Econoclass
What's Wrong With This Picture?
A variety of pictures are provided to help study many economic concepts. Could be a good classroom activity.
Econoclass
Econoclass: The Law of Unintended Consequences
In this series of short "headlines", each has a direct goal, but each also has an unintended externality or spillover.
Auburn University
Auburn University: A Glossary of Political Economy Terms: Externality
Dr. Johnson offers a very good description of an externality, both positive and negative, and explains how taxes and subsidies can provide the greatest amount of utility to society when confronted with an externality.
Council for Economic Education
Econ Ed Link: Marketplace: Doing Business in Afghanistan
In May 2002, delegates from governments, international companies, and financial institutions met at a United Nations conference in Tehran to discuss the reconstruction of Afghanistan. Afghanistan's officials say that to create a viable...
Other
The Ludvig Von Mises Institute: The "Externalities" Argument
This article provides an inquiry into the meaning of an externality, and why it is important to the study of economics. (Published October 27, 2003)
Council for Economic Education
Econ Ed Link: Clean Land Thanks to Us! (Educator Page)
In this lesson about the EPA, students will find out that their government pays for goods and services by taxing people and companies.
Auburn University
Auburn University: A Glossary of Political Economy Terms: Public Goods Defined
This site is an excellent explanation of the economic concept of public goods. The Auburn University site is part of a dictionary of political economic terms.
Council for Economic Education
Econ Ed Link: Green Eggs and Economics?
Economic concepts are often found in places students have never considered, like children's literature. In this instructional activity, students will explore the various economic concepts addressed in five of Dr. Seuss' most popular...
Council for Economic Education
Econ Ed Link: New Sense, Inc. Vs. Fish 'Till U Drop or Coase vs. Pigou
Hot debate and arguments galore whirl around this question: "Which economic approach is the most efficient and fair to resolve utility issues surrounding the use of common or public property?" This lesson will explore, examine and...
Council for Economic Education
Econ Ed Link: Why Cities Provide Tax Breaks
Like the state and federal government, local governments offer tax incentives to businesses to help solve economic and/or environmental problems. In this lesson, students will explore three different cities and determine what incentives...
Khan Academy
Khan Academy: The Economics of Pollution
Pollution is an example of a negative externality. Despite the gradual reduction in emissions from fossil fuels, many important environmental issues remain. Along with the still-high levels of air and water pollution, other issues...
Khan Academy
Khan Academy: Externalities: Foundational Concepts
Practice what you have learned about identifying externalities and using graphs to identify both market equilibrium and socially optimal outcomes in this exercise.
Khan Academy
Khan Academy: Externalities
Practice what you've learned about positive externalities and negative externalities in this exercise.
Khan Academy
Khan Academy: Positive Externalities of Innovation
Innovation often benefits many people, not just the person or company that innovated.
Other
South Western Learning: Econ News: Externalities, Market Failure, Public Choice
This study guide distinguishes between positive and negative externalities and how to correct negative externalities. Some learning exercises and an online quiz are also provided.