Gonçalves da Silva, C. A. (2020). Impacts of Covid-19 Pandemic and Persistence of Volatility in the Returns of the Brazilian Stock Exchange: An Application of the Markov Regime Switching GARCH (MRS-GARCH) Model. International Journal of Applied Economics, Finance and Accounting, 8(2), 62–72. https://doi.org/10.33094/8.2017.2020.82.62.72