Economics: Principles & Policy
14th Edition
ISBN: 9781337696326
Author: William J. Baumol; Alan S. Blinder; John L. Solow
Publisher: Cengage Learning
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Chapter 10, Problem 5DQ
To determine
The reason for MC cuts both AC and
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20
AVC
10
MC
15
t0
15
20 25
30
35
40
45
50
QUANTITY (Thousands of pans)
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.)
Price
Quantity
(Pans)
Total Revenue
Fixed Cost
Variable Cost
Profit
(Dollars per pan)
(Dollars)
(Dollars)
(Dollars)
(Dollars)
25.00
1,600,000
70.00
1,600,000
100.00
1,600,000
If the firm shuts down, it must incur its foxed costs (FC) in the short run. In this case, the firm's fxed 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).
This firm's…
5. Profit maximization and shutting down in the short run
Suppose that the market for frying pans is a competitive market. The following graph shows the daily cost curves of a firm operating in this market.
100
90
80
70
ATC
60
40
30
20
AVC
10
MC
10
15
20
25
30
35
40
45
50
QUANTITY (Thousands of pans)
PRICE (Dollars per pan)
A firm’s cost curves are given in the following table.
q
TC
TFC
TVC
AVC
ATC
MC
Revenue
Profit
0
RO100
RO100
1
140
100
2
160
100
3
170
100
4
182
100
5
195
100
6
220
100
7
250
100
8
290
100
9
340
100
10
400
100
Complete the table.
Graph AVC, ATC and MC on the same graph. What is the relationship between the MC curve and the ATC and between MC and AVC?
Suppose the market price is RO 60, how much will the firm products in the short run? How much are the total profits?
Chapter 10 Solutions
Economics: Principles & Policy
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- Question 37 Consider the firm whose MC, AC, AVC, AFC functions are shown in the following graph. (The following is a description of the figure: This figure is a two-axis graph; in the horizontal line we measure output q, and in the vertical line dollars $; there are four curves. The first, MC starts at a positive level when q=0; more precisely, MC(0) is greater than 16 and lower than 30; then MC is decreasing for values of q in between 0 and 50; at 50 MC has a minimum; this minimum is MC(50)-10; after q-50, MC is increasing; in particular MC(100)-16, MC(120)=30. The second curve, AVC, starts at the same level of MC(O); it is decreasing when q is between O and 100; in this range AVC is above MC; at q-100, AVC crosses MC; more precisely, AVC(100)-MC(100)-16; for q>100, AVC is increasing and below MC. The third curve, AC, has a positive asymptote at zero, that is, it grows to plus infinity when q is very small; AC is decreasing when q is in between O and 120; in this range is above MC;…arrow_forwardQuestion 27 Consider the firm whose MC, AC, AVC, AFC functions are shown in the following graph. (The following is a description of the figure: This figure is a two-axis graph; in the horizontal line we measure output q, and in the vertical line dollars $; there are four curves. The first, MC starts at a positive level when q=0; more precisely, MC(0) is greater than 16 and lower than 30; then MC is decreasing for values of q in between 0 and 50; at 50 MC has a minimum; this minimum is MC(50)=10; after q=50, MC is increasing; in particular MC(100)=16, MC(120)=30. The second curve, AVC, starts at the same level of MC(0); it is decreasing when q is between 0 and 100; in this range AVC is above MC; at q=100, AVC crosses MC; more precisely, AVC(100)=MC(100)=16; for q>100, AVC is increasing and below MC. The third curve, AC, has a positive asymptote at zero, that is, it grows to plus infinity when q is very small; AC is decreasing when q is in between 0 and 120; in this range is above MC;…arrow_forwardpshotic 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)arrow_forward
