Correlational findings

Study Rudolf (2014): study KR 1998

Married couples with children, followed 10 years before and after 5-day work policy, South Korea 1998-2008
Survey name:
KR-KLIPS combined waves
N = 50675
Non Response:
Interview: face-to-face


Authors's Label
Change work hours in nation
Our Classification
Like Japan, South Korea was reputed for excessive long working hours
Around 2004 working hours were gradually reduced 10%

Four different definitions of treatment was used for both sexes.
A: Regular working hours after reduction >44
B: Regular working hours after reduction >40

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks O-SLu-u-sq-v-5-e DM = + Before change M = 3.0
After change  M = 3.4
-differenc       +0.4
O-SLu-u-sq-v-5-e DM = + CHANGE AVERAGE happiness following REDUCTION of working hours

Figure shown a rising trend of happiness together with a downward trend in working hours
O-SLu-u-sq-v-5-e b-fix = +/- ns A                         CHANGE in happiness
                          Wives     Husbands
>4 hours reduction       -.18 (ns) -.03 (ns)
>8 hours reduction       +.20 (ns) -.25 (ns)

B                         CHANGE in happiness
                          Wives     Husbands
>4 hours reduction       +.05 (ns) +.04 (ns)
>8 hours reduction       +.36 (ns) -.14 (ns)

b-fix controled for
-House ownership
-Household composition
-Own occupation (not working)
-Partner's working hours
-Partner's occupation (not working)
-Time trend in nation in males and females
-Work place size
-Job satisfaction

the Five-Day Working Policy does not seem to have affected overall satisfaction with one’s life. No significant effects are found for working hours reductions on life satisfaction.