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  2. Oligopoly - Wikipedia

    en.wikipedia.org/wiki/Oligopoly

    A full oligopoly is one in which a price leader is not present in the market, and where firms enjoy relatively similar market control. A partial oligopoly is one where a single firm dominates an industry through saturation of the market, producing a high percentage of total output and having large influence over market conditions.

  3. Market power - Wikipedia

    en.wikipedia.org/wiki/Market_power

    An oligopoly may engage in collusion, either tacit or overt to exercise market power and manipulate prices to control demand and revenue for a collection of firms. A group of firms that explicitly agree to affect market price or output is called a cartel , with the organization of petroleum-exporting countries ( OPEC ) being one of the most ...

  4. Market structure - Wikipedia

    en.wikipedia.org/wiki/Market_structure

    Firms have partial control over the price as they are not price takers (due to differentiated products) or Price Makers (as there are many buyers and sellers). [5] Oligopoly refers to a market structure where only a small number of firms operate together control the majority of the market share. Firms are neither price takers or makers.

  5. Imperfect competition - Wikipedia

    en.wikipedia.org/wiki/Imperfect_competition

    A special type of Oligopoly, where two firms have exclusive power and control in a market. Both companies produce the same type of product and no other company produces the same or alternative product. The goods produced are circulated in only one market, and no other company intends to enter the market. The two companies have a lot of control ...

  6. Bertrand–Edgeworth model - Wikipedia

    en.wikipedia.org/wiki/Bertrand–Edgeworth_model

    In microeconomics, the Bertrand–Edgeworth model of price-setting oligopoly looks at what happens when there is a homogeneous product (i.e. consumers want to buy from the cheapest seller) where there is a limit to the output of firms which are willing and able to sell at a particular price. This differs from the Bertrand competition model ...

  7. Conjectural variation - Wikipedia

    en.wikipedia.org/wiki/Conjectural_variation

    In oligopoly theory, conjectural variation is the belief that one firm has an idea about the way its competitors may react if it varies its output or price. The firm forms a conjecture about the variation in the other firm's output that will accompany any change in its own output.

  8. Markov perfect equilibrium - Wikipedia

    en.wikipedia.org/wiki/Markov_perfect_equilibrium

    For examples of this equilibrium concept, consider the competition between firms which have invested heavily into fixed costs and are dominant producers in an industry, forming an oligopoly. The players are taken to be committed to levels of production capacity in the short run, and the strategies describe their decisions in setting prices.

  9. Bertrand paradox (economics) - Wikipedia

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

    In these alternative models of oligopoly, a small number of firms earn positive profits by charging prices above cost. Suppose two firms, A and B, sell a homogeneous commodity, each with the same cost of production and distribution, so that customers choose the product solely on the basis of price. It follows that demand is infinitely price ...