A COMPARATIVE SURVEY OF PRINCIPLES OF CORPORATE GOVERNANCE IN IRANIAN STATE BANKS AND PRIVATE BANKS ADOPTED IN TEHRAN STOCK EXCHANGE

Corporate governance is defined as relation between manager delegation, manger, bane Shareholders and all beneficiaries. Lack of Corporate governance in banks can instable monetary system and impose systemized risks on economy. In this survey study comparative company govern principles in Iran private banks in Tehran stack exchange that measured company govern principles with variables like Stockholders number, ownership concentration, Information disclose score, Information voluntary disclose, Information disclose in internet network, number of manager delegation reported page, no administer managers number, the number of managers panel, minatory, Stockholders revision, Major stockholders supervisory, internal accounting, organizational moral, increase activities in clear markets. So we select a society include all Iranian public banks in Tehran stock exchange from 2009 to 2014. And they use systematic delete method for selected sample selection we use Mann–Whitney U test and Wilcoxon W sample T- test mean comparative test for study results accuracy and results of hypothesis test show there is meaningful difference between applying private principles of private and public banks