The purpose of the paper is to examine latent volatility Granger causality for four renewable energy Exchange Traded … coefficient autoregressive (VRCAR) process for the shocks of returns, we derive Latent Volatility Granger causality from the … Diagonal BEKK multivariate conditional volatility model. We follow Chang et al. (2015)'s definition of the co-volatility …

The purpose of this paper is to investigate the volatility spillovers between the returns on crude oil futures and oil … be quite low using the CCC model, while the VARMA-GARCH and VARMA-AGARCH models suggest no significant volatility …

The paper examines the performance of four multivariate volatility models, namely CCC, VARMA-GARCH, DCC and BEKK, for … the optimal portfolio weights of all multivariate volatility models for Brent suggest holding futures in larger … volatility model give the time-varying hedge ratios, and recommend to short in crude oil futures with a high proportion of one …