When the price goes down,the quantity demanded goes up.The price elasticity of demand measures:

A) how much the price goes down.
B) how much the equilibrium price goes up.
C) the responsiveness of the price change to an income change.
D) the responsiveness of the quantity change to the price change.

Price Elasticity

An indicator of the sensitivity in the quantity of a good demanded when its price fluctuates.

Quantity Demanded

The total amount of a good or service that consumers are willing and able to purchase at a given price in a given period.

Price Change

A variation in the cost of goods or services over time, either increasing or decreasing based on market conditions.