Analysis of financial contagion in influential African stock markets

Oluwatosin Mary Aderajo () and Oladotun Daniel Olaniran ()
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Oluwatosin Mary Aderajo: Osun State University
Oladotun Daniel Olaniran: Obafemi Awolowo University

Future Business Journal, 2021, vol. 7, issue 1, 1-9

Abstract: Abstract Drawing from the experience of the global financial crisis that sprang forth from the US stock market, an empirical assessment of the dynamic correlation analysis of financial contagion with evidence from (5) African countries (South African, Nigeria, Egypt, Kenya, Tunisia) is presented. Monthly stock prices indices from 2004 to 2018 was analyzed using the dynamic conditional correlation multivariate GARCH model to ascertain the contagious effect of the US to the selected African markets. By analyzing the correlation coefficient series, three phases of the crisis periods were identified {pre-crisis (2004–2007); crisis (2007–2009) and post-crisis (2009–2018), respectively}. The study revealed that a significant relationship exists between the returns of the US market and the African markets. The inspection of the pre-crisis, crisis, post-crisis mean and variance estimation shows that the crisis period is characterized by substantial increases in volatility, establishing that the shock experienced in the US posed a threat to the African markets being examined. Further, evidence revealed that in the crisis period, an increase in correlation (contagion) existed, while a continued correlation (herding) existed in the post-crisis period.

Keywords: Financial contagion; Herding; GARCH; Correlation; Global financial crisis; Stock market (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (3)

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DOI: 10.1186/s43093-021-00054-z

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