Study Veenhoven (2008b): study ZZ 1995
- Public
- Adults, general public, 98 nations, 2000s
- Sample
- Respondents
- N = 150000
- Non Response
- Assessment
- Interview: face-to-face
Correlate
- Authors's Label
- Purchasing power per head
- Our Classification
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-
- Operationalization
- Real GNP per capita