Alternative Organization More Imperfect Competition Prisoner's Dilemma The site www.econlib.org has a large collection of documents and educational resources for economics. Here is a concise but detailed explanation of the prisoners' dilemma and its implications http://www.econlib.org/library/Enc/PrisonersDilemma.html More Prisoner's Dilemma Here is another expanation of the prisoner's dilemma, and the site contains a number of examples of how it can be used to explain real events: http://www.spectacle.org/995/pd.html Theory of Few Sellers This short piece on oligopoly contains the key points on the topic: http://www.tutor2u.net/economics/content/topics/monopoly/oligopoly_notes.htm Hotelling's Model This site has a description of a classroom game that illustrates the logic of Hotelling's model: http://www.marietta.edu/~delemeeg/expernom/Fall2002/eber.html Monopolistic Competition Wikipedia has an adequate explanation of monopolistic competition: http://en.wikipedia.org/wiki/Monopolistic_competition   Web ingrimayne.com These links were checked on May 27, 2007 Copyright Robert Schenk