CIIC:Today's featured article/December15, 2011
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Revision as of 05:33, 13 December 2011 by imported>Ciic (Created page with 'thumb|200px|left|cartoon: why am I not happy? '''The Happiness Index''' was introduced by Paul A. Samuelson (1915-2009), the first American Nobel laureat...')
The Happiness Index was introduced by Paul A. Samuelson (1915-2009), the first American Nobel laureate in Economic Sciences. (More...)
