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Texas Education Agency
Texas Gateway: The Production Possibilities Frontier and Social Choices
By the end of this section, you will be able to interpret production possibilities frontier graphs, contrast a budget constraint and a production possibilities frontier, explain the relationship between a production possibilities...
Other
The Production Possibilities Frontier
This site shows an good example of opportunity costs along with related production possibilities curves.
Khan Academy
Khan Academy: Lesson Summary: Introduction to Macroeconomics
This article summarizes the learning objectives and essential knowledge for the lesson on Scarcity. Here you will find key terms, key concepts, common misperceptions, and discussion questions to help you review what you have learned....