1. Work and leisure in the U.S. and Europe: why so different?;Alesina,2005
2. Causes and correlates of happiness;Argyle,1999
3. Hours of work and gender identity: does part-time work make the family happier?;Booth,2005
4. The pattern of human concern;Cantril,1965
5. Beyond money: Toward an economy of well-being;Diener;Psychological Science in the Public Interest,2004