Quantile Connectedness Between African Stock Markets and Quadruple Policy Uncertainty: Regime-Dependent Spillovers Across Geopolitical, Oil, Energy, and Climate Risks
This study utilizes Quantile Vector Autoregression and R²-based connectedness models to demonstrate that seven major African stock markets are deeply integrated with global geopolitical, oil, energy, and climate policy uncertainties, revealing that these spillovers are asymmetric and regime-dependent, with geopolitical and oil risks acting as dominant shock transmitters while specific African markets like NSE, DSE, and CSE serve as net transmitters amidst varying market conditions.