The purpose of this study was to determine the effect of financial performance and dividend policy on Cumulative Abnormal Return for company shares in Jakarta Islamic Index. The population was all company stocks listed on The Jakarta Islamic Index from 2009 to 2018. The samples were selected by purposive sampling with the criteria the companies were consistently included in JII (not delisted and relisted) during the 2009-2018 period and those that met the criteria were five companies. Financial performance was proxies by Earning per Share, Price Earnings Ratio, Current Ratio, and Return on Equity. Meanwhile, dividend policy was proxies by the Dividend Payout Ratio. This research type was quantitative by using the panel data regression method. The results showed that Earning per Share effect on Cumulative Abnormal Return, while the Price Earnings Ratio, Current Ratio, Return On Equity and Dividend Payout Ratio variables had no effect on Cumulative Abnormal Return. The implications of this research for other parties consists of scientific development, especially in the field of financial management, and can be an input for investors in investing in shares on the Indonesia Stock Exchange (IDX) so that it can have a positive impact in the form of dividends or capital gains to investors. And can be used as a reference for further researchers by adding other variables that are not included in this study.

The purpose of this study was to determine the effect of inflation, the BI 7 Day Repo Rate, and the exchange rate on the murabahah financing margin partially and simultaneously for Islamic banking in Indonesia for the 2016-2020 period. The method used is quantitative research with a descriptive approach. The sampling technique used purposive sampling with a total sample of 2 research samples. The results show that partially the inflation and exchange rate variables have a significant negative effect on the murabahah financing margin, while the BI 7 day repo rate variable has no effect on the murabahah financing margin in Islamic banking in Indonesia. Simultaneously, the results of the research show that inflation variables, BI 7 Day Repo Rate, and exchange rates have a significant effect on the margin of murabahah financing.

Profitabilitas merupakan faktor utama dalam pengelolaan zakat untuk meningkatkanya. Zakat perusahaan bagi bank syariah merupakan kewajiban dalam setiap pengelolaan keuangan. Mengingat zakat merupakan salah satu rukun Islam yang wajib dipenuhi. Penelitian ini menggunakan metode kuantitatif dengan pendekatan explanatory research dengan perhitungan profitabilitas perusahaan meliputi return on asset (ROA), gross profit margin (GPM), net profit margin (NPM), Biaya operasional pendapatan operasional (BOPO). Hasil pada penelitian ini menyatakan ROA tidak berpengaruh signifikan terhadap pengeluaran zakat namun GPM dan NPM berpengaruh secara signifikan terhadap pengeluaran zakat, sedangkan BOPO tidak berpengaruh secara signifikan. Namun secara parsial BOPO memiliki pengaruh yang signifikan terhadap pengeluaran zakat di seluruh bank syariah di Asia Tenggara.

The study aims to determine the efficiency level of Islamic Commercial Banks in Indonesia and Malaysia, as well as the effect of Return on Assets (ROA), Bank size and Non-Performing Financing (NPF) on the efficiency of Islamic Commercial Banks in Indonesia and Malaysia for the 2015-2020 period by using Tobit regression test. The type of research carried out is quantitative research with a descriptive approach. Purposive sampling is a sampling method used in this study with a sample of 5 Islamic Commercial Banks in Indonesia and Malaysia. The results of the study indicate that all Islamic Commercial Banks in Indonesia during the study period were efficient as a whole in the research sample as many as 3 Islamic Commercial Banks, while the National Khazanah Bank of Malaysia, there were Islamic banks that were still not efficient as many as one Islamic bank and one other bank the results were efficient. The results of the Tobit regression test state that the ROA and NPF variables have a significant effect on efficiency. In contrast, Bank size has no significant effect on efficiency.