► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />As stock markets edge down at the beginning of a potentially historic week, John Authers reviews the lessons from Robert Shiller's measures of stock market value. They don't help with timing, but they do help with long-term valuation.<br /><br />► Authers’ Note: http://bit.ly/1Liu16x <br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br /><br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes
