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UN conference aims to add happiness to other economic indicators

2 April 2012 Last updated at 11:19 BST

Can a country's happiness really be measured? The tiny kingdom of Bhutan thinks so.

The country's Prime Minister, Jigme Y. Thinley, is to host a special UN summit in New York. On the agenda is how to create an economic system that takes into account happiness.

Russell Trott reports.