Curated OER
Market Failures
Market failure and the effects it has in terms of social benefit is the focus of this eight-page packet. Perfect for homework, this set of excellent worksheets provides several scenarios and graphs that show positive and negative...
Curated OER
Externalities Worksheets
Explore economics with this resource on externalities, supply and demand, and third party costs. Learners answer questions, provide examples, analyze and change graphs, and make predictions about the impact of variables.
Library of Economics and Liberty
Concise Encyclopedia of Economics: Public Goods
This article describes the relationship between externalities, private and public goods, and government intervention.
Wikimedia
Wikipedia: Externality
Provides a definition and examples of an externality, both positive and negative, and the externality's effect on marginal private benefit and marginal social benefit.
Other
National Bureau of Economic Research: Measuring Positive Externalities [Pdf]
This research paper describes how the installation of an anti-theft device on cars has helped reduce crime in general in some areas. The concept of positive externalities can be seen in this example.