Principles of Economics (12th Edition)
12th Edition
ISBN: 9780134078779
Author: Karl E. Case, Ray C. Fair, Sharon E. Oster
Publisher: PEARSON
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Chapter 9, Problem 2.9P
To determine
Short run average cost curve, short run marginal cost curves and long run average cost curves.
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The long-run average cost curve for an industry is represented in the following graph. Add short-run average cost curves and short-run marginal cost curves for three firms in this industry, with one firm producing an output of 10,000 units, one firm producing an output of 20,000, and one firm producing an output of 30,000. Label these as Scale 1, Scale 2, and Scale 3, respectively. What is likely to happen to the scale of each of these three firms in the long run?.
Douglas Fur is a small manufacturer of fake-fur boots in Chicago. The following table shows the company’s total cost of production at various production quantities.
Fill in the remaining cells of the following table.
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 $200, so you should start your ATC curve by placing a green point at (1, 200). For MC, plot the points between the integers: For example, the MC of increasing production from zero to one pair of boots is $80, so you should start your MC curve by placing an orange square at (0.5, 80).)
Note: Plot your points in the order in which you would like them connected. Line segments…
Douglas Fur is a small manufacturer of fake-fur boots in San Diego. The following table shows the company’s total cost of production at various production quantities.
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 $210, so you should start your ATC curve by placing a green point at (1, 210). For MC, plot the points between the integers: For example, the MC of increasing production from zero to one pair of boots is $90, so you should start your MC curve by placing an orange square at (0.5, 90).)
Note: Plot your points in the order in which you would like them connected. Line segments will connect the points automatically.
Chapter 9 Solutions
Principles of Economics (12th Edition)
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- Douglas Fur is a small manufacturer of fake-fur boots in Dallas. The following table shows the company’s total cost of production at various production quantities. 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 $155, so you should start your ATC curve by placing a green point at (1, 155). For MC, plot the points between the integers: For example, the MC of increasing production from zero to one pair of boots is $95, so you should start your MC curve by placing an orange square at (0.5, 95).) Note: Plot your points in the order in which you would like them connected. Line segments will connect the points automatically.arrow_forward2.10 The long-run average cost curve for an industry is repre- sented in the following graph. Add short-run average cost curves and short-run marginal cost curves for three firms in this industry, with one firm producing an output of 10,000 units, one firm producing an output of 20,000, and one firm producing an output of 30,000. Label these as Scale 1, Scale 2, and Scale 3, respectively. What is likely to happen to the scale of each of these three firms in the long run? Cost per unit ($) LRAC 10,000 20,000 30,000 Units of outputarrow_forwardThe table below represents incomplete information on the short-run production costs for a firm, where: FC is fixed cost; TVC is total variable cost; TC is total cost; MC is marginal cost; and AFC, AVC, and ATC are average fixed, average variable, and average total cost, respectively. Based on the information provided in the table, complete the rest of the table. Note that values for FC, TVC, TC, AFC, AVC, and ATC should be placed on the same line as the corresponding quantity; values for MC should be placed between quantities. For example, the marginal cost of increasing output from 2 units to 3 units is $110, thus $110 is entered between Q=2 and Q=3 in the table. Find the quantity at which diminishing marginal returns set in. TVC TC Q 1 FC MC AFC AVC ATC 400 300 2 920 110 3 4 180 5 272arrow_forward
- The following graph shows the short-run average total cost curves and the long-run average cost curve for a publishing firm. The five marked quantities indicate points of tangency between each short-run average total cost curve (SRATC) and the long-run average cost curve (LRAC); for example, Q1 marks the point of tangency between SRATC₁ and LRAC. The orange point on SRATC3 indicates the firm's current output level in the short run (3). COST PER UNIT SRATC₁ LRAC SRATC O Shut down SRATC3 QUANTITY OF OUTPUT O Shift to operate on SRATC₁ O Stay on SRATC3 O Shift to operate on SRATC₂ SRATC5 In the long run, if the firm decides to keep output at its initial level, what will it likely do? SRATCarrow_forwardConsider the following types of firms. For each one, the long-run average cost curve eventually exhibits diseconomies of scale. For which firms would you expect diseconomies of scale to set in at relatively low levels of output? Why? A copy shop A hardware store A dairy A newspaper An automobile manufacturer A restaurantarrow_forwardLRATO ATC ATC, ATC, OUTPUT In the long run, if the firm decides to keep output at its initial level, what will it likely do? O Shut down O Stay on ATC3 but decrease to the point touching LRATC O Shift to operate on ATC4 O Shift to operate on ATC2 At which output level (or range of output levels) can the firm produce most efficiently, given its current productive capacity? O Q3 O Q2 to Q4 O Q4 O Q2 O o to Q3 COST PER UNITarrow_forward
- Consider the following types of firms. For each one, the long-run average cost curve eventually exhibits diseconomies of scale. For which firms would you expect diseconomies of scale to set in at relatively low levels of output? Why? A newspaper An automobile manufacturer A restaurantarrow_forwardThe following graph shows the short-run average total cost curves and the long-run average total cost curve for a publishing firm. The five marked quantities indicate points of tangency between each short-run average total cost curve (ATC) and the long-run average total cost curve (LRATC); for example, Qi marks the point of tangency between ATCı and LRATC. The orange point on ATC3 indicates the firm's current output level in the short run (Q3). ATC, ATC5 LRATC ATC, ATC3 ATC4 3D Q, OUTPUT COST PER UNITarrow_forwardAn economist estimated that the cost function of a single-product firm is C(Q) = 100 + 20Q + 15Q2 + 10Q3 Based on this information, determine a. The fixed cost of producing 10 units of output.b. The variable cost of producing 10 units of output. c. The total cost of producing 10 units of output. d. The average fixed cost of producing 10 units of output. e. The average variable cost of producing 10 units of output. f. The average total cost of producing 10 units of output. g. The marginal cost when Q = 10.arrow_forward
- The figure illustrates the short-run cost curves for a company that produces cell phones Identify the average total cost curve (ATC), the average vaniable cost curve (AVC), the average fixed cost curve (AFC), and the marginal cost curve (MC) in the figure. The ATC curve is the AVC curve is the AFC curve is and the MC curve is Cost (dollars per phone) 6800 64.00 60.00- 54.00 $2.00 48.00 44.00 40.00 36.00 32.00 28.00 24.00 2000- 16.00 12.00- 8.00 400 0.00 6 Quantity (cell phones in 1000s). 0₂ C₂ C₂ ROOarrow_forwardJane's Juice Bar has the following cost schedules: In the following table, complete the marginal cost, average variable cost, and average total cost columns. (SEE ATTACHMENTS FOR THE REST OF QUESTIONS) Which of the following statements are true according to the previous graph? Check all that apply. The marginal-cost curve is below the average-total-cost curve when output is greater than four and average total cost is rising. The marginal-cost curve lies above the average-variable-cost curve. The marginal-cost curve is below the average-total-cost curve when output is less than four and average total cost is declining.arrow_forwardThe above cost curves are for a firm producing flour, which is measured in pounds. 1. What is the firm's total cost when it produces 200 pounds of flour? ______(Enter only a number) 2. What is the firm's fixed cost? _____(Enter only a number) 3. What is the firm's average variable cost when it produces 200 pounds of flour? _____(Enter only a number)arrow_forward
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