Robert Shiller, one of three American scientists who won the 2013 economics Nobel prize, poses at his home in New Haven, Connecticut October 14, 2013. Shiller, along with Eugene Fama and Lars Peter Hansen, won the 2013 economics Nobel prize on Monday for research that has improved the forecasting of asset prices in the long term and helped the emergence of index funds in stock markets, the award-giving body said. REUTERS/Michelle McLoughlin (UNITED STATES - Tags: BUSINESS SOCIETY SCIENCE TECHNOLOGY)