![]() ![]() What uses can we make of the air? We breathe it. The test of whether air is scarce is whether it has alternative uses. Consider the air we breathe, which is available in huge quantity at no charge to us. The fact that land is scarce means that society must make choices concerning its use. There are alternative uses of the land both in the sense of the type of use and also in the sense of who gets to use it. Who should live in the house? If the Lees live in it, the Nguyens cannot. Should it be a large and expensive house or several modest ones? Suppose it is to be a large and expensive house. Suppose we have decided the land should be used for housing. We could leave the land undeveloped in order to be able to make a decision later as to how it should be used. The parcel presents us with several alternative uses. A scarce good is one for which the choice of one alternative requires that another be given up.Ĭonsider a parcel of land. ![]() Scarcity is the condition of having to choose among alternatives. Our unlimited wants are continually colliding with the limits of our resources, forcing us to pick some activities and to reject others. Whether we like it or not, we must make choices. ![]() To say yes to one thing requires that we say no to another. Because our resources are limited, we cannot say yes to everything. If our resources were also unlimited, we could say yes to each of our wants-and there would be no economics. We would always like more and better housing, more and better education-more and better of practically everything. But our wants, our desires for the things that we can produce with those resources, are unlimited. At any one time, we have only so much land, so many factories, so much oil, so many people. ![]()
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