If a decrease in the Z factors resulted in a very large change in the price level and a very small change in aggregate output, Group of answer choices then in the U. S. economy investment demand must not be sensitive to the interest rate. then the U. S. economy must have been on the very flat part of its short-run aggregate supply curve. then the U. S. aggregate demand curve must be very steep. then the U. S. economy must have been on the very steep part of its short-run aggregate supply curve.

Juanita and sam attend a beach party and notice that the local beach appears to have a great deal more trash washed up on shore than it did when they were young. the water doesn't appear nearly as clear, and there seems to be less evidence of small water creatures living in the shallows. an afternoon at the local library convinces them that one major cause is the new factory nearby. after some discussion, they decide their next step should be identifying the cause of the changes identifying the problem picketing the guilty factory lobbying their elected representatives to complain about the problem talking to a local environmental group about solutions