► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />Enrichetta Ravina, Columbia Business School assistant professor, tells the FT's John Authers that the rich are more disciplined in the way they diversify their investments, rebalance their stock portfolios and have access to asset categories that the less wealthy do not.<br /><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
