Impact the reliability of the firm s decision to invest and Information Disclosure firm based on the price model Return

Anvar Enaiati¹ Asgar Pakmaram²

1) Islamic Azad University Email:
2) Islamic Azad University(Ph.D.) Email:

IOI Code : XYCG-AEBCF
Publication : international conference of Management Elites(icme.ir)
Abstract :
    In this study, the effect of the reliability of corporate disclosure and notification of the decision to invest in companies listed in Tehran Stock Exchange during the period 1392-1389 has been. In this study of 175 companies listed in Tehran Stock Exchange during the period was determined. To test the hypothesis of regression analysis of pooled / EViews 6 has been used in the app In this study, to determine the capabilities and information Atka’afsha’ firms as the independent variable, based on information from firms reliability scores are used. The main variables to determine the decision to invest, including return on equity, earnings per share, the stock market value and book value is based on models and cost efficiency. The control variables, firm size, sales growth was used and the type of audit. Findings showed that the reliability of information science firms decide to invest on the model of price and efficiency, not effectiveness. Also, the type of auditor and book value on the stock market, and a significant and direct impact on the size of the company s stock market value, the effect is negative and significant.

Keywords : reliable disclosure of information the decision to invest and the price and model returns