If the supply curve for a product is vertical, then the elasticity of supply is:
A)equal to zero.
B)equal to one.
C)greater than one but less than infinity.
D)equal to infinity.

Question

If the supply curve for a product is vertical, then the elasticity of supply is:
A)​equal to zero.
B)​equal to one.
C)​greater than one but less than infinity.
D)​equal to infinity.

Quizplus · Accepted Answer

A vertical supply curve indicates that the quantity supplied remains constant regardless of changes in price. This means that the percentage change in quantity supplied is zero, regardless of the percentage change in price. Therefore, the elasticity of supply is zero, because there is no responsiveness of quantity supplied to changes in price.

If the Supply Curve for a Product Is Vertical, Then