- 3. Which of the following is NOT an example of a sunk cost? a) Purchase of a hamburger after starting to eat it b) Purchase of a movie ticket thirty minutes after the film has started c) Purchase of an item on Amazon...fifty days after delivery d) Purchase of a gallon of milk after you start drinking it e) Purchase of a new TV set with the receipt 4. Suppose we have another firm known as Sepanyan Corporation which makes a product known as Yeghias. Suppose the firm’s FC=$8,000 and its TC=$10,000 and its AVC=$5. What is the ATC? a) $25.00 b) $67.50 c) $100.25 d) $200 e) Not enough information 5. Which of the following is true concerning a competitive firm? a) It will produce even when its economic profit is zero b) It prefers not to maximize profits c)t is the only firm in the market d) Its quantity choice will affect the market price e) People’s PED for the firm’s specific product is inelasticarrow_forwardSuppose 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. PRICE (Dollars per oven) 100 90 80 70 40 30 20 10 0 0 5 0 MC ATC AVC 10 15 20 25 30 35 QUANTITY (Thousands of ovens) 40 45 50 (?)arrow_forwardQuestion 22 Consider the firm whose MC, AC, AVC, AFC functions are shown in the following graph. (The following is a description of the figure: This figure is a two-axis graph; in the horizontal line we measure output q, and in the vertical line dollars $; there are four curves. The first, MC starts at a positive level when q=0; more precisely, MC(0) is greater than 16 and lower than 30; then MC is decreasing for values of q in between 0 and 50; at 50 MC has a minimum; this minimum is MC(50)=10; after q=50, MC is increasing; in particular MC(100)=16, MC(120)=30. The second curve, AVC, starts at the same level of MC(0); it is decreasing when q is between 0 and 100; in this range AVC is above MC; at q=100, AVC crosses MC; more precisely, AVC(100)=MC(100)=16; for q>100, AVC is increasing and below MC. The third curve, AC, has a positive asymptote at zero, that is, it grows to plus infinity when q is very small; AC is decreasing when q is in between 0 and 120; in this range is above MC;…arrow_forward
- Question 26 Consider the firm whose MC, AC, AVC, AFC functions are shown in the following graph. (The following is a description of the figure: This figure is a two-axis graph; in the horizontal line we measure output q, and in the vertical line dollars $; there are four curves. The first, MC starts at a positive level when q=0; more precisely, MC(0) is greater than 16 and lower than 30; then MC is decreasing for values of q in between 0 and 50; at 50 MC has a minimum; this minimum is MC(50)=10; after q=50, MC is increasing; in particular MC(100)=16, MC(120)=30. The second curve, AVC, starts at the same level of MC(0); it is decreasing when q is between 0 and 100; in this range AVC is above MC; at q=100, AVC crosses MC; more precisely, AVC(100)=MC(100)=16; for q>100, AVC is increasing and below MC. The third curve, AC, has a positive asymptote at zero, that is, it grows to plus infinity when q is very small; AC is decreasing when q is in between 0 and 120; in this range is above MC;…arrow_forwardFind TC, AFC, AVC, AC, and MC from the following table:arrow_forwardUsing the figure above, what is profit/loss for the firm?arrow_forward
- Suppose the imaginary company of Athena is a small, Raleigh-based American apparel manufacturer specializing in athleisure. The following table presents the brand's total cost of production at several different quantities. Fill in the remaining cells of the following table. Quantity Total Cost Marginal Cost (Pairs) (Dollars) (Dollars) COSTS (Dollars per pair) 200 175 150 125 On the following graph, plot Douglas Fur's average total cost (ATC) curve using the green points (triangle symbol). Next, plot its average variable cost (AVC) curve using the purple points (diamond symbol). Finally, plot its marginal cost (MC) curve using the orange points (square symbol). (Hint: For ATC and AVC, plot the points on the integer; for example, the ATC of producing one pair of boots is $160, so you should start your ATC curve by placing a green point at (1, 160). For MC, plot the points between the integers: For example, the MC of increasing production from zero to one pair of boots is $100, so you…arrow_forwarda) How do you derive the marginal cost (MC) curve of a firm?b) How are average variable cost (AVC) and marginal cost (MC) curvesrelated? Explain.arrow_forwardQUESTION 2 The following graph shows the average variable cost (AVC), average total cost (ATC) and marginal cost (MC) curves of a local restaurant whose signature dish is chicken parmigiana. Use the information from the graph to find the values of the following costs at an output level of 30 plates of chicken parmigiana: MC, AVC, ATC, AFC, VC, TC, and FC. Costs (in $) $5 $2.40 $2.20 0 Figure 12 30 MC ATC AVC Quantity (number of plates of chicken parmigiana)arrow_forward
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