Which of the following does NOT represent a possible shape of the long-run average cost curve?
A) downward-sloping
B) upward-sloping
C) U-shaped
D) vertical
Answer: vertical
Which of the following does NOT represent a possible shape of the long-run average cost curve?
A) downward-sloping
B) upward-sloping
C) U-shaped
D) vertical
Answer: vertical