Yang Liu, D., Chun, M. C., & Su, Y. K. (2021). The impacts of Covid-19 pandemic on the smooth transition dynamics of stock market index volatilities for the Four Asian Tigers and Japan. International Journal of Research in Business and Social Science (2147- 4478), 10(4), 183–194. https://doi.org/10.20525/ijrbs.v10i4.1177