This paper estimates models of high frequency index futures returns using 'around the clock' 5-minute returns that incorporate the following key features: multiple persistent stochastic volatility factors, jumps in prices and volatilities, seasonal components capturing time of the day patterns,...

This paper examines an issue overlooked in the finance and economics literature: time variation in announcement volatility or event risk. We combine long spans of high-frequency data with a flexible parametric model of returns, which al- lows to identify announcement returns, capture intraday...

Based on a panel of 53 advanced and emerging countries, we evaluate the contribution of both terms of trade level and volatility shocks in explaining business cycle fluctuations. By estimating with an SVAR-SV model with the stochastic volatility built in the mean equation, we find the level...