Assessing Market Efficiency And Volatility Of Exchange Rates in South Africa and United Kingdom: Analysis Using Hurst Exponent OlaOluwa S. Yaya, Lukman Saka, Olawale B. Akanbi The Journal of Developing Areas, Volume 53, Number 1, Winter 2019, pp. 127-145 (Article) Published by Tennessee State University College of Business DOI: For additional information about this article Access provided by St Francis Xavier Univesity (4 Sep 2018 15:32 GMT) https://doi.org/10.1353/jda.2019.0008 https://muse.jhu.edu/article/702368