This page lists a couple of publications authored by Dr. Reuven Bar-On on the impact of EI on overall subjective well-being:
Bar-On, R. (2012). The impact of emotional intelligence on health and wellbeing. In A. Di Fabio (Ed.), Emotional intelligence: New perspectives and applications. Rijeka, Croatia: InTech, pp. 29-50.
Bar-On, R. (2005). The impact of emotional intelligence on subjective well-being. Perspectives in Education, 23 (2), 41-61.
Bar-On, R. (1988). The development of a concept of psychological well-being. Doctoral dissertation, Rhodes University, South Africa.