Monge, ManuelPoza, Carlos2025-12-182025-12-182025-12Monge, M & Poza, C 2025, 'Post-COVID dynamics of the refined-crude oil price spread in the us : Evidence from long memory and fractional cointegration models', Energy Nexus, vol. 20, 100560. https://doi.org/10.1016/j.nexus.2025.1005602772-4271https://hdl.handle.net/10641/6703Publisher Copyright: © 2025 The Author(s).103340795enghttp://creativecommons.org/licenses/by-nc-nd/4.0/Crude oilNatural gas priceRefined oilSpread refined-crude petroleumYesyesPost-COVID dynamics of the refined-crude oil price spread in the us : Evidence from long memory and fractional cointegration modelsjournal articleopen access10.1016/j.nexus.2025.100560https://www.scopus.com/pages/publications/105022205671https://www.scopus.com/pages/publications/105022205671#tab=citedBy