specifications of high-dimensional trading processes. It turns out that common shocks affect the return volatility and the trading …

In this paper, we study the dynamic interdependencies between high-frequency volatility, liquidity demand as well as …. Liquidity is causal for future volatility but not vice versa. Furthermore, trade sizes are negatively driven by past trading … ; volatility ; liquidity ; high-frequency data …

trends in unconditional firm level and aggregated output volatility in Germany are similar. There has been a long … Moderationʺ can be found in firm level data as well remains disputed. We study the evolution of firm level output volatility using …-run downward trend, which was interrupted by the unification period. Second, the conditional, idiosyncratic firm level volatility …

We compared forecasts of stock market volatility based on real-time and revised macroeconomic data. To this end, we … used a new dataset on monthly real-time macroeconomic variables for Germany. The dataset covers the period 1994-2005. We … used a statistical, a utility-based, and an options-based criterion to evaluate volatility forecasts. Our main result is …

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 …