This study seeks evidence supporting the existence of market efficiency and exchange rate sensitivity on stock prices in the Johannesburg stock exchange (JSE). The sample includes the daily price indices of all securities listed on the JSE, and the exchange rate of the USD/Rand for the period...

The aim of this paper is to analyze the relationship between different types of uncertainty and stock returns of the renewable energy and the oil & gas sectors. We use the quantile regression approach developed by Koenker and d’Orey (1987; 1994) to assess which uncertainties are the potential...

This paper examines the impact of COVID-19 pandemic on oil prices, CO2 emissions and stock market volatility over the period January 22, 2020 – March 30, 2020 using an unrestricted VAR. We demonstrate that although the increasing number of COVID-19 infections causeda decrease in the price of...