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. -- efficient return ; macroeconomic announcements ; microstructure noise ; informational volatility …

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. -- Efficient Return ; Macroeconomic Announcements ; Microstructure Noise ; Informational Volatility …

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 …

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 …

trading. The volatility of yields of the four bonds more than doubled in the wake of the Russian devaluation on August 17th …

We study the relationship between foreign exchange trading activity and volatility on the USD/EUR foreign exchange … market on the basis of a unique data set around the events of 09/11/2001. We find that volatility and bid-ask spreads are by … far larger at that time, but the shock is not persistent. The positive correlation between volume and volatility does not …