Before the financial crisis the interconnections between countries were growing. Ralph Atkins, capital markets editor, explains to John Authers the results of an FT study, which shows that capital retreated behind national borders during the crisis.<br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br />Subscribe to the Financial Times on YouTube; http://goo.gl/vUQx5k<br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes