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Why a diversified portfolio should include African assets


  • Alagidede, Paul
  • Panagiotidis, Theodore
  • Zhang, Xu


We employ parametric and non-parametric cointegration to investigate the extent of integration between African stock markets and the rest of the world. Long-run correlation estimates imply very low association between the two. The two distinct cointegration approaches confirm the latter through recursive estimation. The implication is that global market movements may have little impact on Africa. However, we argue that including African assets in a mean variance portfolio could be beneficial to international investors.

Suggested Citation

  • Alagidede, Paul & Panagiotidis, Theodore & Zhang, Xu, 2010. "Why a diversified portfolio should include African assets," Stirling Economics Discussion Papers 2010-15, University of Stirling, Division of Economics.
  • Handle: RePEc:stl:stledp:2010-15

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    References listed on IDEAS

    1. Portes, Richard & Rey, Helene, 2005. "The determinants of cross-border equity flows," Journal of International Economics, Elsevier, vol. 65(2), pages 269-296, March.
    2. Steven B. Kamin, 1999. "The current international financial crisis: how much is new?," International Finance Discussion Papers 636, Board of Governors of the Federal Reserve System (U.S.).
    3. Doornik, Jurgen A, 1998. " Approximations to the Asymptotic Distributions of Cointegration Tests," Journal of Economic Surveys, Wiley Blackwell, vol. 12(5), pages 573-593, December.
    4. Henrik Hansen & Søren Johansen, 1999. "Some tests for parameter constancy in cointegrated VAR-models," Econometrics Journal, Royal Economic Society, vol. 2(2), pages 306-333.
    5. Kim, E Han & Singal, Vijay, 2000. "Erratum [Stock Market Openings: Experience of Emerging Economies]," The Journal of Business, University of Chicago Press, vol. 73(4), October.
    6. Søren Johansen, 2007. "Correlation, regression, and cointegration of nonstationary economic time series," CREATES Research Papers 2007-35, Department of Economics and Business Economics, Aarhus University.
    7. Rene M. Stulz, 1999. "Globalization of Equity Markets and the Cost of Capital," NBER Working Papers 7021, National Bureau of Economic Research, Inc.
    8. Ajit Singh, 1999. "Should Africa promote stock market capitalism?," Journal of International Development, John Wiley & Sons, Ltd., vol. 11(3), pages 343-365.
    9. Johansen, Soren, 1995. "Likelihood-Based Inference in Cointegrated Vector Autoregressive Models," OUP Catalogue, Oxford University Press, number 9780198774501, June.
    10. Bekaert, Geert, 1995. "Market Integration and Investment Barriers in Emerging Equity Markets," World Bank Economic Review, World Bank Group, vol. 9(1), pages 75-107, January.
    11. Breitung, Jorg & Taylor, A. M. Robert, 2003. "Corrigendum to "Nonparametric tests for unit roots and cointegration" [J. Econom. 108 (2002) 343-363]," Journal of Econometrics, Elsevier, vol. 117(2), pages 401-404, December.
    12. Bracker, Kevin & Docking, Diane Scott & Koch, Paul D., 1999. "Economic determinants of evolution in international stock market integration," Journal of Empirical Finance, Elsevier, vol. 6(1), pages 1-27, January.
    13. Pedro H. Albuquerque, 2005. "Optimal Time Interval Selection in Long-Run Correlation Estimation," Econometrics 0511017, EconWPA, revised 27 Nov 2005.
    14. Kim, E Han & Singal, Vijay, 2000. "Stock Market Openings: Experience of Emerging Economies," The Journal of Business, University of Chicago Press, vol. 73(1), pages 25-66, January.
    15. Breitung, Jorg, 2002. "Nonparametric tests for unit roots and cointegration," Journal of Econometrics, Elsevier, vol. 108(2), pages 343-363, June.
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    Cited by:

    1. Mensah, Jones Odei & Alagidede, Paul, 2017. "How are Africa's emerging stock markets related to advanced markets? Evidence from copulas," Economic Modelling, Elsevier, vol. 60(C), pages 1-10.
    2. Asongu, Simplice A. & Koomson, Isaac & Tchamyou, Vanessa S., 2017. "Financial globalisation uncertainty/instability is good for financial development," Research in International Business and Finance, Elsevier, vol. 41(C), pages 280-291.
    3. Sugimoto, Kimiko & Matsuki, Takashi & Yoshida, Yushi, 2014. "The global financial crisis: An analysis of the spillover effects on African stock markets," Emerging Markets Review, Elsevier, vol. 21(C), pages 201-233.
    4. repec:eee:quaeco:v:65:y:2017:i:c:p:88-96 is not listed on IDEAS
    5. Kodongo, Odongo & Ojah, Kalu, 2014. "Conditional pricing of currency risk in Africa's equity markets," Emerging Markets Review, Elsevier, vol. 21(C), pages 133-155.

    More about this item


    Correlation; Long-run correlation; Cointegration; Non-parametric cointegration; African Stock Markets;

    JEL classification:

    • C22 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes
    • C52 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Model Evaluation, Validation, and Selection
    • G10 - Financial Economics - - General Financial Markets - - - General (includes Measurement and Data)

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