Media playback is unsupported on your device

Can Hollywood give US economy a happy ending?

31 July 2013 Last updated at 11:45 BST

Historic changes are being made to the way United States growth is measured.

The question of how to encapsulate a country's economic health - or GDP - in a single figure presents many challenges.

Now experts believe a new calculation, including film and television output, will give a better idea of the progress of the world's largest economy - as Michelle Fleury reports from New York.

Copyright © 2015 BBC. The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.