Question

what does elasticity measure in economics?
o how the amount of a good changes when the producer hires more employees
o how the amount of a good changes when the producer uses new materials
o how the amount of a good changes when its price goes up or down
o how the amount of a good changes when its distribution expands

Explanation:

In economics, elasticity measures the responsiveness of the quantity demanded or supplied of a good to a change in its price. It shows how much the quantity changes when the price goes up or down.

Answer:

how the amount of a good changes when its price goes up or down