PBS
Pbs Frontline: The Columbian Cartels
This article describes some of the world's most well-known cartels, the Columbian drug cartels.
![Us Department of Justice: Antitrust Enforcement and the Consumer [Pdf] Activity](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Us Department of Justice: Antitrust Enforcement and the Consumer [Pdf] Activity")
US Department of Justice
Us Department of Justice: Antitrust Enforcement and the Consumer [Pdf]
This article outlines how the Antitrust Division of the Department Of Justice works for and protects the typical American consumer.
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
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
Antitrust Report: Department of Justice Amnesty Program Takes Another Turn
This article looks at whether, once a company or individual has been offered amnesty in cases such as price fixing or collusion, can the Justice Department reverse their offer of amnesty? (4/1/2005)
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)
Wikimedia
Wikipedia: Collusion
Provides a definition and many examples of collusion, along with obstacles facing a successful collusive agreement.
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.