5. Costs in the short run versus in the long run Ike's Bikes is a major manufacturer of bicycles. Currently, the company produces bikes using only one factory. However, it is considering expanding production to two or even three factories. The following table shows the company's short-run average total cost (SRATC) each month for various levels of production if it uses one, two, or three factories. (Note: Q equals the total quantity of bikes produced by all factories.) Number of Factories Q = 100 1 360 2 540 3 720 er bike) Q = 200 200 300 400 Suppose Ike's Bikes is currently producing 600 bikes per month in its only factory. Its short-run average total cost is $720 per bike. 800 Average Total Cost (Dollars per bike) Q = 300 Q = 400 160 240 160 160 240 160 Suppose Ike's Bikes is expecting to produce 600 bikes per month for several years. In this case, in the long run, it would choose to produce bikes using one factory 720 Q = 500 400 300 200 On the following graph, plot the three SRATC curves for Ike's Bikes from the previous table. Specifically, use the green points (triangle symbol) to plot its SRATC curve if it operates one factory (SRATC₁); use the purple points (diamond symbol) to plot its SRATC curve if it operates two factories ( SRATC₂); and use the orange points (square symbol) to plot its SRATC curve if it operates three factories (SRATC3). Finally, plot the long-run average total cost (LRATC) curve for Ike's Bikes using the blue points (circle symbol). Note: Plot your points in the order in which you would like them connected. Line segments will connect the points automatically. ? 640 Q = 600 720 540 360 SRATC₁
5. Costs in the short run versus in the long run Ike's Bikes is a major manufacturer of bicycles. Currently, the company produces bikes using only one factory. However, it is considering expanding production to two or even three factories. The following table shows the company's short-run average total cost (SRATC) each month for various levels of production if it uses one, two, or three factories. (Note: Q equals the total quantity of bikes produced by all factories.) Number of Factories Q = 100 1 360 2 540 3 720 er bike) Q = 200 200 300 400 Suppose Ike's Bikes is currently producing 600 bikes per month in its only factory. Its short-run average total cost is $720 per bike. 800 Average Total Cost (Dollars per bike) Q = 300 Q = 400 160 240 160 160 240 160 Suppose Ike's Bikes is expecting to produce 600 bikes per month for several years. In this case, in the long run, it would choose to produce bikes using one factory 720 Q = 500 400 300 200 On the following graph, plot the three SRATC curves for Ike's Bikes from the previous table. Specifically, use the green points (triangle symbol) to plot its SRATC curve if it operates one factory (SRATC₁); use the purple points (diamond symbol) to plot its SRATC curve if it operates two factories ( SRATC₂); and use the orange points (square symbol) to plot its SRATC curve if it operates three factories (SRATC3). Finally, plot the long-run average total cost (LRATC) curve for Ike's Bikes using the blue points (circle symbol). Note: Plot your points in the order in which you would like them connected. Line segments will connect the points automatically. ? 640 Q = 600 720 540 360 SRATC₁
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Question
Ike’s Bikes is a major manufacturer of bicycles. Currently, the company produces bikes using only one factory. However, it is considering expanding production to two or even three factories. The following table shows the company’s short-run average total cost (SRATC) each month for various levels of production if it uses one, two, or three factories. (Note: Q equals the total quantity of bikes produced by all factories.)
Number of Factories
|
Average Total Cost
|
|||||
---|---|---|---|---|---|---|
(Dollars per bike)
|
||||||
Q = 100
|
Q = 200
|
Q = 300
|
Q = 400
|
Q = 500
|
Q = 600
|
|
1 | 360 | 200 | 160 | 240 | 400 | 720 |
2 | 540 | 300 | 160 | 160 | 300 | 540 |
3 | 720 | 400 | 240 | 160 | 200 | 360 |
Suppose Ike’s Bikes is currently producing 600 bikes per month in its only factory. Its short-run average total cost is
per bike.
Suppose Ike’s Bikes is expecting to produce 600 bikes per month for several years. In this case, in the long run, it would choose to produce bikes usingone factory .
On the following graph, plot the three SRATC curves for Ike’s Bikes from the previous table. Specifically, use the green points (triangle symbol) to plot its SRATC curve if it operates one factory (SRATC1SRATC1); use the purple points (diamond symbol) to plot its SRATC curve if it operates two factories (SRATC2SRATC2); and use the orange points (square symbol) to plot its SRATC curve if it operates three factories (SRATC3SRATC3). Finally, plot the long-run average total cost (LRATC) curve for Ike’s Bikes using the blue points (circle symbol).
Note: Plot your points in the order in which you would like them connected. Line segments will connect the points automatically.
SRATC1SRATC2SRATC3LRATC0100200300400500600700800720640560480400320240160800AVERAGE TOTAL COST (Dollars per bike)QUANTITY (Bikes)
In the following table, indicate whether the long-run average cost curve exhibits economies of scale, constant returns to scale, or diseconomies of scale for each range of bike production.
Range
|
Economies of Scale
|
Constant Returns to Scale
|
Diseconomies of Scale
|
|
---|---|---|---|---|
Fewer than 300 bikes per month |
|
|
|
|
More than 400 bikes per month |
|
|
|
|
Between 300 and 400 bikes per month |
|
|
|
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