3. Is monopolistic competition efficient? Suppose that a firm produces wooden train engines in a monopolistically competitive market. The following graph shows its demand curve, marginal- revenue (MR) curve, marginal-cost (MC) curve, and average-total-cost (ATC) curve. Place a black point (plus symbol) on the graph to indicate the long-run monopolistically competitive equilibrium price and quantity for this firm. Next, place a grey point (star symbol) to indicate the minimum average total cost the firm faces and the quantity associated with that cost. (? PRICE (Dollars per engine) 100 80 70 30 && 2 8 8 8 90 ATC 40 20 10 MC MR Demand 0 + 0 10 20 30 40 50 60 70 80 90 100 QUANTITY (Thousands of engines) + Mon Comp Outcome Min Unit Cost at the the efficient scale. Because this market is a monopolistically competitive market, you can tell that it is in long-run equilibrium by the fact that optimal quantity for each firm. Furthermore, the quantity the firm produces in long-run equilibrium is True or False: This indicates that there is a markup on marginal cost in the market for engines. True False

Principles of Microeconomics
7th Edition
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Author:N. Gregory Mankiw
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Chapter16: Monopolistic Competition
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3. Is monopolistic competition efficient?
Suppose that a firm produces wooden train engines in a monopolistically competitive market. The following graph shows its demand curve, marginal-
revenue (MR) curve, marginal-cost (MC) curve, and average-total-cost (ATC) curve.
Place a black point (plus symbol) on the graph to indicate the long-run monopolistically competitive equilibrium price and quantity for this firm. Next,
place a grey point (star symbol) to indicate the minimum average total cost the firm faces and the quantity associated with that cost.
?
PRICE (Dollars per engine)
100
90
80
70
60
50
40
30
20
10
MC
ATC
MR
0
+
Demand
H
0
10
20
30
40 50 60 70
80
90
100
QUANTITY (Thousands of engines)
Mon Comp Outcome
Min Unit Cost
Because this market is a monopolistically competitive market, you can tell that it is in long-run equilibrium by the fact that
optimal quantity for each firm. Furthermore, the quantity the firm produces in long-run equilibrium is
True or False: This indicates that there is a markup on marginal cost in the market for engines.
True
False
at the
the efficient scale.
Transcribed Image Text:3. Is monopolistic competition efficient? Suppose that a firm produces wooden train engines in a monopolistically competitive market. The following graph shows its demand curve, marginal- revenue (MR) curve, marginal-cost (MC) curve, and average-total-cost (ATC) curve. Place a black point (plus symbol) on the graph to indicate the long-run monopolistically competitive equilibrium price and quantity for this firm. Next, place a grey point (star symbol) to indicate the minimum average total cost the firm faces and the quantity associated with that cost. ? PRICE (Dollars per engine) 100 90 80 70 60 50 40 30 20 10 MC ATC MR 0 + Demand H 0 10 20 30 40 50 60 70 80 90 100 QUANTITY (Thousands of engines) Mon Comp Outcome Min Unit Cost Because this market is a monopolistically competitive market, you can tell that it is in long-run equilibrium by the fact that optimal quantity for each firm. Furthermore, the quantity the firm produces in long-run equilibrium is True or False: This indicates that there is a markup on marginal cost in the market for engines. True False at the the efficient scale.
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