A) In the short run, the typical firm increases its output and makes an above normal
profit.
B) In the short run, the typical firm’s output remains the same but because of the higher
price, its profit increases.
C) In the short run, the typical firm increases its output but its total cost also rises,
resulting in no change in profit.
D) In the short run, the typical firm increases its output but its total cost also rises.
Hence, the effect on the firm’s profit cannot be determined without more information.
A demand curve which is ________ represents perfectly inelastic demand, and a
demand curve which is ________ represents inelastic demand.
A) downward sloping; vertical
B) horizontal; downward sloping
C) vertical; downward sloping
D) upward sloping; horizontal
Figure 4-1