Principles of Microeconomics California Edition 2nd Edition
2nd Edition
ISBN: 9780393622089
Author: Dirk Mateer, Lee Coppock
Publisher: W. W. Norton
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Chapter 10, Problem 1SP
To determine
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Hi! I got stuck with my microeconomics homework. Can you please help? Here's the problem:
A monopolist knows that in order to expand the quantity of output it produces from 8 to 9 units it must lower the price of its output from $2 to $1. Calculate the quantity effect and the price effect. Use these results to calculate the monopolist’s marginal revenue of producing the 9th unit. The marginal cost of producing the 9th unit is positive. Is it a good idea for the monopolist to produce the 9th unit?
It is from Microeconomics: Canadian Edition
by Paul Krugman; Robin Wells; Iris Au; Jack Parkinson
Rent seeking
The following graph shows the demand, marginal revenue, and marginal cost curves for a single-price monopolist that produces a drug that helps relieve arthritis pain.
Place the grey point (star symbol) in the appropriate location on the graph to indicate the monopoly outcome such that the dashed lines reveal the profit-maximizing price and quantity of a single-price monopolist. Then, use the green rectangle (triangle symbols) to show the profits earned by the monopolist.
table 1
Suppose that should the patent on this particular drug expire, the market would become perfectly competitive, with new firms immediately entering the market with essentially identical products.
Further suppose that in this case the original firm will hire lobbyists and make donations to several key politicians to extend its patent for one more year. The firm is prepared to spend up to
$_____ million to extend its patent.
Create graph that includes:
Demand curve, marginal cost, and marginal revenue.
Identify the profit-maximizing quantity and price for this monopolist. To do this you will need to determine marginal revenue at each level of output. Choose output that satisfies the monopolist’s profit maximizing condition of MR = MC.
Does this firm earn a profit? How much profit if they do?
Chapter 10 Solutions
Principles of Microeconomics California Edition 2nd Edition
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- The following graph shows the demand, marginal revenue, and marginal cost curves for a single-price monopolist that produces a drug that helps relieve arthritis pain. Place the grey point (star symbol) in the appropriate location on the graph to indicate the monopoly outcome such that the dashed lines reveal the profit-maximizing price and quantity of a single-price monopolist. Then, use the green rectangle (triangle symbols) to show the profits earned by the monopolist. PRICE (Dollars per dose) 0 19 1 MC ATC MR 2 3 7 5 4 5 6 QUANTITY (Millions of doses per year) Demand 9 10 [x| Monopoly Outcome Monopoly Profits Suppose that should the patent on this particular drug expire, the market would become perfectly competitive, with new firms immediately entering the market with essentially identical products. Further suppose that in this case the original firm will hire lobbyists and make donations to several key politicians to extend its patent for one more year. The firm is prepared to…arrow_forwardThe table shows the demand schedule of a monopolist. Calculate marginal revenue and fill in the revenue column in the table. Assume that output can only be sold in integer amounts (i.e., 11 unit, 22 units, etc.). Once you have filled in marginal revenue, identify the quantity produced by the monopolist in this market. Quantity Price Marginal Marginal Cost Revenue 1 $13 $3 MR1 2 $12 $4 MR2 3 $11 $5 MR3 4 $10 $6 MR4 $9 $7 MR5 6. $8 $8 MR6 How many units does the monopolist produce? Quantity:arrow_forwardThe following graph shows the demand, marginal revenue, and marginal cost curves for a single-price monopolist that produces a drug that helps releve arthritis pain. Place the grey point (star symbol) in the appropriate location on the graph to Indicate the monopoly outcome such that the dashed lines reveal the profit-maximizing price and quantity of a single-price monopolst. Then, use the green rectangle (triangle symbols) to show the profits earned by the monopolist. 10 Manapaly Outcome Manapaly Profits 4 MC = ATC 1. MR Damand 3 4 QUANTITY (Millians of dasas par yaar) 5 6 10 1 2 6 8 Suppose that should the patent on this particular drug explre, the market would become perfectly competitive, with new firms Immedlately enterling the market with essentially Identical products. Further suppose that In this case the original firm will hire lobbylsts and make donations to several key politicians to extend Its patent for one more year. The firm Is prepared to spend up to $ million to extend…arrow_forward
