ISSN: 2222-6990
Open access
The purpose of this study is to investigate the impact of intellectual capital (IC), social capital
and psychological capital (PC) on competitive advantage of vehicle industries in Tehran Stock
Exchange (TSE). Considering the features of today world, increasing competitive advantage is
absolute challenge of firms because more emphasis on natural resources and relative
advantages may not lead to value creation. In this regard, firms should consider competitive
advantage and the factors of its creation. The research method of this study is correlation and
population consists of four vehicle companies of Bahman Group, Saypa, Irankhodro and
Tractorsazi. SPSS software and Pierson coefficient of correlation and multiple regressions are
used to test hypotheses. The results of the study show that there is not a significant
relationship between IC and competitive advantage. However, there is positive and weak
relationship between social capital and competitive advantage. In addition, our findings show
that PC explains 13 percent of competitive advantage.
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