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  2. Imperfect competition - Wikipedia

    en.wikipedia.org/wiki/Imperfect_competition

    The imperfect theorists' perspective argues that policy based on assumptions of perfect competition is not effective as no market exists in purely perfectly competitive conditions. The argument for assuming perfect competition in economic decision making prevails on the widespread use of its logic, and the present lack of substantial and ...

  3. Perfect competition - Wikipedia

    en.wikipedia.org/wiki/Perfect_competition

    Imperfect competition was a theory created to explain the more realistic kind of market interaction that lies in between perfect competition and a monopoly. Edward Chamberlin wrote "Monopolistic Competition" in 1933 as "a challenge to the traditional viewpoint that competition and monopolies are alternatives and that individual prices are to be ...

  4. Market structure - Wikipedia

    en.wikipedia.org/wiki/Market_structure

    The correct sequence of the market structure from most to least competitive is perfect competition, imperfect competition, oligopoly, and pure monopoly. The main criteria by which one can distinguish between different market structures are: the number and size of firms and consumers in the market, the type of goods and services being traded ...

  5. Market power - Wikipedia

    en.wikipedia.org/wiki/Market_power

    "Perfect Competition" refers to a market structure that is devoid of any barriers or interference and describes those marketplaces where neither corporations nor consumers are powerful enough to affect pricing. In terms of economics, it is one of the many conventional market forms and the optimal condition of market competition. [12]

  6. Competition (economics) - Wikipedia

    en.wikipedia.org/wiki/Competition_(economics)

    Economists who believe that perfect competition is a useful approximation to real markets classify markets as ranging from close-to-perfect to very imperfect. Examples of close-to-perfect markets typically include share and foreign exchange markets while the real estate market is typically an example of a very imperfect market.

  7. Duopoly - Wikipedia

    en.wikipedia.org/wiki/Duopoly

    In 1838, Antoine Augustin Cournot published a book titled "Researches Into the Mathematical Principles of the Theory of Wealth" in which he introduced and developed this model for the first time. As an imperfect competition model, Cournot duopoly (also known as Cournot competition), in which two firms with identical cost functions compete with ...

  8. Perfect information - Wikipedia

    en.wikipedia.org/wiki/Perfect_information

    Chess is an example of a game of perfect information. In economics, perfect information (sometimes referred to as "no hidden information") is a feature of perfect competition. With perfect information in a market, all consumers and producers have complete and instantaneous knowledge of all market prices, their own utility, and own cost functions.

  9. The Economics of Imperfect Competition - Wikipedia

    en.wikipedia.org/wiki/The_Economics_of_Imperfect...

    The book discusses the views of Alfred Marshall and Arthur Cecil Pigou on competition and the theory of the firm. Marshall believed that competition was imprecise, with prices being influenced by the rise and fall of demand. He also used the analogy of trees in a forest to explain how firms grow and establish a monopoly.