Domínguez-Gijón, Rosa María, Francisco Venegas-Martínez, and Alfredo Omar Palafox-Roca. 2018. “Short- and Long-Term Relations Among Prices of the Mexican Crude Oil Blend, West Texas Intermediate, and Brent: Market Trend and Risk Premia, 2005-2016”. International Journal of Energy Economics and Policy 8 (3):87-91. https://econjournals.com./index.php/ijeep/article/view/6464.