Analisis pengaruh perubahan tarif PPh Badan UU No.36 Tahun 2008 terhadap nilai EVA, ROI, dan EPS serta faktor penentu tarif pajak efektif pada perusahaan yang terdaftar dalam industri manufaktur periode 2007-2011 = Analysis of effect of corporate tax rates amandements act No.36 of 2008 againts EVA, ROI and EPS with determinant factors of effective tax rates in company registered in manufacture industry for periode 2007-2011.