Bonato, Matteo; Caporin, Massimiliano; Ranaldo, Angelo - 2012 - Current Draft: November 2008
The increased availability of high-frequency data provides new tools for forecasting of variances and covariances between assets. However, recent realized (co)variance models may suffer from a 'curse of dimensionality' problem similar to that of multivariate GARCH specifications. As a result,...