If at a given moment, no matter what the price, producers cannot change the quantity supplied, the momentary supply
A) has infinite elasticity.
B) does not exist.
C) has unit elasticity.
D) has zero elasticity.

Question

Quizplus · Accepted Answer

When producers cannot change the quantity supplied regardless of the price, the supply is perfectly inelastic, which is represented by a vertical supply curve. This situation corresponds to zero elasticity because the percentage change in quantity supplied is zero for any percentage change in price.

If at a Given Moment, No Matter What the Price