摘要:Corporate governance began to attract attention in some Asian countries areexperiencing an economic crisis in mid 1997. Many experts believe thatweaknesses in corporate governance is a source country of the worseningeconomy asia. The purpose of this study was to determine the effect theimplementation of corporate governance to financial performance as measuredby the variable Returnonequity (ROE), Net Profit Margin (NPM), and TobinsQ.This study uses the sample of companies that have registered as a publiccompany on the JSE (Bursa Efek Jakarta) and consistently entered into theCorporate Governance Perception Index (CGPI) 2001-2006. The data used is 10Ranking report score Corporate Governance Perception Index (CGPI) conductedby IICG, financial reports and year end closing stock price of PT AstraInternational, Tbk period 2001-2006. This is caused by a lack of maximalfunction of the companys website content and lack of disclosure of corporatebusiness risks and on the third hypothesis indicates that the lack of effect ofimplementation of corporate governance TobinsQ. This is caused by theIndonesia market response has not noticed the implementation of corporategovernance in the company or the application of corporate governance can notbe directly or short-term but need time and information about the application ofcorporate governance within a few years.