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Economic Policy Uncertainty and Stock Returns of Africa: A Wavelet Coherence Analysis

Author

Listed:
  • Emmanuel Asafo-Adjei
  • Daniel Agyapong
  • Samuel Kwaku Agyei
  • Siaw Frimpong
  • Reginald Djimatey
  • Anokye M. Adam

Abstract

This study explores how global economic policy uncertainty (EPU) shocks comove with stock returns (SR) of eight African countries—Botswana, Ghana, Kenya, Morocco, Namibia, Nigeria, South Africa, and Zambia. The study employed daily data from December 2010 to December 2019 using wavelet coherence analysis. The results showed that global EPU comoves with most of the SR of African markets and was concentrated in the longer term, especially during the period between 2011 and 2019, although not substantially. The findings indicate that short-term investments in African stocks are less susceptible to global economic policy uncertainty. It is recommended that foreign investors could hedge agaist policy uncertainties by investing in stock listed in African Stock exchanges while appropriate country-level policies are deployed to manage long-term effect of EPU.

Suggested Citation

  • Emmanuel Asafo-Adjei & Daniel Agyapong & Samuel Kwaku Agyei & Siaw Frimpong & Reginald Djimatey & Anokye M. Adam, 2020. "Economic Policy Uncertainty and Stock Returns of Africa: A Wavelet Coherence Analysis," Discrete Dynamics in Nature and Society, Hindawi, vol. 2020, pages 1-8, November.
    • Handle: RePEc:hin:jnddns:8846507
    DOI: 10.1155/2020/8846507
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    Cited by:

    1. Boateng, Ebenezer & Adam, Anokye M. & Junior, Peterson Owusu, 2021. "Modelling the heterogeneous relationship between the crude oil implied volatility index and African stocks in the coronavirus pandemic," Resources Policy, Elsevier, vol. 74(C).
    2. Boateng, Ebenezer & Asafo-Adjei, Emmanuel & Addison, Alex & Quaicoe, Serebour & Yusuf, Mawusi Ayisat & Abeka, Mac Junior & Adam, Anokye M., 2022. "Interconnectedness among commodities, the real sector of Ghana and external shocks," Resources Policy, Elsevier, vol. 75(C).
    3. Oluwatomisin J. Oyewole & Idowu A. Adubiagbe & Oluwasegun B. Adekoya, 2022. "Economic policy uncertainty and stock returns among OPEC members: evidence from feasible quasi-generalized least squares," Future Business Journal, Springer, vol. 8(1), pages 1-10, December.
    4. Woode, John Kingsley & Owusu Junior, Peterson & Adam, Anokye M., 2024. "Dynamic interdependence structure of industrial metals and the African stock market," Resources Policy, Elsevier, vol. 88(C).
    5. Huang, Shoujun & Gubareva, Mariya & Teplova, Tamara & Bossman, Ahmed, 2024. "African forex markets: Modeling their predictability and the asymmetric effects of oil and geopolitical risk," Energy Economics, Elsevier, vol. 136(C).

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