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The purpose of this research is to determine the composition of an efficient portfolio in the financing of ten Islamic banks. The theory of efficient portfolio by Markowitz is a modern portfolio theory used for analyzing the combination of various investment instruments to form efficient portfolio points at efficient frontier lines. The efficient composition portfolio measurement of Islamic bank in this study uses return, standard deviation, variance-covariance, correlation coefficient, and variation coefficient of investment instruments between 2011 and 2015. This study uses quantitative research achieved using Microsoft Excel. The result of this research shows that the average composition of an efficient portfolio of each Islamic bank is as follows: 48.62% for Mudharabah-Musyarakah, 41.63% for Murabahah, 8.03% for Ijarah, and 8.31% for Istishna. It can be seen that Mudharabah-Musyarakah and Murabahah are more dominant than the other financing types.

Background: Strengthening of economic added value in overcoming the problem of poverty in Sidoarjo Regency through the participation of community organizations, one of which is the Muhammadiyah organization through fostering micro-businesses. But apparently there are still problems faced by most members of micro entrepreneurs who are incorporated in the form of inadequate abilities from the aspect of insight and skills. Purpose : This activity aims to increase the capacity of these micro entrepreneurs through a training in the field of financial administration records and product marketing Method s : The method used contains active training, discussion, and practice by organizing workshops and training in financial administration and tax development, and also implementation of practic ing online marketing development training with the latest technology such as the use of e-commerce. Results: Micro entrepreneurs have gained insights and abilities in managing business financial administration, taxation for micro entrepreneurs and digital marketing. Conclusion: Partners can improve business competitiveness through increased skills related to the preparation of financial administration, micro business tax literacy and increased marketing through digital marketing.

Managerial ownership is an important element in reducing the agency conflict that occurs in a firm. The ownership can provide manager’s incentives to perform optimally in achieving the firm’s goal to improve firm value. Managers in each firm will adjust their ownership to respond firm value. That adjustment can create a changes in managerial ownership. This study aims to examine the relation between changes in managerial ownership to changes in firm value that used a non-financial firms from 2009-2011 as a sample. The results show that negative changes on managerial ownership have a negative and significant to changes in firm value, while positive changes on managerial ownership have a positive and not significant to changes in firm value. Keywords: Managerial ownership, changes in managerial ownership, and changes in firm value

This research aims to examine the relationship between market returns and trading volume as well as market returns and changes in trading volume on the JKSE from January 1st, 2008 to September 30th, 2013. This research used GARCH (1, 2) to examine the relationship. The researchers found that market returns and trading volume were significantly positive, as well as market returns and the change of trading volume. The results showed that past information, such as trading volume, could provide new information to the market in the future.

Islamic Rural Bank (BPRS) is one of the financial institutions which is profit oriented and has a lot of risks. Liquidity is one of the main risks in Islamic Rural Bank. Islamic Rural Bank should maintain the effective and efficient pf assets, liabilities, and policy assessment in order to have the optimum quality of liquidity risk management. The research aims to study assessment on asset side, liability side and liquidity management policies that reflect the quality of liquidity risk management on Islamic Rural Bank in Sidoarjo. The research method used is quantitative approach. The data was collected by questionnaire for liquidity management manager of BPRS Baktimakmur Indah, BPRS Annisa Mukti and BPRS Unawi Barokah. The results shows that BPRS Baktimakmur Indah has an excellent quality of liquidity risk management, while BPRS Annisa mukti and BPRS Unawi Barokah have a good quality of liquidity risk management.

This study aims to investigate the effect of social performance to the profitability of Islamic banks. The research method used is quantitative approach with multiple regression analysis. The data in this research have four variables: Mudharabah-Musyarakah Financing, Qardh Financing and Zakah as dependent variables and Net income as independent variable. The result shows that only zakah has significantly positive effects on the net income, but Mudharabah-Musyarakah and Qardh Financing have insignificant effects on the net income of Islamic commercial bank. On the other hand, Mudharabah-Musyarakah Financing, Qardh Financing and Zakah simultaneously have significant effects on the net income of Islamic commercial bank.

God encourages humans to walk on the Earth or travel (rihlah) in order to extend insights, to see the greatness and Majesty of God and to increase their Faith. This research aims to study how economic impacts of Sharia tourism in the Sunan Ampel Mosque Surabaya to the business activities surrounding that area. The economic impacts of tourism to a certain area consist on direct economic impact, indirect economic impact and induced impact.The research method used descriptive qualitative approach. The data collection was collected by interview and observation process. Informants in this study are people who involve in tourism activities of travellers, traders and labor who work in Sunan Ampel Mosque Surabaya. Analytical techniques are used to reduce, to present, to conclude and to verify the data.The result is the existence of religious tourisms of Sunan Ampel Mosque Surabaya gives the economic impact for the community around. Direct economic impacts increase the income of traders, by 44 percent. The indirect economic impact shown with labors’ wage of 8,2 percent and induced impact of labor expenses at tourist sites is used the most for food consumptions.