The paper examines the performance of four multivariate volatility models, namely CCC, VARMA-GARCH, DCC and BEKK, for the crude oil spot and futures returns of two major benchmark international crude oil markets, Brent and WTI, to calculate optimal portfolio weights and optimal hedge ratios, and...

Introduction / Michael McAleer -- Assessment of risk ratings and risk returns for 120 representative countries / Michael McAleer -- Conditional volatility models for risk ratings and risk returns / Michael McAleer -- Univariate and multivariate estimates of symmetric and asymmetric conditional...

In this paper, we introduce a new Bayesian approach to explain some market anomalies during financial crises and subsequent recovery. We assume that the earnings shock of an asset follows a random walk model with and without drift to incorporate the impact of financial crises. We further assume...