A perfectly inelastic demand curve
A)has a price elasticity coefficient greater than unity.
B)has a price elasticity coefficient of unity throughout.
C)graphs as a line parallel to the vertical axis.
D)graphs as a line parallel to the horizontal axis.

Question

Quizplus · Accepted Answer

A perfectly inelastic demand curve is represented graphically as a vertical line, indicating that the quantity demanded does not change regardless of the price. This is why it graphs as a line parallel to the vertical axis.

A Perfectly Inelastic Demand Curve