Exploring Economics
8th Edition
ISBN: 9781544336329
Author: Robert L. Sexton
Publisher: SAGE Publications, Inc
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Chapter 14, Problem 5P
To determine
To draw:
The monopolistically competitve firm's
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The following graph represents a monopolistically competitive firm in long-run equilibrium.
Place the black point (cross sign) on the graph to indicate the short-run profit-maximizing price and quantity for this monopolistically competitive
company. Next, place the grey star on the graph to indicate the point where the LRAC reaches a minimum.
PRICE PER UNIT (Dollars)
500
450
400
350
300
250
200
150
100
50
MC
0
0
50
LRAC
MR
Demand
100 150 200 250 300 350 400 450 500
QUANTITY (Units)
Monopolistically Competitive Outcome
Minimum of the LRAC
The long-run equilibrium price is $
(Hint: Use the graph to find the numeric value of the price at equilibrium.)
The long-run equilibrium quantity is
units.
The LRAC curve is at its minimum at a quantity of
The long-run equilibrium price is
units.
the marginal cost of producing the equilibrium output.
?
The diagram above represents a monopolistically competitive firm. Answer the questions below.
Is this firm operating in the short-run or long-run? How do you know?
Calculate this firm’s accounting profit.
From the diagram, what is the productively efficient output for this firm?
From the diagram, economies of scale are maximized at which output level? Explain.
From the diagram, what is the allocatively efficient output for this firm? Explain.
In the long run, the positive economic profits earned by the monopolistic competitor will attract a response either from existing firms in the industry or firms outside. As those firms capture the original firm’s profit, what will happen to the original firm’s profit-maximizing price and output levels? Show on a graph
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