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

Remarks

Data: World Bank

Operationalization

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

Observed Relation with Happiness