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  2. 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 ...

  3. Imperfect competition - Wikipedia

    en.wikipedia.org/wiki/Imperfect_competition

    In economics, imperfect competition refers to a situation where the characteristics of an economic market do not fulfil all the necessary conditions of a perfectly competitive market. Imperfect competition causes market inefficiencies, resulting in market failure . [ 1 ]

  4. 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]

  5. Microeconomics - Wikipedia

    en.wikipedia.org/wiki/Microeconomics

    Imperfect competition is a type of market structure showing some but not all features of competitive markets. In perfect competition, market power is not achievable due to a high level of producers causing high levels of competition. Therefore, prices are brought down to a marginal cost level.

  6. The Economics of Imperfect Competition - Wikipedia

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

    Book VI: Monopsony - This book shifts the focus to the perspective of an individual buyer. It analyzes prices from the point of view of a monopsonist, a single buyer facing multiple sellers. It introduces definitions and considerations related to the buyer's position and examines the relationship between monopoly, monopsony, and perfect ...

  7. 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 ...

  8. New Keynesian economics - Wikipedia

    en.wikipedia.org/wiki/New_Keynesian_economics

    The greater the degree of imperfect competition in the output market, the lower the real wage and hence the more the reduction falls on leisure (i.e. households work more) and less on consumption. Hence the fiscal multiplier is less than one, but increasing in the degree of imperfect competition in the output market. [23]

  9. Fundamental theorems of welfare economics - Wikipedia

    en.wikipedia.org/wiki/Fundamental_theorems_of...

    The first states that in economic equilibrium, a set of complete markets, with complete information, and in perfect competition, will be Pareto optimal (in the sense that no further exchange would make one person better off without making another worse off). The requirements for perfect competition are these: [1]