If sellers do not adjust their quantity supplied at all in response to a change in price,the price elasticity of supply is
A)zero,and the supply curve is horizontal.
B)zero,and the supply curve is vertical.
C)infinity,and the supply curve is horizontal.
D)infinity,and the supply curve is vertical.

Question

Quizplus · Accepted Answer

If sellers do not adjust their quantity supplied at all in response to a change in price, it means that the supply curve is perfectly inelastic, and the price elasticity of supply is zero. In this case, the curve is vertical, as the quantity supplied stays the same regardless of the price.

If Sellers Do Not Adjust Their Quantity Supplied at All