12. Use the concepts of economies and diseconomies of scale to explain the?
shape of a firm’s long-run ATC curve. What is the concept of minimum efficient scale? What bearing can the shape of the long-run ATC curve have on the structure of an industry?
Answer:
The long-run ATC curve is U-shaped. At first long-run ATC falls as the firm expands and realizes economies of scale from labor and managerial specialization and the use of more
efficient capital. The long-run ATC curve later turns upward when the enlarged firm experiences diseconomies of scale usually resulting from managerial inefficiencies.
The MES (minimum efficient scale) is the smallest level of output needed to attain all economies of scale and minimum long-run ATC.
If long-run ATC drops quickly to its minimum cost which then extends over a long range of output the industry will likely be composed of both large and small firms. If long-run ATC descends slowly to its minimum cost over a long range of output the industry will likely be composed of a few large firms. If long-run ATC curve drops quickly to its minimum point and then rises abruptly the industry will likely be composed of many small firms.
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Answer:
The long-run ATC curve is U-shaped. At first long-run ATC falls as the firm expands and realizes economies of scale from labor and managerial specialization and the use of more
efficient capital. The long-run ATC curve later turns upward when the enlarged firm experiences diseconomies of scale usually resulting from managerial inefficiencies.
The MES (minimum efficient scale) is the smallest level of output needed to attain all economies of scale and minimum long-run ATC.
If long-run ATC drops quickly to its minimum cost which then extends over a long range of output the industry will likely be composed of both large and small firms. If long-run ATC descends slowly to its minimum cost over a long range of output the industry will likely be composed of a few large firms. If long-run ATC curve drops quickly to its minimum point and then rises abruptly the industry will likely be composed of many small firms.
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