The Influence of Corporate Governance Variables on the Cost of Equity Capital as GLS away

The influence corporate governance variables including: abnormal accruals, board independent directors and institutional investors ownerships ratio on the cost of equity capital have been examined. The examine of research hypothesis was done by multiple regression analysis by the use of general least squared (GLS) method, to the 65 selected companies accepted by Tehran Stock Exchange for the time period of 2004-2008 and by pannel data. The research- results indicate that among the corporate governance variables, abnormal accruals and board independent directors ratios have respectively positive and negative meaningful relationship with the cost of equity capital.