Microeconomics Plus Myeconlab With Pearson Etext (1-Semester Access)
6th Edition
ISBN: 9780134435053
Author: R. Glenn Hubbard, Anthony Patrick O'Brien
Publisher: PEARSON
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Chapter 15, Problem 15.4.4PA
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DeBeers has a monopoly on the production of diamonds. Use the following graph showing the demand, MR and cost curves of DeBeers to answer the questions below.
How many carats of diamonds does DeBeers produce to maximize its annual profit? What price does it charge? How much annual profit does it make?
If DeBeers was producing at the allocatively efficient level of output, how many carats of diamonds would it produce? What price would it charge?
Suppose that the government decided to regulate DeBeers monopoly and imposes a price ceiling of $50 per carat of diamonds. How many carats of diamonds would DeBeers produce? What price would it charge? What profit would it make?
Economist Harvey Leibenstein argued that the loss economic efficiency in industries that are not
perfectly competitive has been understated. He argues that when competition is weak, firms are under less
pressure to adopt the best techniques or to hold down their costs. He refers to this effect as
"x-inefficiency." If x-inefficiency causes a firm's marginal costs to rise, how is the deadweight loss caused
by a monopoly understated?
Suppose MC₁ is the marginal cost of production with perfect competition and MC₂ is the marginal cost of
production with x-inefficiency.
Use the triangle drawing tool to shade in the deadweight loss with x-inefficiency. Label this shaded area
'Deadweight loss₂'.
Carefully follow the instructions above, and only draw the required objects.
Price and cost
PMP
Pot
MCM
Deadweight loss
….….………………….
QM
MER
MC₂
Qc
Quantity
MC₁
Demand
Suppose a monopoly faces the market demand in the nearby figure. It has constant marginal cost equal to $6.
Find the perfectly competitive quantity and price assuming the market is made up of producers each with marginal cost $6. Give a numeric answer for each and show them on the graph.
What is the efficient quantity? Give a numeric answer and show it on the graph. Which market structure, monopoly or perfect competition, comes closer to achieving the efficient quantity?
Now suppose there is a negative externality associated with producing the good of $5 per unit. Now which market structure, monopoly or perfect competition, comes closer to achieving the efficient quantity? Explain briefly.
Chapter 15 Solutions
Microeconomics Plus Myeconlab With Pearson Etext (1-Semester Access)
Ch. 15 - Prob. 15.1.1RQCh. 15 - Prob. 15.1.2RQCh. 15 - Prob. 15.1.3PACh. 15 - Prob. 15.1.4PACh. 15 - Prob. 15.1.5PACh. 15 - Prob. 15.1.6PACh. 15 - Prob. 15.2.1RQCh. 15 - Prob. 15.2.2RQCh. 15 - Prob. 15.2.3RQCh. 15 - Prob. 15.2.4RQ
Ch. 15 - Prob. 15.2.5PACh. 15 - Prob. 15.2.6PACh. 15 - Prob. 15.2.7PACh. 15 - Prob. 15.2.8PACh. 15 - Prob. 15.2.9PACh. 15 - Prob. 15.2.10PACh. 15 - Prob. 15.2.11PACh. 15 - Prob. 15.2.12PACh. 15 - Prob. 15.2.13PACh. 15 - Prob. 15.2.14PACh. 15 - Prob. 15.3.1RQCh. 15 - Prob. 15.3.2RQCh. 15 - Prob. 15.3.3RQCh. 15 - Prob. 15.3.4PACh. 15 - Prob. 15.3.5PACh. 15 - Prob. 15.3.6PACh. 15 - Prob. 15.3.7PACh. 15 - Prob. 15.3.8PACh. 15 - Prob. 15.3.9PACh. 15 - Prob. 15.3.10PACh. 15 - Prob. 15.4.1RQCh. 15 - Prob. 15.4.2RQCh. 15 - Prob. 15.4.3PACh. 15 - Prob. 15.4.4PACh. 15 - Prob. 15.4.5PACh. 15 - Prob. 15.4.6PACh. 15 - Prob. 15.4.7PACh. 15 - Prob. 15.4.8PACh. 15 - Prob. 15.5.1RQCh. 15 - Prob. 15.5.2RQCh. 15 - Prob. 15.5.3RQCh. 15 - Prob. 15.5.4PACh. 15 - Prob. 15.5.5PACh. 15 - Prob. 15.5.6PACh. 15 - Prob. 15.5.7PACh. 15 - Prob. 15.5.8PACh. 15 - Prob. 15.5.9PACh. 15 - Prob. 15.5.10PACh. 15 - Prob. 15.5.11PACh. 15 - Prob. 15.5.12PACh. 15 - Prob. 15.5.13PA
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