econ 10.2&10.3&10.4
If a monopolist's profits were taxed away and redistributed to its consumers, A) inefficiency would remain because output would be lower than under competitive conditions. B) inefficiency would remain, but not because output would be lower than under competitive conditions. C) efficiency would be obtained because output would be increased to the competitive level. D) efficiency would be obtained because output would be increased and profits removed.
a
The monopolist that maximizes profit A) imposes a cost on society because the selling price is above marginal cost. B) imposes a cost on society because the selling price is equal to marginal cost. C) does not impose a cost on society because the selling price is above marginal cost. D) does not impose a cost on society because price is equal to marginal cost.
a
15) The marginal cost of a monopolist is constant and is $10. The demand curve and marginal revenue curves are given as follows: demand: Q = 100 - P marginal revenue: MR = 100 - 2Q The deadweight loss from monopoly power is ________. A) $1000.00 B) $1012.50 C) $1025.00 D) $1037.50 E) none of the above
b
5) The Lerner index measures A) a firm's potential monopoly power. B) the amount of monopoly power a firm chooses to exercises when maximizing profits. C) a firm's potential profitability. D) an industry's potential market power.
b
Suppose that the competitive market for rice in Japan was suddenly monopolized. The effect of such a change would be: A) to decrease the price of rice to the Japanese people. B) to decrease the consumer surplus of Japanese rice consumers. C) to decrease the producer surplus of Japanese rice producers. D) a welfare gain for the Japanese people. E) increase the consumption of rice by the Japanese people.
b
The regulatory lag: A) always benefits the regulated firm. B) is likely to occur with rate-of-return regulation. C) promotes economic efficiency. D) all of the above
b
Which of the following statements about natural monopolies is true? A) Natural monopolies are only found in the markets for natural resources (like crude oil and coal). B) For natural monopolies, marginal cost is always below average cost. C) For natural monopolies, average cost is always increasing. D) Natural monopolies cannot be regulated.
b
With respect to monopolies, deadweight loss refers to the A) socially unproductive amounts of money spent to obtain or acquire a monopoly. B) net loss in consumer and producer surplus due to a monopolist's pricing strategy/policy. C) lost consumer surplus from monopolistic pricing. D) none of the above
b
DVDs can be produced at a constant marginal cost, and Roaring Lion Studios is releasing the DVDs for its last two major films. The DVD for Rambeau 17 is priced at $20 per disk, and the DVD for Schreck 10 is priced at $30 per disk. If the Lerner indices for Rambeau 17 divided by the Lerner index for Schreck 10 equals 0.5, what is the constant marginal cost of producing both DVDs? A) MC = $10 B) MC = $15 C) MC = $20 D) MC = $5
b 15
21) Refer to Scenario 10.9. At the profit maximizing level of output, what is the level of producer surplus? A) 0 B) 1,800 C) 5,400 D) 7,200 E) 9,600
c
9) Suppose there are seven firms in a market where the three largest firms supply 20% of the market- clearing quantity and the other four firms supply 10% of the market-clearing quantity. What is the five- firm concentration ratio (i.e., the share of total sales controlled by the five largest firms in the market)? A) 60% B) 70% C) 80% D) 90%
c
Which of the following is true when the government imposes a price ceiling on a monopolist? A) Marginal revenue becomes horizontal. B) Marginal revenue is linear. C) Marginal revenue is kinked—horizontal and then downward sloping. D) Marginal revenue is kinked—downward sloping and then horizontal.
c
You work as a marketing analyst for a pharmaceutical firm, and you are trying to gather information about the marginal cost of production for a competing firm. You know that they have a patent on a popular medication that sells for $20 per dose, and you believe the elasticity of demand for this product is roughly -4. Assuming the competing firm acts as a profit-maximizing monopolist, what is the competing firm's approximate marginal cost of production? A) $10 per dose B) $12.50 per dose C) $15 per dose D) $20 per dose
c
DVDs can be produced at a constant marginal cost of $10 per disk, and Roaring Lion Studios is releasing the DVDs for its last two major films. The DVD for Rambeau 17 is priced at $20 per disk, and the DVD for Schreck 10 is priced at $30 per disk. What are the Lerner indices for these two movies? A) Both equal one. B) 2 and 3, respectively C) 0.5 and 0.67, respectively D) 1 and 2, respectively
c
DVDs can be produced at a constant marginal cost of $5 per disk, and Roaring Lion Studios is releasing the DVDs for its last two major films. The DVD for Rambeau 17 is priced at $20 per disk, and the DVD for Schreck 10 is priced at $30 per disk. What are the price elasticities of demand for these two movies? A) Both equal -1.2. B) -0.75 and -5/6, respectively C) -1.33 and -1.2, respectively D) -1.33 and -2, respectively
c
If the regulatory agency sets a price where AR = AC for a natural monopoly, output will be A) equal to the competitive level. B) equal to the monopoly profit maximizing level. C) greater than the monopoly profit maximizing level and less than the competitive level. D) greater than the competitive level.
c
Refer to Scenario 10.9. At the profit maximizing level of output, what is the deadweight loss? A) 0 B) 450 C) 900 D) 1,800 E) none of the above
c
Refer to Scenario 10.9. What is the maximum amount that Maui Macadamia would be willing to spend in order to maintain its monopoly through rent seeking? A) 0 B) 1,800 C) 5,400 D) 10,800
c
Roaring Lion Studios can produce DVDs at a constant marginal cost of $5 per disk, and the studio has just releasing the DVD for its latest hit film, Ernest Goes to the Hamptons. The retail price of the DVD is $25, and the elasticity of demand for this film is -2. Has the studio selected the profit- maximizing retail price for this DVD? A) Yes B) No, the retail price is too low C) No, the retail price is too high D) We do not have enough information to answer this
c
Suppose a government sets theprice for a natural monopoly at the competitive level such that P = MC. To keep the seller from taking a loss under this policy, the government could provide a lump-sum payment to the firm. How could we determine this payment? A) Multiply the competitive quantity by the competitive marginal cost B) Multiply the competitive quantity by the regulated price C) Multiply the competitive quantity by the difference between MC and AC D) Multiply the difference in the competitive and monopoly quantities by AC
c
A manufacturer of digital music players uses a proprietary file format that is not used by the other firms in the market. This action by the firm may be an example of using a ________ to reduce the number of firms in the market and to maintain a relatively inelastic demand for its products. A) natural monopoly B) positive externality C) subsidy D) barrier to entry
d
Deadweight loss from monopoly power is expressed on a graph as the area between the A) competitive price and the average revenue curve bounded by the quantities produced by the competitive and monopoly markets. B) competitive price line and the marginal cost curve bounded by the quantities produced by competitive and monopoly markets. C) competitive price line and the monopoly price line bounded by zero output and the output chosen by the monopolist. D) average revenue curve and the marginal cost curve bounded by the quantities produced by competitive and monopoly markets.
d
Monopoly power results from the ability to A) set price equal to marginal cost. B) equate marginal cost to marginal revenue. C) set price above average variable cost. D) set price above marginal cost.
d
Refer to Scenario 10.8. The deadweight loss from monopoly is ________. A) 0 B) 5 C) 10 D) 25 E) none of the above
5
