Chow, Sheung-Chi, Rangan Gupta, Tahir Suleman, and Wing-Keung Wong. “Long-Run Movement and Predictability of Bond Spread for BRICS and PIIGS: The Role of Economic, Financial and Political Risks#”. Journal of Reviews on Global Economics 8 (February 19, 2019): 239–257. Accessed July 22, 2024. https://lifescienceglobal.com/pms/index.php/jrge/article/view/5864.