Vitchanan Photography/Shutterstock The Ukraine war has sparked unprecedented levels of government intervention in oil markets, with major implications for the political economy.Sanctioned Russian, Venezuelan and Iranian volumes of crude now amount to 6 million barrels per day, making an already-murky physical market less transparent.While sanctioned crude might be cheap, the overall impact of sanctions and other interventions is seen as driving prices up longer term. Save for later Print Download Share LinkedIn Twitter The Issue