Khan Academy
Khan Academy: Market Equilibrium
The actual price you see in the world is a balancing act between supply and demand.
Khan Academy
Khan Academy: Aggregate Demand and Aggregate Supply Curves
This article explains how the concepts of supply and demand can be applied to the economy as a whole. Includes examples of an aggregate demand curve and an aggregate supply curve, and review questions at the end.
Khan Academy
Khan Academy: What Factors Change Demand?
Read about factors, besides price, that affect a quantity that is demanded. This resource is designed for students who are taking a college-level microeconomics course.
Khan Academy
Khan Academy: What Factors Change Supply?
Read about about the many factors that affect the quantity supplied. This resource is designed for students who are taking a college-level microeconomics course.
Khan Academy
Khan Academy: Law of Demand
If the price of something goes up, people are going to buy less of it.
Khan Academy
Khan Academy: Law of Supply
If the price of something goes up, companies are willing (and able) to produce more of it.