Makoni, Tendai; Mushori, Providence; Chikobvu, Delson - In: Economies : open access journal 14 (2026) 3, pp. 1-19
The COVID-19 pandemic constitutes one of the most significant exogenous shocks to global financial markets in recent history, raising questions about the robustness of market efficiency under extreme uncertainty. This study examines whether the pandemic affected the weak-form efficiency of the...