- Liu, J.; Veenhoven, R.
- Happiness of the Self-Employed. A Research Synthesis Using an On-Line Findings-Archive.
- Working Paper, 2018, Erasmus Happiness Economics Research Organization, Nr. 2018-12, Erasmus University Rotterdam, Netherlands
- English (Australia, Canada, UK, USA)
Eligible for inclusion in findings archive
- No, no new data on present happiness.