BA-102A: Principles of Economics-Macro

1/ What is the difference between supply and demand for an item like a hamburger versus Aggregate Supply and Aggregate Demand? Provide example.

2/ How would people know whether or not the economy is healthy? What are things to look at? What's a "good number" versus a "bad number"? Provide example.

3/ Why isn't ZERO unemployment a realistic goal? Provide example.

4/ What does "net exports" mean? How does this apply to the United States? Is this a good thing or a bad thing for us? Provide example.