The Geopolitical Impact of Cheap Oil. Martin Feldstein, November 26, 2014, Opinion. "The price of oil has fallen more than 25% in the past five months, to less than $80 a barrel. If the price remains at this level, it will have important implications – some good, some bad – for many countries around the world. If it falls further, as seems likely, the geopolitical consequences on some oil-producing countries could be dramatic..." Link