Information Voluntary Disclosure and Cost of Debt Case of Iran

ABSTRACT: :In this research we examine the relationship between information voluntary disclosure and cost of debt in the companies listed in Tehran Stock Exchange from 2001 to 2010. For measure the amount of information voluntary disclosure in annual reporting, a list of cases of voluntary disclosure provided with study cases which considered in consideration accounting standards and obligations and laws which are in reporting information. Also the financial expense of the firms has been used as a benchmark of the cost of debt and an index for using the long-term financial resources for financing. The correlation analysis on the 52 listed companies in Tehran Stock Exchange during a ten-year period is used in order to test a probable relationship between information voluntary disclosure and Cost of debt. The results from analysis of collected data indicate that there isnʹt any significant relationship between the amount of information voluntary disclosure and Cost of debt.