The table above lists the market shares of the twenty makers of personal computers. The four-firm concentration equals
A) 5 percent.
B) 20 percent.
C) 25 percent.
D) 100 percent.
B
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Keynes referred to the emotions that shift supply and demand as ________.
A. preferences B. austerity measures C. animal spirits D. speculative bubbles
Refer to Figure 12-6. Which of the following statements is true?
A) Jason should produce where MC equals $3 (point d) where he will minimize his losses. B) Jason cannot earn a profit from selling any number of apples. C) Jason should produce where MC equals $3 (point d) where he will maximize his profit. D) Jason should produce where the distance between MC and his demand curve is greatest (point b).
Under federal tax law, employer-provided health insurance is not subject to taxation.
A. True B. False C. Uncertain
Arun is a job seeker. He notes that although the U.S. unemployment rate has dropped, the frictional unemployment has risen. How should he feel about this news?
a. concerned, because an uptick in frictional unemployment usually corresponds to the start of an economic slowdown b. optimistic, because frictional unemployment often rises when there are a lot of available job opportunities c. ambivalent, because the economy is doing well, but it will probably take him a long time to find a job d. confused, because the frictional unemployment rate almost always mirrors overall unemployment rate