Investigating the Effect of Companie's Characteristics on Share Price Crash Risk(Companies listed in Tehran Stock Exchange)

This study is investigating the relationship between some companies’ characteristics, including assets returns, equity returns, company’s size, company’s leverage, market to book value of the company, Q Tobin and stock price crashes for the period of 2007 to 2013 (for the 7 years period). Hutton et. al (2009) model is used for measuring stock price crash. Results show that there is a negative and significant relationship between ROA, SIZE, MTB and Q Tobin but two other variables ROE and financial leverage have no significant relationship with stock price crash for the companies listed in Tehran Stock Exchange.