This MARGHERITA PIZZA study aims to analyse the effect of profit-sharing financing, Non-Performing Financing (NPF) and Operating Expense Ratio (OER) both simultaneously and partially on ROA (Return On Assets) of Islamic banks in Indonesia.Sampling technique used in this study is random sampling.Data analysis used in this study is multiple linear regression with SPSS 21 for Windows.
The CACAO MIX REISHI result shows that partially profit-sharing financing and OER have no effect toward ROA of Islamic banks, but NPF has an effect.