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An Empirical Test of Purchasing Power Parity in Selected African Countries - a Panel Data Approach

Author

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  • Mkenda, Beatrice Kalinda

    (Department of Economics, School of Economics and Commercial Law, Göteborg University)

Abstract

The paper tests whether the theory of Purchasing Power Parity holds in a selected sample of twenty African countries. The paper employs a panel unit root test to test whether the real exchange rates in the panel are mean reverting or not. The test employed is the Im et al (1997) test. Results show that the null of a unit root is rejected for the three real exchange rate indices, namely, the import-based and trade-weighted multilateral indices, and the bilateral indices, while for the export-based indices, the null hypothesis is not rejected. That is, Purchasing Power Parity is confirmed for the import-based and trade-weighted multilateral indices, and the bilateral indices, while it is rejected for the export-based multilateral indices. After performing the demeaning adjustment to account for cross-sectional dependence, our results show that the null hypothesis of a unit root is rejected for the import-based multilateral indices and the bilateral indices, while the null is not rejected for the trade-weighted multilateral indices. Purchasing Power Parity is therefore only confirmed for the import-based multilateral indices and bilateral indices, while it is rejected for the trade-weighted multilateral indices.

Suggested Citation

  • Mkenda, Beatrice Kalinda, 2001. "An Empirical Test of Purchasing Power Parity in Selected African Countries - a Panel Data Approach," Working Papers in Economics 39, University of Gothenburg, Department of Economics.
  • Handle: RePEc:hhs:gunwpe:0039
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    References listed on IDEAS

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    Citations

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    Cited by:

    1. K. Hassanain, 2004. "Purchasing Power Parity And Cross-Sectional Dependency," South African Journal of Economics, Economic Society of South Africa, vol. 72(2), pages 238-257, June.
    2. Georgios Loukopoulos & Dimitrios Antonopoulos, 2015. "Purchasing Power Parity: A Unit Root, Cointegration and VAR Analysis in Emerging and Advanced Countries," Business and Economic Research, Macrothink Institute, vol. 5(1), pages 262-279, June.

    More about this item

    Keywords

    Purchasing Power Parity; Real Exchange Rate; Africa; Panel Data;

    JEL classification:

    • C33 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Models with Panel Data; Spatio-temporal Models
    • F43 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Economic Growth of Open Economies
    • O55 - Economic Development, Innovation, Technological Change, and Growth - - Economywide Country Studies - - - Africa

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