Curated OER
Oligopoly
Economics can be a competitive and, at times, devious subject. Learners work through a series of four worksheets to better understand oligopoly. Each sheet includes real-world scenarios, passages to read, graphs to analyze, and short...
Curated OER
Chapter 25: Monopolistic Competition and Oligopoly
Poring over the details and characteristics of monopolistic and oligopoly systems, these slides include charts, graphs, and key terms to help viewers truly grasp the concepts behind each market model. From budding economists to...
Curated OER
Chapter 23: Pure Competition
Taking your young economists through the characteristics of four market models (Pure Competition, Pure Monopoly, Oligopoly, and Monopolistic Competition), this presentation uses both charts and graphs to illustrate the necessary...
Curated OER
Different Types of Market Structure
In this economics worksheet, students complete a graphic organizer based on the four types of market structure. Students consider 6 characteristics of perfect competition, monopolistic competition, oligopoly, and monopoly as they...
Curated OER
From Monopolistic Competition to Oligopoly
For this From Monopolistic to Oligopoly worksheet, learners read a newspaper article about mergers then answer several questions about it.
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,...
Robert Schenk, PhD
Cyber Economics: The Theory of Few Sellers
An overview of monopoly, oligopoly and duopoly, focusing on the interdependence of firms in an oligopoly, shown through the use of a game tree how these firms are tempted towards the practice of collusion.
Wikimedia
Wikipedia: Oligopoly
Provides a definition and describes the characteristics of an oligopoly.
Wikimedia
Wikipedia: Cartel
This on-line encyclopedia provides the legal definition and examples of a cartel.
Other
Wright State U: Many Industries Are Congealing Into Lineup of Few Dominant Firms
This article examines the trend in many industries as mergers take place, leaving only a few dominant firms. As this changes, so does the role of government. (Published in the Wall Street Journal 03/08/1999)
Missouri State University
Missouri State University: Market Structure: Oligopoly
A good outline of course study on the topics of monopolistic competition, oligopoly, and anti-trust legislation.
Other
Egwald Web Services: Imperfect Competition Models: Differentiated Oligopoly
This site provides an in-depth study of a "differentiated oligopoly," and uses supporting graphs. For the advanced economics student.
Other
Marietta College: Umw: Oligopoly and Interdependence in the Classroom
This site provides an example of a game tree associated with firms in an oligopoly. This in-class experiment could be used to help study oligopolies, interdependence of firms, or collusion.
Other
Crikey: Shopping Mall Oligopoly Cops a Hit
This news article discusses how stores at an Australian shopping mall colluded in order to drive out a new competitor, along with reasons given by the judge. (Dec 19, 2004)
Khan Academy
Khan Academy: Oligopoly and Game Theory: Foundational Concepts
Practice what you've learned about oligopolies and the basics of game theory, such as Nash equilibrium, in this four-question exercise.
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.
Wikimedia
Wikipedia: Collusion
Provides a definition and many examples of collusion, along with obstacles facing a successful collusive agreement.
Tutor2u
Tutor2u: Oligopoly
This site lists the characteristics of an oligopoly, and discusses price competition, non-price competition, and price leadership.
Curated OER
The Prisoner's Dilemma and Duopoly
This site focuses on the interdependence of firms in an oligopoly, and shows through the use of a game tree how these firms are tempted towards the practice of collusion.