- The diagram below shows a monopolist's marginal cost schedule and the demand curve. Find and depict the following items within the diagram and briefly explain how you found them: Price Monopoly Price Demand Marginal Revenue Total Surplus Quantity Maximising Quantity b) Draw a possible marginal cost curve for the monopolist into the diagram that is consistent with all the other curves that are already given. c) Based on the marginal cost curve that you constructed in part (b), find and highlight the monopolist's total costs at the monopoly price in the diagram. d) Briefly explain the shape of the marginal revenue curve as compared to the demand curve in the diagram.arrow_forwardThe table below shows a monopolist's demand curve and the cost information for the production of its good. If the monopolist is trying to maximize its profit what would it be? Quantity Price per Unit Total Cost 10 $100 $100 20 $80 $400 30 $60 $800 40 $40 $1,400 50 $20 $2,400 Question 40 options: a) $1,200 b) $1,000 c) $1,600 d) $1, 800arrow_forwardThere is a monopolist in a market for a particular type of consumer goods. It is costly to create new types of products (brands) in this market, but consumers have different taste and thus some will prefer the new brand. Will the monopolist create too few brands or too many? Explain.arrow_forward
- Only one firm produces and sells soccer balls in the country of Wiknam, and as the story begins, international trade in soccer balls is prohibited. The following equations describe the monopolist's demand, marginal revenue, total cost, and marginal cost: Demand: P = 10 - Q Marginal Revenue:MR = 10 - 2 Q Total Cost TC= 3 + Q+0.5 Q2 Marginal Cost: MC= 1+ Q, where Q is quantity and Pis the price measured in Wiknamian dollars. a. How many soccer balls does the monopolist produce? At what price are they sold? What is the monopolist's profit? b. One day, the King of Wiknam decrees that henceforth there will be free trade-either imports or exports of soccer balls at the world price of $6.The firm is now a price taker in a competitive market What happens to the domestic production of soccer balls? To domestic consumption? Does Wiknam export or import soccer balls? c. In our analysis of international trade in Chapter a country becomes an exporter when the price without trade is below the…arrow_forwardOnly one firm produces and sells soccer balls in the country of Wiknam, and as the story begins, international trade in soccer balls is prohibited. The following equations describe the monopolist's demand, marginal revenue, total cost, and marginal cost: Demand: P=15-Q Marginal Revenue: MR = 15-20 Total Cost: Marginal Cost: TC=3+Q+0.50² MC = 3+Q where Q is quantity and P is the price measured in Wiknamian dollars. The monopolist produces soccer balls and sells them at a price of s each. The monopolist's profit is s The domestic production of soccer balls will to Wiknam will soccer balls in this case. One day, the King of Wiknam decrees that henceforth there will be free trade-either imports or exports-of soccer balls at the world price of $10. The firm is now a price taker in a competitive market. soccer balls, and domestic consumption will to in this case. In the analysis of international trade in Chapter 9, a country becomes an exporter when the price without trade is below the world…arrow_forwardThe following graph gives the demand (D) curve for satellite TV services in the fictional town of Streamship Springs. The graph also shows the marginal revenue (MR) curve, the marginal cost (MC) curve, and the average total cost (ATC) curve for the local satellite TV company, a natural monopolist. On the following graph, use the black point (plus symbol) to indicate the profit-maximizing price and quantity for this natural monopolist. ? PRICE (Dollars per subscription) 100 90 80 70 20 10 0 + 0 2 MR True 6 8 10 12 14 QUANTITY (Number of subscriptions) 16 O False ATC MC 18 20 D Which of the following statements are true about this natural monopoly? Check all that apply. Monopoly Outcome In order for a monopoly to exist in this case, the government must have intervened and created it. The satellite TV company is experiencing economies of scale. It is more efficient on the cost side for one producer to exist in this market rather than a large number of producers. The satellite TV company…arrow_forward
- In the following situation, what should the monopolist do to maximize profit? Select the best answer. A monopolist is currently producing a level of output such that marginal revenue is $143$143 and marginal cost is $109$109. The monopolist then sets a price based on demand for the current level of output.arrow_forwardThe diagram above represents a monopolist firm. Answer the following questions: What price will this firm charge and what quantity produced in order to maximize profit? Explain your answer. If this firm becomes regulated and the regulatory agency want to achieve economic efficiency, what will be the price and quantity? Explain your answer. If the monopolist operates at the economic efficiency level, will he be making a profit or loss? Explain. Suppose the regulatory agency wants the monopolist to charge a price that matches what it costs to produce a unit of the good/service. What price will this be and what would be the quantity produced? Explain. At a price ceiling of $41 what would be the profit/loss of the monopolist?arrow_forwardThe diagram below shows a monopolist's marginal cost schedule and the demand curve. Find and depict the following items within the diagram and briefly explain how you found them: Price Monopoly Price Demand Marginal Revenue Total Surplus Quantity Maximising Quantity a) Find and highlight the consumer surplus in the monopoly in the diagram. b) Draw a possible marginal cost curve for the monopolist into the diagram that is consistent with all the other curves that are already given.arrow_forward
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