Economics 20th Edition by Campbell McConnell ,Stanley Brue ,Sean Flynn

Exercise 4

FIGURE 9.8 The average-total-cost curve: unlimited number of plant sizes. If the number of possible plant sizes is very large, the average-total-cost curve approximates a smooth curve. Economies of scale, folby diseconomies of scale, cause the curve to be U-shaped.
The ATC curve is often called the firm's:
A) planning curve.
B) capital-expansion path.
C) total-product curve.
D) production possibilities curve.