基礎econ-u05-d01
A firm in perfect competition faces a demand curve that is:
A. Horizontal at the market price, because it is a price taker✓ 答案
B. Vertical at the market quantity
C. Steeper than a monopolist's demand curve
D. Downward sloping because the firm can raise its own price
解說
With many firms selling an identical product, each firm can sell any amount at the market price, so its own demand is perfectly elastic and price equals marginal revenue.