Which of the following is not a reason for the existence of a monopoly?
a. patents
b. marginal-cost pricing
c. economies of scale
d. trademarks
b
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Some observers assert that oligopolies are less socially desirable than pure monopolies because
A) monopolies are often government-regulated, whereas collusion among oligopolies may lead to similar results as a monopoly yet, having several firms, may give the illusion of competition.
B) monopolies have unique products, whereas product differentiation in oligopolies would lead to economic inefficiencies.
C) mutual interdependence among firms in an oligopoly would lead to more inefficiencies than in the case of a monopoly.
D) oligopolies tend to engage in advertising more so than monopolies.
Adverse selection is, in general, the asymmetric information problem that occurs
A) after a transaction is consummated. B) due to a size difference in the parties to a transaction. C) with securitization. D) before a transaction is consummated.
The production function of a firm illustrates the relationship between the amount of labor hired and output
a. True b. False Indicate whether the statement is true or false
Suppose a bank has $10,000 in deposits and $1,000 in reserves. The required reserve ratio is 5%. Which of the following occurs if the required reserve ratio is increased to 10%?
A) The bank's required reserves will decrease to $500. B) The bank's excess reserves will increase to $1,000. C) The bank's required reserves will increase to $1,000. D) The bank's ability to create loans increases by 5%.