FIGURE 13.1 A monopolistically competituve firm: short run and long run. The monopolistic competitor maximizes profit or minimizes loss by producing the output at which MR = MC. The economic profit shown in (a) will induce new firms to enter, eventually eliminating economic profit. The loss shown in (b) will cause an exit of firms until normal profit is restored. After such entry and exit, the price will settle in (c) to where it just equals average total cost at the MR = MC output. At this price P, and output Q, the monopolistic competitor earns only a normal profit, and the industry is in long-run equilibrium. MC ATC Economic profit MR = MC MR Q, Quantity (a) Short-run profits MC ATC ATC MC Loss D2 MR = MC MR MR = MC MR Q3 Quantity Quantity (C) Long-run equilibrlum (b) Short-run losses Price and costs Price and costs Price and costs

ENGR.ECONOMIC ANALYSIS
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ISBN:9780190931919
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Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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1. Price exceeds MC in:   a. graph (a) only. b. graph (b) only. c. graphs (a) and (b) only. d. graphs (a), (b), and (c). 2. Price exceeds ATC in:   a. graph (a) only. b. graph (b) only. c. graphs (a) and (b) only. d. graphs (a), (b), and (c). 3. The firm represented by Figure 13.1c is:   a. making a normal profit. b. incurring a loss.
c. producing at the same level of output as a purely competitive firm. d. producing a standardized product. 4. Which of the following pairs are both “competition-like elements” in monopolistic competition?  a. Price exceeds MR; standardized product. b. Entry is relatively easy; only a normal profit in the long run. c. Price equals MC at the profit-maximizing output; economic profits are likely in the long run. d. A firm’s demand curve is downsloping; differentiated products.

FIGURE 13.1 A monopolistically competituve firm: short run and
long run. The monopolistic competitor maximizes profit or minimizes
loss by producing the output at which MR = MC. The economic profit
shown in (a) will induce new firms to enter, eventually eliminating
economic profit. The loss shown in (b) will cause an exit of firms until
normal profit is restored. After such entry and exit, the price will
settle in (c) to where it just equals average total cost at the MR = MC
output. At this price P, and output Q, the monopolistic competitor
earns only a normal profit, and the industry is in long-run equilibrium.
MC
ATC
Economic
profit
MR = MC
MR
Q,
Quantity
(a)
Short-run profits
MC
ATC
ATC
MC
Loss
D2
MR = MC
MR
MR = MC
MR
Q3
Quantity
Quantity
(C)
Long-run equilibrlum
(b)
Short-run losses
Price and costs
Price and costs
Price and costs
Transcribed Image Text:FIGURE 13.1 A monopolistically competituve firm: short run and long run. The monopolistic competitor maximizes profit or minimizes loss by producing the output at which MR = MC. The economic profit shown in (a) will induce new firms to enter, eventually eliminating economic profit. The loss shown in (b) will cause an exit of firms until normal profit is restored. After such entry and exit, the price will settle in (c) to where it just equals average total cost at the MR = MC output. At this price P, and output Q, the monopolistic competitor earns only a normal profit, and the industry is in long-run equilibrium. MC ATC Economic profit MR = MC MR Q, Quantity (a) Short-run profits MC ATC ATC MC Loss D2 MR = MC MR MR = MC MR Q3 Quantity Quantity (C) Long-run equilibrlum (b) Short-run losses Price and costs Price and costs Price and costs
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