When the Herfindahl-Hirschman Index for an industry is
A) very small, the industry can be perfectly competitive.
B) very large, the industry can be perfectly competitive.
C) 10,000, the industry is perfectly competitive.
D) very small, the industry can be a monopoly.
E) above 5,000, the industry is considered not very competitive, and when it is below 5,000, the industry is considered very competitive.
A
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Suppose we have an economy for which G = 1100, T = 800, S = 230, and I = 230. If I falls to 150, the economy's trade deficit
A) increases from 0 to 80. B) decreases from 300 to 220. C) decreases from 0 to -80. D) decreases from 70 to -10. E) increases from 0 to 70.
To reduce moral hazard, a firm may
A) pay workers at a piece rate. B) offer a year-end bonus if firm profits are up. C) offer stock options. D) All of the above.
If the shifts in AD that will result from policy changes are fully and accurately anticipated, a decrease in government purchases or an increase in taxes would result in which of the following in the short run?
a. a higher level of real output and a higher price level b. a higher level of real output but no change in the price level c. a higher price level and a reduced level of real output d. none of the above.
Stock markets deal
a. almost exclusively in newly issued stocks. b. in previously issued stocks. c. in both newly issued and previously issued stocks, but they do not deal in bonds. d. in large amounts of both newly issued and previously issued stocks and bonds.