On the following graph, plot the three SRATC curves for Ike's Bikes from the previous table. Specifically, use the green points (triangle syn ts SRATC curve if it operates one factory (SRATC); use the purple points (diamond symbol) to plot its SRATC curve if it operates two fa SRATC-); and use the orange points (square symbol) to plot its SRATC curve if it operates three factories (SRATC,). Finally, plot the lo

Microeconomics: Principles & Policy
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Author:William J. Baumol, Alan S. Blinder, John L. Solow
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Chapter7: Production, Inputs, And Cost: Building Blocks For Supply Analysis
Section: Chapter Questions
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4. 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.)
Average Total Cost
(Dollars per bike)
Number of Factories
Q = 50
Q = 100
Q = 150
Q = 200
Q = 250
Q = 300
180
100
80
120
200
360
2
270
150
80
80
150
270
3
360
200
120
80
100
180
Suppose Ike's Bikes is currently producing 50 bikes per month in its only factory. Its short-run average total cost is
$810 per bike.
Suppose Ike's Bikes is expecting to produce 50 bikes per month for several years. In this case, in the long run, it would choose to produce bikes using
three factories
Transcribed Image Text:4. 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.) Average Total Cost (Dollars per bike) Number of Factories Q = 50 Q = 100 Q = 150 Q = 200 Q = 250 Q = 300 180 100 80 120 200 360 2 270 150 80 80 150 270 3 360 200 120 80 100 180 Suppose Ike's Bikes is currently producing 50 bikes per month in its only factory. Its short-run average total cost is $810 per bike. Suppose Ike's Bikes is expecting to produce 50 bikes per month for several years. In this case, in the long run, it would choose to produce bikes using three factories
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 (SRATC,); 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.
400
360
SRATC,
320
280
240
SRATC,
200
160
SRATC,
120
80
LRATC
40
50
100
150
200
250
300
350
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 150 bikes per month
Between 150 and 200 bikes per month
More than 200 bikes per month
AVERAGE TOTAL COST(Dollars per bke)
Transcribed Image Text: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 (SRATC,); 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. 400 360 SRATC, 320 280 240 SRATC, 200 160 SRATC, 120 80 LRATC 40 50 100 150 200 250 300 350 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 150 bikes per month Between 150 and 200 bikes per month More than 200 bikes per month AVERAGE TOTAL COST(Dollars per bke)
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