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Food prices and long-run purchasing power parity in Africa

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  • Joseph Kargbo

Abstract

The purchasing power parity (PPP) theory is a cornerstone of exchange rate models in international economics. PPP is very important for two main reasons: first, it can serve as a prediction model for exchange rates, and second, it can serve as a benchmark in judging the level of exchange rate movements. This article utilised the Johansen cointegration technique in examining whether or not there is empirical support for long-run PPP in Africa. Annual data were used for exchange rates and food price indices in 25 countries covering the 1958-97 period. The empirical evidence showed strong support for long-run PPP in Africa, thereby providing wider acceptance for the applicability of PPP in exchange rate and other macroeconomic adjustment policies.

Suggested Citation

  • Joseph Kargbo, 2003. "Food prices and long-run purchasing power parity in Africa," Development Southern Africa, Taylor & Francis Journals, vol. 20(3), pages 321-336.
  • Handle: RePEc:taf:deveza:v:20:y:2003:i:3:p:321-336
    DOI: 10.1080/0376835032000108158
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    References listed on IDEAS

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    1. Michel Galy & Michael T. Hadjimichael, 1997. "The CFA Franc Zone and the EMU," IMF Working Papers 97/156, International Monetary Fund.
    2. Davidson, Russell & MacKinnon, James G., 1993. "Estimation and Inference in Econometrics," OUP Catalogue, Oxford University Press, number 9780195060119.
    3. Jun Nagayasu, 1998. "Does the Long-Run Ppp Hypothesis Hold for Africa? Evidence From Panel Co-Integration Study," IMF Working Papers 98/123, International Monetary Fund.
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    Cited by:

    1. Jean-Francois Hoarau, 2010. "Does long-run purchasing power parity hold in Eastern and Southern African countries? Evidence from panel data stationary tests with multiple structural breaks," International Journal of Finance & Economics, John Wiley & Sons, Ltd., vol. 15(4), pages 307-315.
    2. Kargbo, Joseph M., 2003. "Cointegration Tests of Purchasing Power Parity in Africa," World Development, Elsevier, vol. 31(10), pages 1673-1685, October.
    3. Arize, Augustine C. & Malindretos, John & Nam, Kiseok, 2010. "Cointegration, dynamic structure, and the validity of purchasing power parity in African countries," International Review of Economics & Finance, Elsevier, vol. 19(4), pages 755-768, October.
    4. Njindan Iyke , Bernard & Odhiambo, Nicholas M., 2015. "A re-examination of long-run Purchasing Power Parity (PPP) hypothesis: the case of two Southern African countries," Working Papers 18980, University of South Africa, Department of Economics.
    5. repec:eei:journl:v:60:y:2017:i:2:p:14-38 is not listed on IDEAS
    6. Paul Alagidede & George Tweneboah & Anokye M. Adam, 2008. "Nominal Exchange Rates and Price Convergence in the West African Monetary Zone," International Journal of Business and Economics, College of Business and College of Finance, Feng Chia University, Taichung, Taiwan, vol. 7(3), pages 181-198, December.
    7. Phiri, Andrew, 2014. "Purchasing power parity (PPP) between South Africa and her main currency exchange partners: Evidence from asymmetric unit root tests and threshold co-integration analysis," MPRA Paper 53659, University Library of Munich, Germany.
    8. Andrew Phiri, 2017. "Nonlinear adjustment effects in the purchasing power parity," Journal of Economics and Econometrics, Economics and Econometrics Society, vol. 60(2), pages 14-38.

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