Islamic banks: Profit sharing equity and credit control

This paper deals with three basic issues in islamic banking: first,how the profit sharing ratios in mudarabah contracts are in principle determined? second,do the actual sharing ratios result in an equitable division of profit between the banks on the one hand and the depositors on the other? finally,can the central bank use the profit sharing ratio along with the rate of interest for credit control so as to mitigate leverage lure in a dual banking system? the paper provides a brief explanation as answer to the first question. the response to the second is negative but is positive to the third. it suggests a policy tool the central banks can possibly use to prevent the sort of credit turmoil as the world is facing today in 2008 because of leverage lure. the tool may also help improve return to investors and thus establish some equity in the distribution of profits.