Corporate social responsibility and stock price bubble in listed companies in Tehran Stock Exchange

The main target of this research is the investigating of relationship between of social responsibility and forces with a bubble that is created in Stock Exchange of Tehran for a symbol Transactions (for clarifying the information from the managers). At first all the information are determined with the unit root of P/E, Elongation, sequence and Skew tests in Stock Exchange of Tehran for 158 companies that they had the bubble in 1389 to 1392. Therefore with getting the bubble tests, all the companies in 1389 to 1392 had the alternations in Exchange and they divined in two parts, with the bubble and without bubble. Variable transparency, Financial Leverage, Speed liquidity, the rate of official value and Equity Market, the rate P/E and the companies were used for predicting the bubble. Therefore with using of Logistic regression, a model was designed for the bubble prediction. The research results show that the increase of Variable transparency, Float shares Financial Leverage, Speed liquidity, the rate of official value and Equity Market, the rate P/E and the companies are the reasons in the decrease of bubble. Generally, these results support this Hypothesis that there is a negative and rational relationship between the transparency and bubble.