The Impact of Voluntary Disclosure of Intellectual Capital on the Stock Return in Listed Companies of Tehran Stock Exchange

In this Study, the effect of voluntary disclosure of Intellectual capital information on the stock return of the listed companies in Tehran Stock Exchange will be discussed. A dummy variable was defined and the required items for intellectual disclosure were designed. By referring to the financial statements and reports of the board of directors wanted data for companies were collected.  Data analysis included multiple regressions using panel data and fixed effects. Methodology: Then, by assessing the items in the board directors’ report, number 1 was assigned to the items evident and zero to those forgone. In the end, a score for each company was determined to expose the intellectual capital disclosure. 137 companies were selected by systematic samplings for a period of 5 years (2010-2014) and appropriate statistical tests were applied. Results: The results showed that voluntary disclosure of intellectual capital has a positive and significant impact on the stock return of those companies. This result is in compliance with the past finding. Conclusion: in this study, the positive effect of these intangible assets on the return on equity was observed. Based on the results, the professional accounting bodies are recommended to develop standards and mechanisms for continuous disclosure in the notes to the financial statements disclose information.