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
-
-
- Remarks
- Source: Human Development Report
- Operationalization
- Purchasing power parities