Xu, Yahua, Alireza Tourani-Rad, and Tai-Yong Roh. “OIL VOLATILITY-OF-VOLATILITY AND TAIL RISK OF COMMODITIES”. Applied Finance Letters 13 (October 8, 2024): 223-236. Accessed November 22, 2024. https://ojs.aut.ac.nz/applied-finance-letters/article/view/809.