The purpose of the present study is to investigate the relationship between intellectual capital (human capital efficiency, customer capital efficiency, and structural capital efficiency) and economic value added of the listed companies on the Tehran Stock Exchange (TSE). The population includes 39 firms selected through systematic sampling. The data is collected from the audited financial statements of the firms provided by TSE’s website from 2007 to 2010. The results of multiple linear regression analysis show that there is a significant relationship between financial performance of firms and intellectual value added, intellectual capital efficiency, relational capital efficiency, human capital efficiency, structural capital efficiency, and economic value added. However, the results of fuzzy regression analysis indicate significant relationships between the financial performance of firms and all the independent variables except structural capital efficiency and economic value added.

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