Oswald, Andrew J. (contributor); Proto, Eugenio (contributor) - 2008
USA. Journal of Public Economics 88, 1359-1386.
Boehm, J.K., Lyubomirsky, S. 2008. Does happiness promote career success …. Princeton, USA.
Frey, B.S., Stutzer, A. 2006. Does marriage make people happy, or do happy people
get married? Journal of …