Foreign exchange market return spillovers and connectedness among African countries

Robert Owusu Boakye, Lord Kwaku Mensah, Sang Hoon Kang and Kofi Acheampong Osei

International Review of Financial Analysis, 2023, vol. 86, issue C

Abstract: This paper examines the foreign exchange return shock spillovers and network connectedness among African countries during crisis periods using (Diebold & Yilmaz, 2012; 2014; 2016) which is based on generalized VAR and network theory between June 2004 and June 2021. Overall, the study found a low system-wide spillover connectedness among African foreign exchange markets. However, the total systemic spillover index increased during the eurozone sovereign debt crisis followed by global financial crisis, indicating evidence of contagion effects. This offers good diversification opportunities in the African currency market during crisis periods. The study also found no significant evidence of spillover effects among African currencies. Nonetheless, the network connectedness analysis found a positive significant pairwise return spillovers from the South African rand, Moroccan dirham and the CFA francs to Botswana pula, and from Moroccan dirham to CFA francs and South African rand. Furthermore, the study found South African rand, Moroccan dirham and CFA francs as the most significant net-transmitter of return shocks to other currencies whiles the Kenyan shilling and Botswana pula are the net-receivers of return shocks from other currencies. These results have implications for African central banks interventions in stabilizing their exchange rates to facilitate intra and inter-African trade and for international portfolio investors in managing their foreign exchange risk exposures.

Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:eee:finana:v:86:y:2023:i:c:s1057521923000212

DOI: 10.1016/j.irfa.2023.102505

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