► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />Resource nationalism isn't just the expropriation of major companies or industries, like YPF in Argentina - it also takes subtler forms. James Smither, associate director at risk consultancy Maplecroft, explains to Rob Minto how shifts in commodity prices can undermine a country's resource leverage and the more nuanced ways revenue can be retained within domestic borders.<br /><br />For more video content from the Financial Times visit http://www.FT.com/video
