Economist weighs effectiveness of sanctions to deter Putin’s advance on Ukraine Washington – NATO’s sanctions against Russia include limiting the country’s banks’ access to SWIFT. But one economist believes banning oil exports is more powerful than sanctions. Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window) March 8, 2022