To Survey the Relationship between Financial Reporting Quality & Investment Efficiency in Tehran Stock Exchange

In this study the Relationship between Financial Reporting Quality and Investment Efficiency in the 210 affiliated companies in Tehran Stock Exchange, between the years 2005 to 2009 has been examined. It is assumed that increasing the Quality of Financial Reporting can improve Investment Efficiency. But, there has been little empirical evidence to supporting this claim to date. In order to compare this claim a negative Relationship between Quality of Financial Reporting and Lack of Efficiency of Investment is found. Under investment and Overinvestment both are examples of the inefficiency of investment. The results show that a negative and significant relationship exists between the Quality of Financial Reporting and the Underinvestment. Also the Relationship between the Quality of Financial Reporting and Overinvestment is negative, but not significant.