When a market consists of a few large firms and barriers to entry exist, it:
A. must be perfectly competitive.
B. is likely an oligopoly.
C. must be monopolistically competitive.
D. is likely a monopoly.
B. is likely an oligopoly.
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Explain the difference between the "fair rules" and the "fair results" guidelines for competitive market fairness
What will be an ideal response?
One reason firms in monopolistic competition can charge different prices is that their products are
a. identical. b. similar. c. differentiated. d. guaranteed.
In 2012, government income transfers redistributed what percentage of national income?
a. 1.1 percent b. 7.7 percent c. 17.4 percent d. 25.5 percent
The manager of the customer service department at a bank can hire employees with a high school degree (HS) who earn $10,000 annually or employees with a bachelor's degree (B) who earn $20,000. The manager wants to maximize the number of customers served given a fixed payroll. 
Given the above info, if the manager currently has three HS and three B, what must be true?
A. The manager is not making the correct decision because bachelor's degree holders are more productive at all levels of customer served. B. The manager is making the correct decision because the marginal contributions are proportionate. C. More customers could be served if the manager hires fewer HS and more B. D. More customers could be served if the manager hires more HS and fewer B.