5. Profit maximization and shutting down in the short run Suppose that the market for microwave ovens is a competitive market. The following graph shows the daily cost curves of a firm operating in this market. 100 90 80 ATC 70 50 40 30 AVC 20 10 MC 0. 0. 10 15 20 25 30 35 40 45 50 QUANTITY (Thousands of ovens) PRICE (Dollars per oven)

Principles of Economics 2e
2nd Edition
ISBN:9781947172364
Author:Steven A. Greenlaw; David Shapiro
Publisher:Steven A. Greenlaw; David Shapiro
Chapter8: Perfect Competition
Section: Chapter Questions
Problem 23RQ: What two lines on a cost curve diagram intersect at the shutdown point?
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pshotic
166&
5. Profit maximization and shutting down in the short run
Suppose that the market for microwave ovens is a competitive market. The following graph shows the daily cost curves of a firm operating in this
market.
100
90
80
ATC
70
60
40
30
AVC
20
10
MC
5 10
15
20
25
30
35
40
45
50
QUANTITY (Thousands of ovens)
Σ
50
PRICE (Dollars per oven)
Transcribed Image Text:pshotic 166& 5. Profit maximization and shutting down in the short run Suppose that the market for microwave ovens is a competitive market. The following graph shows the daily cost curves of a firm operating in this market. 100 90 80 ATC 70 60 40 30 AVC 20 10 MC 5 10 15 20 25 30 35 40 45 50 QUANTITY (Thousands of ovens) Σ 50 PRICE (Dollars per oven)
10
MC
+
5
10
15
20
25
30
35
40
45
50
QUANTITY (Thousands of ovens)
For each price in the following table, calculate the firm's optimal quantity of units to produce, and determine the profit or loss if it produces at that
quantity, using the data from the graph to identify its total variable cost. Assume that if the firm is indifferent between producing and shutting down,
it will produce. (Hint: You can select the purple points [diamond symbols] on the graph to see precise information on average variable cost.)
Quantity
Total Revenue
Fixed Cost
Variable Cost
Profit
Price
(Ovens)
(Dollars)
(Dollars)
(Dollars)
(Dollars)
(Dollars per oven)
1,600,000
25.00
70.00
1,600,000
1,600,000
100.00
If the firm shuts down, it must incur its fixed costs (FC) in the short run. In this case, the firm's fixed cost is $1,600,000 per day. In other words, if it
shuts down, the firm would suffer losses of $1,600,000 per day until its fixed costs end (such as the expiration of a building lease).
per oven.
This firm's shutdown price-that is, the price below which it is optimal for the firm to shut down-is
Σ
20
Transcribed Image Text:10 MC + 5 10 15 20 25 30 35 40 45 50 QUANTITY (Thousands of ovens) For each price in the following table, calculate the firm's optimal quantity of units to produce, and determine the profit or loss if it produces at that quantity, using the data from the graph to identify its total variable cost. Assume that if the firm is indifferent between producing and shutting down, it will produce. (Hint: You can select the purple points [diamond symbols] on the graph to see precise information on average variable cost.) Quantity Total Revenue Fixed Cost Variable Cost Profit Price (Ovens) (Dollars) (Dollars) (Dollars) (Dollars) (Dollars per oven) 1,600,000 25.00 70.00 1,600,000 1,600,000 100.00 If the firm shuts down, it must incur its fixed costs (FC) in the short run. In this case, the firm's fixed cost is $1,600,000 per day. In other words, if it shuts down, the firm would suffer losses of $1,600,000 per day until its fixed costs end (such as the expiration of a building lease). per oven. This firm's shutdown price-that is, the price below which it is optimal for the firm to shut down-is Σ 20
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