Evaluating the Impacts of Social Trust and Managers' Overself-confidence on Investment Efficiency

Department of Financial Management, Arak Branch, Islamic Azad University, Arak, Iran

Department of Accounting, Arak Branch, Islamic Azad University, Arak, Iran

Department of Accounting, Arak Branch, Islamic Azad University, Arak, Iran

Department of Economics , Arak Branch, Islamic Azad University, Arak, Iran.