Findings on Happiness and subject: Investment price level in nation)

Correlate as named by investigatorPeople investigated
FindingInvestment price level14+ aged, 29 countries (EU member states and potential members), 1975-2011
FindingInvestment price level18+ aged, 79 countries, 1981-2007
FindingInvestment price level18+ aged, general public, 73 nations, 1997-2000
FindingPrice level for investment (PI)18+ aged, general public, 87 nations, 2006