We introduce a methodology for dynamic modelling and forecasting of realized covariance matrices based on generalization of the heterogeneous autoregressive model (HAR) for realized volatility. Multivariate extensions of popular HAR framework leave substantial information unmodeled in residuals....

What are the cross-sectional and time-series characteristics of corporate bond returns? Do corporate bond risk premia vary over time and are these time-variations predictable? And if yes, is it a sign of market inefficiency? Recent empirical studies show a strong mean reversion at the monthly...