Study Veenhoven (1989b): study ZZ EU 9 1975

Public:

15+ aged, general public, EU 9 member states, Western Europe, 1975-1986

Sample:

Respondents:

N = 12996

Non Response:

Assessment:

Interview: face-to-face

Correlate

Authors's label

Change in GNP in %

Our Classification

Operationalization

Observed Relation with Happiness