Kristoufek, Ladislav - In: Energy Economics 45 (2014) C, pp. 1-9
We propose a comprehensive treatment of the leverage effect, i.e. the relationship between returns and volatility of a … estimating the volatility process without assuming any specific form of its behavior, we find the volatility to be long … returns and volatility is detected as the long-term cross-correlated one. These findings can be further utilized to enhance …