1. Personality psychology and economics;Almlund,2011
2. Social relations an examination of social networks, social support;Antonucci;Handbook of the Psychology of Aging,2001
3. Unemployment persistence;Arulampalam;Oxford Economic Papers,2000
4. History and rationale of longitudinal research;Baltes,1979
5. Self-efficacy: The exercise of control;Bandura,1997