Question

3. The chart illustrates your local water comnany's natural monopoly. The diagram shows the demand curve for water, the company's marginal revenue curve. its marginal cost curve (marginal costs are constant), and its average total cost curve. The government wants to regulate the monopolist by imposing a price ceiling. (20 points) a. Label the curves -Demand (D) Marginal Revenue (MR) Marginal Cost (MC) and Average Total cost (ATC) b. If the government does not regulate this monopolist, which price will it charge? c. What quantity of water will be sold? d. What will be the company's profit (calculate). e. Shade the area of profit for the monopolist using ve f. Illustrate the inefficiency this creates by shading the deadweight loss from monopoly with horizontal lines. g. If the government imposes a price ceiling equal to the marginal cost, will the monopolist make profits or lose money? h. If the government does impose this price ceiling, do you think the firm will continue to produce in the long run? i. What price ceiling should the government impose for the monopolist to break even? (approximate) Water Company Monopoly 45.00 - Price per Gallon/Costs ($) 12.50 10.00 7.50 5.00 - 2.50 - 0,00 0 4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 64 68 72 76 80 84 88 92 Quantity of water (gallons)

Answer 1

a)

b) It will set MC=MR so the price charged = 25

c) Quantity = 40

d) Profit = P-ATC*Q = (25-7.5)*40 = 700

e) Profits = shaded region below

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