PBS
Pbs Learning Media: Declining Profits
In this video from Wide Angle, learn about the farmers of Vidarbha in central India who have seen a loss in profits due to the high cost of borrowing money and the low prices for their crops in a globalized market.
Other
Online Texts: Monopolistic Competition: Demand Change
This site uses graphs to show how changes in demand would change a firm's output, price, and profits or losses in a monopolistically competitive market structure.
Other
Egwald Web Services: Imperfect Competition Models: Monopolistic Competition
This site provides an in-depth examination of monopolistic competition, along with appropriate levels of output, price, and corresponding profits. This site is for the advanced student of economics.
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.
Other
East Tennessee State University: Explicit and Implicit Costs
This resource provides a good example of the differences between explicit costs and implicit costs using the ownership of a pizza restaurant as an example.
Sophia Learning
Sophia: Making Decisions
Notes and a video clip provide students with an introduction to the idea of marginal analysis and of how consumers and producers make decisions.
Council for Economic Education
Econ Ed Link: Baseball Economics 201
Some believe our national pastime may be threatened by the big market, high revenue teams like the Yankees (or the New York Mets, Chicago Cubs, Boston Red Sox, etc.) and that smaller market teams (e.g., the Florida Marlins, San Diego...
Khan Academy
Khan Academy: Explicit and Implicit Costs and Accounting and Economic Profit
There are different ways of thinking about costs and profit. Read about what they are and answer the review questions.
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: Types of Profit
Practice what you have learned about economic and accounting profit in this four-question exercise.
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.
Curated OER
Monopolistically Competitive Firm in Long Run Equilibrium
This site uses interactive graphs to show how changes in demand would change a firm's output, price, and profits or losses in a monopolistically competitive market structure.