5.1
Money performs three key functions.
First, money acts as a medium of exchange. It is used to buy products. Imagine there was no money. Tom wants to buy fruit, but the seller doesn’t want the bread he has. Trade wouldn’t happen unless both parties wanted what the other had simultaneously. Money solves this by letting Tom sell bread to customers who want it, receive money, and use that money to buy fruit.
Second, money functions as a store of value. It allows the transfer of purchasing power from the present to the future. Suppose Mary earns fifty dollars today but doesn’t spend it immediately. She plans to use it next week for groceries. However, if prices rise, that same fifty dollars buys fewer goods, reducing the effectiveness of money as a store of value.
Third, money is a unit of account. It provides a standard way of quoting prices. For example, in the U.S., items are priced in dollars, so their values are expressed in the same unit of measurement. It is convenient for people to compare the values of different products.
These functions make money vital for economic activity.
Money performs three major functions: serving as a medium of exchange, acting as a store of value, and providing a unit of account. These functions su…
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