In a graph that illustrates a perfectly competitive firm, the marginal revenue curve is
A) a diagonal line that lies below the firm's demand curve.
B) a line that intersects the firm's demand curve from below at its lowest point.
C) a line that intersects the firm's average total cost curve from below at its lowest point.
D) the same as the firm's demand curve.
Answer: D
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What will be an ideal response?
The price of pie increases. Some people who purchased pie before the price increase no longer purchase pie. This is
A) a positive externality. B) a negative externality. C) a positive externality for some consumers and a negative externality for others. D) not an externality.
Refer to the diagram. Assume that the natural rate of unemployment is 5 percent and that the economy is initially operating at point a, where the expected and actual rates of inflation are each 6 percent. In the long run, the decline in the actual rate of inflation from 6 percent to 4 percent will:
A. reduce the unemployment rate.
B. reduce corporate profits in real terms.
C. have no effect on the unemployment rate.
D. reduce real domestic output.
All of the following are components of the expenditure approach to measuring GDP EXCEPT
A) Shaniq's purchase of a meal at the Olive Garden in Atlanta. B) a Senator from Iowa being paid the monthly salary. C) the army buying new M1 Abram tanks. D) Ford Motor Company buying new Dell computers for use in its marketing department in Dearborn, Michigan.