Study Heukamp & Arino (2011): study ZZ World samples 1981

Public

18+ aged general public, 64 countries, 1981-2004

Sample

Respondents

N = 114281

Non Response

Assessment

Interview: face-to-face

Correlate

Authors's Label

Relative income

Our Classification

Distribution

Relative income: range 0.1-1, M= 0.48, SD= 0.25
Relative income 2: range 0.01-1, M= 0.29, SD= 0.26

Operationalization

The relative income position of the participants (based on a self-reported deciles scale) in their respective society.

The same variable is also included raised to the power two to capture a possible nonlinear relationschip.

Observed Relation with Happiness