Return and volatility spillovers between South African and Nigerian equity markets

نویسندگان

چکیده

Purpose The paper evaluates the cross-transmission of returns and volatility shocks between Nigeria South Africa stock markets to infer extent interdependence two markets. also makes inference optimal portfolio weights holding assets in Design/methodology/approach uses an asymmetric vector autoregressive-exogenous generalised autoregressive conditional heteroscedasticity (VAR-X GARCH) model assess spillovers Africa. Findings results empirical analysis show evidence shock from African market Nigerian market. Moreover, based on dynamic Sharpe ratio weight optimisation, indicate possibility diversification when simultaneous positions Practical implications imply economic profit for investors who take lack synchronisation largest economies is contrast with situations other regions where large often co-move. Originality/value first use VAR-X GARCH

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ژورنال

عنوان ژورنال: African Journal of Economic and Management Studies

سال: 2022

ISSN: ['2040-0705', '2040-0713']

DOI: https://doi.org/10.1108/ajems-03-2021-0109