Changes in the price level
A) increase the level of aggregate supply in the long run.
B) decrease the level of aggregate supply in the long run.
C) do not affect the level of aggregate supply in the long run.
D) increase the level of aggregate supply in the long run only at very high levels of
output.
Assume that emissions from electric utilities contribute to pollution in the form of acid
rain. Which of the following describes how this affects the market for electricity?
A) The equilibrium in the market is not efficient; the marginal benefit from electricity is
greater than the marginal social cost.
B) A deadweight loss occurs; at equilibrium the additional social cost of production is
greater than the additional benefit to consumers.
C) The equilibrium in the market is not efficient; because of the cost of the acid rain,
economic efficiency would be greater if more electricity were produced.
D) The equilibrium in the market is not efficient; consumer surplus is equal to producer
surplus.
Which of the following did not contributed to the overall decline in death rates in the
United States since 1981?
A) a decline in smoking