Wikimedia
Wikipedia: Perfect Competition
This site provides a clear description of the requirements and conditions needed in a market for it to be labeled a perfectly competitive market. The topics of allocative efficiency and productive efficiency are also addressed.
Texas Education Agency
Texas Gateway: Chapter 2: Choice in a World of Scarcity: Key Terms
This is a list of key terms and definitions covered in Chapter 2: Choice in a World of Scarcity from the TEA AP Macroeconomics online text.
Khan Academy
Khan Academy: Lesson Overview: Consumer and Producer Surplus
This lesson introduced the basics of a branch of economics known as welfare economics, which is interested in how the allocation of resources affects well-being. The most important concepts used in welfare analysis are total surplus and...
Khan Academy
Khan Academy: Consumer and Producer Surplus and Allocative Efficiency
Practice what you've learned about consumer and producer surplus in this four-question exercise.
Khan Academy
Khan Academy: Efficiency and Perfect Competition
Practice what you have learned about productive efficiency and allocative efficiency in perfect competition in the short run and the long run.
Khan Academy
Khan Academy: Efficiency in Perfectly Competitive Markets
Why are perfectly competitive markets efficient?