RICHTER, Christian Rudolf, and Bachar FAKHRY. “Testing the Efficiency of the GIPS Sovereign Debt Markets Using an Asymmetrical Volatility Test”. Journal of Economics and Political Economy 3, no. 3 (September 18, 2016): 524–535. Accessed November 24, 2024. https://journals.econsciences.com/index.php/JEPE/article/view/977.