TY - RPRT AU - Caporin, Massimiliano AU - McAleer, Michael PY - 2009 UR - https://hdl.handle.net/20.500.14352/49250 AB - Large and very large portfolios of financial assets are routine for many individuals and organizations. The two most widely used models of conditional covariances and correlations are BEKK and DCC. BEKK suffers from the archetypal "curse of... LA - spa A3 - Instituto Complutense de Análisis Económico. Universidad Complutense de Madrid KW - Conditional correlations KW - Conditional covariances KW - Diagonal models KW - Forecasting KW - Generalized models KW - Hadamard models KW - Scalar models KW - Targeting. TI - Do We Really Need Both BEKK and DCC? A Tale of Two Covariance Models TY - technical report VL - 2009 ER -