TY - JOUR T1 - Multivariate Analysis of Energy Commodities during the COVID-19 Pandemic: Evidence from a Mixed-Frequency Approach JF - Risks Y1 - 2021 A1 - Mila Andreani A1 - Candila, Vincenzo A1 - Morelli, Giacomo A1 - Petrella, Lea VL - 9 UR - https://www.mdpi.com/2227-9091/9/8/144 ER -