The price elasticity of demand measures how much

a. quantity demanded responds to a change in price.
b. quantity demanded responds to a change in income.
c. price responds to a change in demand.
d. demand responds to a change in supply.

Respuesta :

Answer:

a. quantity demanded responds to a change in price.

Explanation:

The price elasticity of demand measures the sensitivity of the quantity demanded to changes in the price. Demand is inelastic if it does not respond much to price changes, and elastic if demand changes a lot when the price changes.