3.Under what 3 reasons might a person be classified as "underemployed?"

4.Different types of unemployment

5.Can the economy's overall rate of unemployment be at zero percent? Be sure to explain in details why not.

6.What does it mean when the economy is at "full employment?"

7.Define business cycle and what are the four phrases of the business cycle?How does the rate of unemployment be different at each stage of the business cycle?

8.Out of the four key components that make up GDP, which one is influenced the most by disposable income (after-tax income) and be sure to explain why?