Bertelsen, Kristoffer Pons; Borup, Daniel; Jakobsen, … - 2021
The relationship between the level of stock market volatility and public information flow is non-linear, resembling a … bell-shaped function. Medium levels of information flow generate heightened volatility, whereas weak and strong information … realized GARCH model with time-varying intercept, measuring changes in the overall volatility level, which is governed by a new …