Study DiTella & MacCulloch (2008): study ZZ Western nations 1975
- Public
 - 15+ aged, general public, OECD Nations, 1975-1997
 - Survey name
 - EU-Eurobarometer combined waves
 - Sample
 - Respondents
 - N = 371149
 - Non Response
 - Assessment
 - Interview: face-to-face
 
Correlate
- Authors's Label
 - Employment state
 - Our Classification
 - 
            
 - 
                        
 - Operationalization
 - a)employed (reference)
b)unemployed
c)self-employed
d)retired
e)keeping home
f)in school 
Observed Relation with Happiness
Unemployed (vs. employed)
OPRC (-0.491)
OPRC (+0.031)
OPRC (+0.046)
OPRC (+0.014)
OPRC (+0.202)
OPRC's controlled for:
-National characteristics:
-GDP per capita
-GDP growth
-life expectancy
-Sox emissions
-hours worked
-crime rate
-divorce rate
-inflation rate
-unemployment rate
-openness
-unemployment benefits
-Personal characteristics:
-personal income position
-male
-age
-age squared
-education
-marital status
-size of community