Chris Giles, economics editor, finds a mood of optimism among economic experts on the first day of the World Economic Forum in Davos, but concerns remain over the strength of the recovery.<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
