In the modern world we take money for granted. However, pause for a moment and imagine what life would be like without money. Suppose that you want to consume a particular good or service, such as a pair of shoes. If money didn't exist, you would need to barter with the cobbler for the pair of shoes that you want. Barter is the process of directly exchanging one good or service for another. In order to purchase the pair of shoes, you would need to have something to trade for the shoes. If you specialized in growing peaches, you would need to bring enough bushels of peaches to the cobbler's shop to purchase the pair of shoes. If the cobbler wanted your peaches and you wanted his shoes, then a double coincidence of wants would exist and trade could take place.

But what if the cobbler didn't want...