Examining the effect of CEO ower confidence on banks risk taking using the Generalized Method of Moments(GMM)

The aim of this study is to investigate the effect of CEO Overconfidence on banks Risk Taking using the Generalized Method of Moments (GMM) of banks in Tehran Stock. These Three dimensions Corporate Risk Taking in our tests :( Total Risk, Idiosyncratic Risk and Systematic Risk). For this purpose one hypotheses are developed and data on the 16 Bank in Tehran Stock Exchange for the period of 1390 to 1397 were analyzed. This regression model using Generalized Method of Moments (GMM), reviews and tests. The results showed that CEO Overconfidence has significantly negative impact on Bank Risk Taking (Total Risk, Idiosyncratic Risk and Systematic Risk). Therefore, the research results indicate that the CEO Overconfidence reduces Corporate Risk Taking.