Volatlity
2021
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        Mingmian Cheng, Norman Swanson, and Xiye Yang
        Journal of Empirical Finance, 62,46-61.
2020
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        Arpita Mukherjee, Weijia Peng, Norman Swanson, and Xiye Yang
        Handbook of Statistics, ed. by H. D. Vinod and C. Rao, Elsevier, vol. 41,23-59.