• Brainly User
When two persons need goods in each others possessions this is called double coincidence of wants.when money was not introduced there was system of barter system. Example rahul wants sugar n has wheat he must first find a person someone lie raj who has sugar but even there shud be a possibility that raj wants wheat in exchange of sugar. So thus many will help in solving this prblm where money has value :)
Money can be exchangrd for any kind of commodity of one's choice or need.It becomes easier to buy and sell goods Nd services with money to make transactions.
In a barter system,commodities are directly exchanged with commodities without the use of money.But in such a system,two parties are required who are ready to sell Nd buy each other's commodities.This is called double coincidence of wants. With the help of money one buy a commodity of his choice whatever he so desires.He need not wait for the other person to agree to exchange his goods with his own goods.