Findings on Happiness and subject: Standard of living in the nation)

Correlate as named by investigatorPeople investigated
FindingRich countries ( vs poor)15+ aged, general public, 121 nations, 2005-2006
FindingInvestment price level18+ aged, general public, 55 nations, 1981-2004
FindingSelf-rated standard of living: high20-69 aged, general public, China, 2006