Sophia Learning
Sophia: Perfect Competition
Through notes and related videos, students gain a basic understanding of market structures and the characteristics of firms that display perfect competition.
Khan Academy
Khan Academy: Perfect Competition Foundational Concepts
Practice what you have learned about the foundational ideas behind perfectly competitive markets, including the characteristics of a perfectly competitive market, profit-maximization, and graphs of perfectly competitive firms.
Khan Academy
Khan Academy: Perfect Competition and Why It Matters
Read about the economic ideal of perfect competition.
Khan Academy
Khan Academy: How Perfectly Competitive Firms Make Output Decisions
See examples of how perfectly competitive firms decide how much to produce.
Khan Academy
Khan Academy: Efficiency in Perfectly Competitive Markets
Why are perfectly competitive markets efficient?
Khan Academy
Khan Academy: Perfect Competition in the Short Run and Long Run
Practice what you've learned about perfect competition in the short run and the long run, including the firm's shut down rule and entering and exiting an industry.
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.
University of North Carolina
University of North Carolina: Perfect Competition
This site shows cost curves for a firm in a perfectly competitive market, and has an interactive graph to show what their profit margin is at various levels of production.
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.
Other
South Western Learning: Econ News: Comparative Statics: Perfect Competition
This site offers economics-based newspaper headlines and asks follow-up questions based on supply and demand in a perfectly competitive market.
Other
South Western Learning: Econ News: Perfect Competition
This site offers a variety of economics-related newspaper headlines in perfectly competitive markets, and each headline offers discussion questions related to that topic.
Tutor2u
Tutor2u: Perfect Competition Introduction
This website describes the conditions of a "perfectly competitive" market structure, and the obstacles that the individual firm in this market will face.
Khan Academy
Khan Academy: Imperfect Competition
Practice what you have learned about the difference between perfect competition and different forms of imperfect competition in this exercise.
Khan Academy
Khan Academy: Profit Maximizing Behavior in Perfectly Competitive Factor Markets
Practice what you have learned about the way firms choose the optimal use of inputs in this four-question exercise.
Other
Elemental Economics: Review of Basic Definitions: Competition
This site provides a good description of the four types of market structures: perfect competition, monopolistic competition, oligopoly, and monopoly, along with the major characteristics of each.
Annenberg Foundation
Annenberg Learner: Economics U$a: 21st Century Edition
A micro and macroeconomics course for 21st century learners. 28 half-hour videos sessions with text and guides regarding markets, firms, supply and demand, perfect competition and inelastic demand, economic efficiency, monopolies,...
Curated OER
Perfect Competition
This site shows costs curves for a firm in a perfectly competitive market, and has an interactive graph to show what their profit margin is at various levels of production.
Other
A Simple Seller Environment
This site offers a description of a price taker and the characteristics in this sellers' market structure. The price taker is examined in both the short run and the long run.
Khan Academy
Khan Academy: Increasing, Decreasing, and Constant Cost Industies
Practice what you have learned about the effect of economies of scale on cost and prices in this exercise.
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