Changes in Supply and Demand

Read this article to learn more about how changes in supply and demand affect the market price equilibrium. Make sure to answer the "Try It" questions.

Glossary

demand:
the relationship between the price and the quantity demanded of a certain good or service

quantity demanded:
the total number of units of a good or service consumers are willing to purchase at a given price

quantity supplied: 
the total number of units of a good or service producers are willing to sell at a given price

shift in demand:
when a change in some economic factor (other than price) causes a different quantity to be demanded at every price

shift in supply: 
when a change in some economic factor (other than price) causes a different quantity to be supplied at every price

supply: 
the relationship between price and the quantity supplied of a certain good or service