If you add up all the wants, you quickly find that there are simply not enough goods and services to satisfy even a small fraction of everyone’s consumption desires. Our national output would have to be many times larger before the average American could live at the level of the average doctor or major-league baseball player. Moreover, outside the United States, particularly in Africa, hundreds of millions of people suffer from hunger and material deprivation. Given unlimited wants, it is important that an economy make the best use of its limited resources.