title: Long-running German panel survey shows that personal and economic choices, not just genes, matter for happiness.
authors.affiliation: Melbourne Institute, Melbourne University, Parkville, Victoria 3052, Australia. tdahl@fas.harvard.edu
authors.forename: Bruce
authors.initials: B
authors.lastname: Headey
authors.forename: Ruud
authors.initials: R
authors.lastname: Muffels
authors.forename: Gert G
authors.initials: GG
authors.lastname: Wagner