This paper proposes a novel approach to the combination of conditional covariancematrix forecasts based on the use of the Generalized Method of Moments (GMM). Itis shown how the procedure can be generalized to deal with large dimensional systemsby means of a two-step strategy. The finite sample...

This paper investigates the diversification prospects which may be reaped when investing in a mixture of emerging and developed market assets. Given that emerging markets are somewhat distinct from developed ones, one may expect significant diversification potential and therefore risk reduction....