The economy's normal, long-run growth rate is shown in the AD-AS model as:

If an electric power plant does not bear the entire cost of the pollution it emits, it will

a. not emit any pollution so as to avoid the entire cost of the pollution. b. emit lower levels of pollution. c. emit an acceptable level of pollution. d. emit too much pollution.

In a booming economy, discretionary fiscal policy:

A. removes the effect of the automatic stabilizers that already are present. B. can be added to the automatic stabilizers effects of policies already in place. C. often acts counter to the automatic stabilizers that already exist. D. All of these are true.