► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />Tim Lee of pi Economics explains to John Authers, the FT's senior investment columnist, how leverage - rather than improved productivity - is actually driving the record profits being reported by US companies.<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
