Study Veenhoven (2001): study ZZ 1990
- Public
- Adults, general public, 41 nations, 1990
- Sample
- Respondents
- N = 50000
- Non Response
- Assessment
- Interview: face-to-face
Correlate
- Authors's Label
- Real income per capita
- Our Classification
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- Remarks
- Source: Human Development Report
- Operationalization
- Purchasing power parities