Study Ball & Chernova (2008): study ZZ 1995

Public:

Adults, general public, 42 nations, 1995-1997

Sample:

Respondents:

N = 60000

Non Response:

Assessment:

Interview: face-to-face

Correlate

Authors's label

Income per capita

Our Classification

Operationalization

natural log of GDP per capita, local currency conversed in power parity dollars

Observed Relation with Happiness