This paper presents an investigation on the effects of various components of emotional intelligence including self-awareness, emotional management, sympathy, social skills and self- motivation on building brand equity in telecommunication industry. The proposed study of this paper uses two questionnaires, one for measuring emotional intelligence and the other for measuring brand equity. The study was performed among 384 people who had used telecommunication industry services in city of Tehran, Iran. Using Spearman correlation test, as well as structural equation modeling, the study has confirmed the positive effects of four emotional components, including self-awareness, emotional management, social skills and self-motivation influence on building brand equity in telecommunication industry.

This paper presents an investigation on the effects of various components of justice including distributive justice, interactional justice and procedural justice on building a mutual trust among customers in insurance firms. The proposed study of this paper uses a questionnaire originally developed by Daniels [Daniels, N. (1996). Justice and justification: Reflective equilibrium in theory and practice (Vol. 22). Cambridge: Cambridge University Press.] and designs a questionnaire for measuring trust. The study was performed among 384 people who had used insurance services in city of Tehran, Iran. Cronbach alphas for two questionnaires of justice and trust are 0.799 and 0.935, respectively, which are well above the minimum acceptable level. Using Spearman correlation test, the study has detected that two justice components, interactional justice and procedural justice, positively influence on customers’ trust, significantly.