Examining economic stable effect on the financial leverage use rate in companies listed in Tehran stock exchange

In this study we try to examine the economic stable effect on the financial leverages use rate in the companies; hence the main issue in this study is to define the relation of financial leverage with the growth opportunities and official inflation expectation factors as the economic stable indexes. That is why 88 companies of the companies listed in Tehran stock exchange in 2005?2011. The study type is descriptive?correlative and the multivariable linear regression was used to analyze the data. The findings from the hypotheses test state there is a significant relation between financial leverage and growth opportunities while there is no relation between financial leverage and inflation expectation.