Study Pouwels et al. (2008): study DE 1999
- Public
 - 18-65 aged, couples, neither unemployed nor disabled, Germany, 1999
 - Sample
 - Respondents
 - N = 2698
 - Non Response
 - n.a.
 - Assessment
 - Interview: face-to-face
 
Correlate
- Authors's Label
 - Own yearly net labour income
 - Our Classification
 - 
            
 - 
                        
 - Related specification variables
 - 
                
 - 
                            
 - Operationalization
 - Logarithm of own net yearly income
 
Observed Relation with Happiness
OPRC's controled for:
- income of partner
- product of own income and of partner
- age
- self rated health
OPRC's cannot be interpreted as an absolute effect size. Coefficients denote relative differences in association, eg. stronger among women than among men.