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  2. Perfect competition - Wikipedia

    en.wikipedia.org/wiki/Perfect_competition

    Perfect competition provides both allocative efficiency and productive efficiency: Such markets are allocatively efficient, as output will always occur where marginal cost is equal to average revenue i.e. price (MC = AR). In perfect competition, any profit-maximizing producer faces a market price equal to its marginal

  3. 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 ...

  4. Contestable market - Wikipedia

    en.wikipedia.org/wiki/Contestable_market

    [example needed] The more contestable a market is, the closer it will be to a perfectly contestable market. Some economists argue that determining price and output is actually dependent not on the type of market structure (whether it is a monopoly or perfectly competitive market) but on the threat of competition.

  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. 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.

  7. 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.

  8. Walrasian auction - Wikipedia

    en.wikipedia.org/wiki/Walrasian_auction

    The auctioneer provides for the features of perfect competition: perfect information and no transaction costs. The process is called tâtonnement , or groping , relating to finding the market clearing price for all commodities and giving rise to general equilibrium .

  9. Bertrand competition - Wikipedia

    en.wikipedia.org/wiki/Bertrand_competition

    Bertrand competition is a model of competition used in ... Bertrand's model of price competition leads to a perfect competitive outcome. [7] ... For example, it ...