volatility as well as the U.S. economy. We find that - even after accounting for these factors - oil price uncertainty still has … confirms these results. Finally, significant spillover effects in the GARCH model suggest that oil price volatility is a gauge …

volatility of carbon emissions, it is not surprising that crude oil and coal have recently become a very important research topic … causality and volatility spillovers in spot and futures prices of carbon emissions, crude oil, and coal. A likelihood ratio test … is developed to test the multivariate conditional volatility Diagonal BEKK model, which has valid regularity conditions …