the consideration of long-run elasticities as well as the dynamics of the short-run adjustment of exchange rates to changes in domestic and foreign prices. Monthly data for fourteen African countries are used, and the period examined is 1973:4 through 2007:7 (i.e., 412 observations). Results from long-run cointegration analysis, short-run error correction models, persistence profile analysis and variance decomposition all confirm the validity of PPP in these moderate-to-high inflation countries, where estimates of half-life deviations from PPP are found to be outside the range suggested by Rogoff (1996).
Year of publication: |
2010
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Authors: | Arize, Augustine C. ; Malindretos, John ; Nam, Kiseok |
Published in: |
International Review of Economics & Finance. - Elsevier, ISSN 1059-0560. - Vol. 19.2010, 4, p. 755-768
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Publisher: |
Elsevier |
Keywords: | PPP Real exchange rate Econometric analysis |
Saved in:
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