PENGARUH CORPORATE GOVERNANCE INVESTMENT OPPORTUNITY SET TERHADAP KUALITAS LABA DAN NILAI PERUSAHAAN

The purpose of this research is to find out empirical evidence on the influence of corporate governance mechanism (audit Committee, independent board, institutional
ownership and managerial ownership), Invesment Opportunity Set (IOS), toward earnings quality and firm value. The companies chosen as sample of this resesarch are
non financial companies which are listed in Indonesian Stock Exchange during period 2001 up to 2006. Reseracher used 51 companies as samples with 265 observations using
purposive random sampling. This research used ordinary least square regression to test the hypothesis which is developed. The result of this research showed that Audit Committe and institutional ownership have significant influence to earning quality (Earnings Response Coefficient)
but do not have significant influence to firm value. Managerial ownership has significant influence to earnings and firms value. Invesment Opportunity Set does not have
significant influence to earnings quality but has significant influence to firm value. This research also found that Earnings Response Coefficient does not have influence to firm value.