Economics question need done within 2 hours either question. only one of two of these questions

The AS curve does not describe the same kind of relationship between price and quantity as a microeconomic supply curve. Why?

Optional: It has been said that U.S. citizens do not have much propensity to save, and the low interest on savings accounts may be a reason. What would happen to the economy if, all else remaining the same, savings interest increased enough that we would have greater propensity to save? What aspects of the economy would be affected?