The Figure Given Below Shows Three Short Run Average Total

The figure given below shows three Short Run Average Total Cost (SRATC) curves and the Long Run Average Total Cost (LRATC) curve of a firm.Figure 8.3

-Which of the following statements is true?

A) When long-run average total costs are increasing, the firm enjoys economies of scale.
B) Most industries exhibit long-run average costs that are shaped like an upside-down U.
C) Constant returns to scale occur when the short-run average-total-cost curve is horizontal.
D) When long-run average total costs are increasing, the firm has diseconomies of scale.
E) Constant returns to scale are never present in the real world.

Correct Answer:

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