Effect of Corporate Governance Mechanisms on the Companie's Performance of Initial Public Offering in Tehran Stock Exchange

Diffusion of corporate governance mechanisms leads to stabilize the financial markets, and economic growth and helps to companies to have a proper implementation of corporate governance in competition. Because proper implementation these mechanisms express of necessary motivation for managers to arrive to determinate goods, corporate proper value and also stockholders efficiency supervision, this approach leads to trust creation in investors. That this make success initial public offering stocks in corporate specially governmental corporate. of company in addition to the way of supervision on the efficiency of stockholders. In this research examining influence of above mechanisms on corporate value as a one of dimension of turn over in124 governmental and nongovernmental corporate that they have been initial offering in 2003-2013 time series in the Tehran stock exchange. research results indicate that opposite to the discussed theories, there is no significant relation between principle of corporate sovereignty including the establishing an audit committee, breakdown the role of managing director from chairman of the board direct and the size of managing board with the value (performance) of initial offering company. It seems Tehran stock exchange space is not that, the competition in the environment of competition enough and mainly audit committee’s structure have problems and managers have dominance on they and authorities that exist in charter of the audit committees are action unenforceable.