option of defect is one of common options between sale and rent contracts, however, it has special rules and conditions in those contracts. in the sale contracts, any defect in the sold or bought thing causes the victim has option of defect but in the rent contracts, only the defect creates option of defect that causes hardship in using of goods or reducing of benefits. in the sale, defect of s...

This article aims to study lease and hiring contract in the Iranian-Islamic setting and analyze the asymmetric information problem in these contracts. For doing this, we study the characteristics of lease and hiring contracts in Iran (real world experimental characteristics that recognized in other studies), using library method, then we mathematically model different aspects of asymmetric info...

Financial instruments are one of the fundamental dimensions of financial markets that guarantee their efficiency and effectiveness of these markets. These instruments playe a main role in economy to direct money from saving sources to investment needs. These instruments provide possibility of financing companies from public and private sources and also are considered as investment instruments f...

banks' major responsibility, as the largest financial intermediaries, is to provide and allocate resources. this activity has its own risks which cause banks to seek ways of preventing or transferring them to other places. islamic banks as substitutes of conventional banks in islamic countries have, in their turn, faced similar risks. in regard to new evolutions in banking industry and man...

intentional assignment of entitlements (as opposed to debts) is a legal institution which is based on the possibility of separation of entitlements from the personality of creditor and of its assignment to a third party. in the voluntary assignment of entitlements, the creditors may assign their rights to a third party. after long discussions, voluntary assignment of rights has been accepted in...

The recent global financial crisis once again revealed the harmful effects of interest-based contracts in the conventional financial system. Islamic finance, as an alternative financial system, discourages interest rate and debt financing. This paper investigates the effects of two financial systems, namely the conventional and Islamic systems, on macroeconomic variables. To achieve this goal, ...