Problem
1. Give a noneconomic example of two variables that are positively correlated and an example of two variables that are negatively correlated.
2. Why is the index of leading economic indicators useful for forecasting GDP?
3. What are the three features of comovement that macroeconomists are interested in?
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.