Please enable JavaScript.

Coggle requires JavaScript to display documents.

Politics (Netocracy (Swedish philosophers Alexander Bard and Jan…

- - - - Many media industries today are essentially oligopolies.
        
        Six movie studios receive almost 87% of American film revenues.[28]
        
        The television and high speed internet industry is mostly an oligopoly of seven companies: The Walt Disney Company, CBS Corporation, Viacom, Comcast, Hearst Corporation, Time Warner, and News Corporation.[29] See Concentration of media ownership.
        
        Four wireless providers (AT&T Mobility, Verizon Wireless, T-Mobile, Sprint Nextel) control 89% of the cellular telephone service market.[30] This is not to be confused with cellular telephone manufacturing, an integral portion of the cellular telephone market as a whole.
        
        Healthcare insurance in the United States consists of very few insurance companies controlling major market share in most states. For example, California's insured population of 20 million is the most competitive in the nation and 44% of that market is dominated by two insurance companies, Anthem and Kaiser Permanente.[31]
        
        In March 2012, the United States Department of Justice announced that it would sue six major publishers for price fixing in the sale of electronic books. The accused publishers are Apple, Simon & Schuster Inc, Hachette Book Group, Penguin Group, Macmillan, and HarperCollins Publishers.[32][33][34]
        
        Mergers among airlines have left the industry in the United States dominated by four main entities – Delta Air Lines, United Airlines, Southwest Airlines and American Airlines – which purposely do not compete on some air travel routes.[35]
        
        Transcontinental freight lines are vastly controlled by two railroads: Union Pacific Railroad and BNSF Railroad.
    - - The accountancy market is dominated by PriceWaterhouseCoopers, KPMG, Deloitte Touche Tohmatsu, and Ernst & Young (commonly known as the Big Four)[36]
        
        Three leading food processing companies, Kraft Foods, PepsiCo and Nestlé, together achieve a large proportion[vague] of global processed food sales. These three companies are often used as an example of "Rule of three",[37] which states that markets often become an oligopoly of three large firms.
        
        Boeing and Airbus have a duopoly over the airliner market.[38]
        
        General Electric, Pratt and Whitney and Rolls-Royce plc own more than 50% of the marketshare in the airliner engine market.
        
        Three credit rating agencies (Standard & Poor's, Moody's, and Fitch Group) dominate their market and extend their crucial importance into the financial sector. See Big Three (credit rating agencies).
        
        Nestlé, The Hershey Company and Mars, Incorporated together make most of the confectionery made worldwide.
        
        Intel and AMD are the only two major players in desktop CPU market worldwide.
        
        Microsoft, Sony, Valve, and Nintendo dominate the video game platform market.
        
        Nvidia and AMD together make most of the chips for discrete graphics.
        
        Aircraft tires is dominated by a four firm oligopoly that controls 85% of market share.[39]