► Subscribe to FT.com here: http://on.ft.com/2eZZoLI<br /><br />Bond yields hit historic lows in 2016, and then started to rise strongly. John Authers suggests further rises would require a gradual end to the support to the market from central banks, and a rise in inflation expectations.<br /><br />► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<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