Hautsch, Nikolaus; Hess, Dieter; Veredas, David - 2010 - This version: November 2010
reflect information-driven and noise-induced volatilities.We find that all volatility components reveal distinct dynamics and … significantly declines thereafter. Moreover, news-affected responses in all volatility components are influenced by order flow … imbalances. -- effcient return ; macroeconomic announcements ; microstructure noise ; informational volatility …
