An increase in total spending in the economy will shift the aggregate demand curve to the left

Graphs are useful because of the way they

a. facilitate interpretation and analysis of data. b. clarify interpretation and analysis of ideas. c. permit a person to easily see relationships. d. convey an idea that might otherwise take many words. e. All of the above are correct.

Demand curves are formed by ______.

a. minimum prices people are willing and able to sell at b. maximum prices people are willing and able to pay c. minimum prices people are willing and able to pay d. maximum prices people are legally able to sell at