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Correlational findings

Study Veenhoven (2005): study ZZ 1990

Public:
Adults, general public, 67 nations, 1990s
Sample:
Respondents:
N = 100000
Non Response:
Assessment:
Interview: face-to-face

Correlate

Authors's label
Purchasing power per head
Our Classification
Operationalization
'Real' GNP (actual buying power) per capita

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks Y-LH-l-sq-nt-100-a r = +.73 Happy life years by Purchasing power per head in 66 nations