FAKTOR-FAKTOR YANG MEMPENGARUHI PENAWARAN PEMBIAYAAN ISTISHNA� PADA PERBANKAN SYARIAH DI INDONESIA 2003Q1-2011Q1

Financing in Islamic banking consists of mudaraba, musharaka, murabaha, istishna', ijara and qardh which each such financing has concepts and basic principles of different contracts (Antonio, 2000). According to Islamic banking statistics issued by Bank Indonesia, the movement of the number of financing transactions in Islamic banking generally show a positive development, both of the financing with the principle of profit sharing and the buying and selling or leasing one. However, financing the contract istishna' did not have increased as well as financing with other types of contracts, with an average growth of the smallest in the amount of 0.03% per year. This study was conducted to estimate the variables that affect the financing istishna' on Islamic banking in Indonesia. The data that used were obtained from Islamic Banking Statistics report, published by Bank Indonesia in the period December 2003 to March 2011. The available data were analyzed by using econometric models with OLS method. The first conclusion, margin ratio proved to be significantly positive effect on the number of istishna' financing deals, refers to the theory of the law of supply that the price of a product has a positive effect on the supply of that product. Second, non-performing financing negatively affect the nominal amount of istishna' financing deals. Third, the rate of inflation significantly has negative effect on the nominal amount of istishna' financing deals. It is clear that if there was an increase of the inflation rate in Indonesia will be followed by a decrease in istishna' financing deal