Robert Schenk, PhD
Saint Joseph's College: Shortages and Surpluses
This site provides easy to understand examples of shortages and surpluses, and what each looks like on a supply and demand graph.
Khan Academy
Khan Academy: Market Equilibrium and Disequilibrium
Practice what you have learned about how a market generates an equilibrium price and quantity, and the cause of surpluses and shortages in this exercise.
Sophia Learning
Sophia: Prices and Equilibrium
Through a series of resources, students use the concept of demand and supply to explain how free market prices and quantities are established, define equilibrium, and understand the idea of shortage and surplus.
Robert Schenk, PhD
Saint Joseph's College: Supply and Demand Buyer Equilibrium
Summarizes buyer equilibrium. Then click Next button at the bottom to learn about seller equilibrium as well as shortages & surpluses.
Curated OER
A Surplus
This site provides easy to understand examples of shortages and surpluses, and what each looks like on a supply and demand graph.
Curated OER
A Shortage
This site provides easy to understand examples of shortages and surpluses, and what each looks like on a supply and demand graph.
Other
Net Mba Business Knowledge Center: Supply and Demand
This website offers a very simple yet helpful description and example of the interaction of supply and demand, and what will happen to price and quantity when one or both of your supply and demand curves shift. This would be a good place...
Council for Economic Education
Econ Ed Link: Supply and Demand, Lessons From Toy Fads.
The concepts of supply and demand and related terms are taught through stories about the toy fads of Hula Hoops and Silly Bandz. In 1958, Wham-O, Inc. began marketing the Hula Hoop in the United States and sales of the Hula Hoops...
Other
Classroom Clues: Children's Literature for Understanding Economics
How do you teach obscure economic concepts to younger elementary students? One way is through children's literature. This site has a large variety of children's picture books that teach various economic concepts such as supply and...
Curated OER
Maps Etc: Increasing Distance From Lumber Producers to Lumber Consumers, 1920
A map of the United States from the U. S. Department of Agriculture (1922) showing the increasing distance lumber had to travel to go from the production areas in the south and west to the consumption areas in the east. The map shows...