This research aims to test the mudharabah, musyarakah and income income margin financing murabaha towards profitability (ROA) on Islamic banking period 2011 – 2013 i.e. as many as 7 banking company by using multiple regression analysis.Research results with the test – t indicates that the mudharabah, musyarakah, and partially murabaha margin effect on return on assets (ROA). Mudharabah significantly had the effect on the return on assets (ROA). Murabaha partially no effect on return on assets (ROA). The results of this research by using the test-F showed that the income of mudharabah, musyarakah, and margin murabaha simultaneously together effect on return on assets (ROA). Adjusted results/R2 that the percentage of the contribution revenue mudharabah, musyarakah, and murabaha 9.5% 90.5% while the rest is affected by other variables not examined in this study.Keywords: income Mudharabah, Musyarakah, Murabaha, Margin and return on assets (ROA).
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