If the demand curve is a vertical line, it means that
A) regardless of price, the quantity demanded is a constant amount.
B) regardless of quantity, the price is a constant amount.
C) the good is inferior.
D) the good has many substitutes.

Question

Quizplus · Accepted Answer

If the demand curve is a vertical line, it means that no matter what the price is, the quantity demanded will remain the same. This type of demand is called perfectly inelastic demand. It is often seen in goods that consumers can't easily do without (e.g. life-saving medicines).

If the Demand Curve Is a Vertical Line, It Means