If an industry has a four-firm concentration ratio equal to one hundred percent, then it is definitely the case that the industry is
A) a monopoly.
B) perfectly competitive.
C) monopolistically competitive.
D) either a monopoly or an oligopoly.
D
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To increase future living standards by pursuing higher current rates of investment spending, an economy must
A. decrease the amount of future research and development spending. B. reduce current rates of consumption spending. C. reduce the current capital stock. D. allow higher rates of current consumption.
In perfect competition, ________
A) there are restrictions on entry into the market B) firms in the market have advantages over firms that plan to enter the market C) only firms know their competitors' prices D) there are many firms that sell identical products
In the simple Keynesian model, government spending
a. have a smaller multiplier than tax changes. b. can have a larger or smaller multiplier depending upon monetary policy c. have the same multiplier as changes in taxes. d. have a greater multiplier than tax changes.
Refer to the information provided in Figure 2.4 below to answer the question(s) that follow.
Figure 2.4Refer to Figure 2.4. The economy moves from Point E to Point B. This could be explained by
A. a change in society's preferences for hybrid cars versus motorcycles. B. an increase in economic growth. C. an increase in unemployment. D. a reduction in unemployment.