Which of the following is true?
a. The earnings differential between men and women who never married is considerably smaller than the differential between married men and married women.
b. After adjusting for education, age, language, and location, the earnings of women are almost identical with the earnings of men.
c. Between 1980 and 2000 . the female/male annual earnings ratio of full-time workers was virtually unchanged.
d. The hourly earnings of women were approximately 60 percent of their male counterparts in 2009.
A
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Although the U. S. airline industry has only a relatively small number of sellers, the market is nevertheless highly competitive. The reason is that:
A. the number of buyers is very large. B. due to fierce competition, no firm has significant control over the quantity supplied. C. most airline routes are served by relatively many sellers. D. due to fierce competition, no firm has significant control over prices.
Refer to the accompanying figure. The total utility of consuming 4 pizzas a week is:
A. 22.5 B. 90 C. 75 D. 15