Grobys, Klaus2024-07-042024-07-0420211057-5219https://thuvienso.hoasen.edu.vn/handle/123456789/15410International Review of Financial Analysis, Vol. 78, 2021; P. 1-12 https://doi.org/10.1016/j.irfa.2021.101891en-USFinanceVariance of varianceWhat do we know about the second moment of financial marketsArticle