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  2. Perfect competition - Wikipedia

    en.wikipedia.org/wiki/Perfect_competition

    Only in the short run can a firm in a perfectly competitive market make an economic profit. Economic profit does not occur in perfect competition in long run equilibrium; if it did, there would be an incentive for new firms to enter the industry, aided by a lack of barriers to entry until there was no longer any economic profit. [11]

  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. Market power - Wikipedia

    en.wikipedia.org/wiki/Market_power

    The degree of market power firms assert in different markets are relative to the market structure that the firms operate in. There are four main forms of market structures that are observed: perfect competition , monopolistic competition , oligopoly , and monopoly . [ 11 ]

  5. Competition (economics) - Wikipedia

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

    Monopolistic competition exists in-between monopoly and perfect competition, as it combines elements of both market structures. Within monopolistic competition market structures all firms have the same, relatively low degree of market power; they are all price makers, rather than price takers.

  6. Barriers to entry - Wikipedia

    en.wikipedia.org/wiki/Barriers_to_entry

    The distinguishing characteristic of a duopoly is a market featuring solely two firms. Competition in a duopoly can vary due to what is being set in the market: price or quantity (see Cournot competition and Bertrand competition). It is generally agreed that a duopoly will feature higher barriers to entry than an oligopoly, as firms within a ...

  7. Theory of the firm - Wikipedia

    en.wikipedia.org/wiki/Theory_of_the_firm

    The theory of the firm consists of a number of economic theories that explain and predict the nature of the firm, company, or corporation, including its existence, behaviour, structure, and relationship to the market. [1] Firms are key drivers in economics, providing goods and services in return for monetary payments and rewards.

  8. Free entry - Wikipedia

    en.wikipedia.org/wiki/Free_entry

    Supposing that everyone in a market for a good has access to the same technology used for production of the good and can access the same market where inputs for the production can be bought to ensure a homogenous good and a perfect competition. In such a scenario all firms have in the market and all firms that can potentially enter the market ...

  9. Oligopsony - Wikipedia

    en.wikipedia.org/wiki/Oligopsony

    One example of an oligopsony in the world economy is cocoa, where three firms (Cargill, Archer Daniels Midland, and Barry Callebaut) buy the vast majority of world cocoa bean production, mostly from small farmers in third-world countries.