Theoretical theory of Muslim consumer behavior

How to allocate consumer income between unlimited needs is one of the important topics in conventional economics. In such a way that the theory of consumer behavior is one of the most fundamental theories in economics. Islam has its own specific guidelines in this field. In this article, an attempt has been made to Using the verses and narrations, the reason for the difference in the behavior of the Muslim consumer and the conventional (non-Muslim) consumer is stated, and then the necessary results are extracted by entering the necessary items in the budget and the function of the consumer's desirability.Among the results of this research, we can point out the difference in the consumer budget line in the two economies, the smallness of the Muslim product basket compared to the non-Muslim, the constant and non-declining final desirability of spending on good deeds. On the other hand, in this situation, the equilibrium condition of the Muslim consumer is that the ultimate utility of a product on price is equal to the ultimate utility of assets on its interest.