EBK PRINCIPLES OF MICROECONOMICS (SECON
2nd Edition
ISBN: 9780393616149
Author: Mateer
Publisher: W.W.NORTON+CO. (CC)
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Chapter 10, Problem 4SP
To determine
Identify the necessary conditions that are met to establish a
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The figure to the right shows the market demand for electricity and the average total cost and
marginal cost of producing electricity for a utility company.
Suppose the utility company is a regulated natural monopoly. If government regulators want to
achieve economic efficiency, then they will regulate a price of $ per kilowatt hour. (Enter a
numeric response using a real number rounded to two decimal places)
Now suppose instead that government regulators want to eat the lowest price such that the utility
company will not suffer a loss so that it will continue to produce in the long run. If so, then i
government regulators will set a price of $ per kilowatt hour.
Price and cost (dollars per kilowatt hour)
0.52
048
044-
040-
0.36
0324
0.26
0.24
0.20
0.16
0.12
0.06
004
0.00+
ATC
MC
4
8 12 16 20 24 28 32 36 40 44 48
Quantity of kilowatt hours (in billions)
Suppose that Intel has a monopoly in the market for microprocessors in Brazil. During the year2005, it faces a market demand curve given by P = 9 - Q, where Q is millions of microprocessorssold per year. Suppose you know nothing about Intel’s costs of production. Assuming that Intelacts as a profit-maximizing monopolist, would it ever sell 7 million microprocessors in Brazil in2005?
If a monopoly faces an inverse demand curve of
p=450-Q,
has a constant marginal and average cost of $30, and can perfectly price discriminate, what is its profit? What are the consumer surplus, welfare, and deadweight loss? How would these results change if the firm were a single-price monopoly?
Profit from perfect price discrimination () is $88200. (Enter your response as a whole number.)
Corresponding consumer surplus is (enter your response as whole numbers):
welfare is
and deadweight loss is
Profit from single-price profit-maximization is = $44100. (Enter your response as a whole number.)
Corresponding consumer surplus is (enter your response as whole numbers):
welfare is
and deadweight loss is
CS = $0
W = $ 88200
DWL = $0.
CS = $ 22050
W = $ 66150
DWL = $ 22050
Chapter 10 Solutions
EBK PRINCIPLES OF MICROECONOMICS (SECON
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- The demand a monopoly faces is p = 400 - Q+A 0.5 where Q is its quantity, p is its price, and A is the level of advertising. Its marginal cost of production is $40, and its cost of a unit of advertising is $1. What is the firm's profit equation? The monopoly's profit equation (л) as a function of Q and A is π= (400-Q+A05) Q-40Q-A. (Properly format your expression using the tools in the palette. Hover over tools to see keyboard shortcuts. E.g., a superscript can be created with the ^ character.) The monopoly's profit-maximizing price is p = $270, quantity is Q = 260, and advertising is A = 16900. (Enter numeric responses using real numbers rounded to two decimal places.)arrow_forwardIf a monopoly faces an inverse demand curve of p=330-Q, has a constant marginal and average cost of $90, and can perfectly price discriminate, what is its profit? What are the consumer surplus, welfare, and deadweight loss? How would these results change if the firm were a single-price monopoly? Profit from perfect price discrimination () is $ 28800. (Enter your response as a whole number.) Corresponding consumer surplus is (enter your response as whole numbers): welfare is and deadweight loss is CS=$ W = $ DWL = $ Aarrow_forwardSuppose that a monopolist’s demand curve is P = 9 – 2*Q. Marginal cost is expressed as follows: MC = 0.5*Q. What is the profit-maximizing price (P) the monopoly should set? What would be the output (Q) at that price? What are the current values for the consumer and producer surpluses (CS and PS)? Is it possible to calculate the profit made by the monopolist? If so, how much is it? If not, what other information would be needed to do that? What would be the 2 key options for a government regulator to increase the consumer surplus (CS) and reduce the producer surplus (PS)? Explain briefly the pros and cons of one of the options!arrow_forward
- Graphically show a monopoly firm that currently sells 250 units of output at a price of $60/unit, where the marginal revenue of the 250th unit is $40, the marginal cost of the 250th unit is $50, and the average total cost at 250 units is $60. [Hint: Based on the information given, is the quantity you’re asked to show the profit-maximizing quantity? Think about what has to be true for profit-maximization.] Based on the graph and assuming the firm attempts to profit maximize (and succeeds), what would happen to price, quantity, MR, MC, and ATC? (rise, fall, or stay the same?)arrow_forwardUse the graph to the right for a monopoly to answer the questions. What quantity will the monopoly produce, and what price will the monopoly charge? The monopoly will produce 84 units and charge $ 3.4 per unit. (Enter numeric responses using real numbers rounded to two decimal places.) Suppose the government decides to regulate this monopoly and imposes a price ceiling of $2.60 (in other words, the monopoly can charge less than $2.60 but can't charge more). Now what quantity will the monopoly produce, and what price will the monopoly charge? The monopoly will produce units and charge $ unit. per ...) cost per unit Price and 4.80- 4.40- 4.00- 3.60- 3.20- 2.80 2.40- 2.00- 1.60- 1.20- 0.80 0.40+ 0- 0 MC 16 32 48 60 72 84 96 108 120 132 14. Quantityarrow_forwardYou are the manager of a monopoly. If the marginal cost of your product is $100 and the price elasticity of demand for your product is 3, then the markup of price over marginal cost you should set is equal to. (Round your answer to one decimal place.) (Round your answer to one decimal place.) If the price elasticity of demand is 6 rather than 3, the markup you should set is equal to Use your knowledge of the factors that affect the magnitude of the price elasticity of demand to explain the difference in the markups in your answers to the last two parts. O A. A smaller price elasticity of demand suggests that your good is a normal good, which allows you to set a higher markup. OB. A smaller price elasticity of demand suggests that there are many substitutes for your good, which allows you to set a higher markup. OC. A smaller price elasticity of demand suggests that there are few substitutes for a good, which allows you to set a higher markup. D. A smaller price elasticity of demand…arrow_forward
- Monopoly: Work It Out Earlier we mentioned the special case of a monopoly where MC = 0. Let’s find the firm’s best choice when more goods can be produced at no extra cost. Since so much e‑commerce is close to this model—where the fixed cost of inventing the product and satisfying government regulators is the only cost that matters—the MC = 0 case will be more important in the future than it was in the past. For each demand curve, calculate the profit-maximizing level of output and price as well as the monopolist's profit. a. ?=200−?P=200−Q, fixed cost = 1,000. Profit‑maximizing output Q = Profit‑maximizing price P = $ Monopolist's profit: $ b. ?=4,000−?P=4,000−Q, fixed cost = 900,000 (Driving the point home from part a) Profit‑maximizing output Q = Profit‑maximizing price P = $ Monopolist's profit: $ c. ?=120−12?P=120−12Q, fixed cost = 1,000…arrow_forwardIs a monopoly still subject the laws of supply and demand? How can it use these laws to its advantage?arrow_forwardSuppose the local electrical company, a legal monopoly based on economies of scale, was split into four firms of equal size, with the idea that eliminating the monopoly would promote competitive pricing of electricity. What do you anticipate would happen to prices? Why?arrow_forward
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