Alvin Roth, professor of economics at Harvard
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Alvin Roth 'glad' to share Nobel Prize with Lloyd Shapley

15 October 2012 Last updated at 12:30 BST

Alvin Roth and Lloyd Shapley have won the 2012 Nobel Prize in economics.

The Nobel Foundation cited the US academics for their work on the "theory of stable allocations and practice of market design".

Speaking after the award was announced Mr Roth said he was glad to share it with Mr Shapley.