What do prices in a free market tell us?
Correct answer
Answer C: Scarcity and the balance between supply and demand.
Quick explanation
Prices arise from supply and demand. They can indicate how strongly a good is demanded and how limited the available supply is.
Detailed explanation
A price summarizes information about the terms on which buyers and sellers trade. If many people demand a good and little of it is supplied, the price may rise. The price can thus signal scarcity relative to demand.
This signal can change decisions: buyers consider alternatives, and suppliers consider whether they can provide more. This does not guarantee an immediate adjustment. Production, delivery times and available resources limit how quickly supply can change.
A high price does not measure how morally important or personally valuable a good is. Nor does it explain on its own why scarcity arose. Understanding a market requires looking at price, supply and demand together.
Example or everyday application
After a poor harvest, fewer apples are supplied. If demand remains high, their price rises. Some buyers choose other fruit; suppliers respond as far as their capabilities allow.
Key takeaway
Prices can reveal scarcity and demand.


