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  2. Monopoly - Wikipedia

    en.wikipedia.org/wiki/Monopoly

    A pure monopoly has the same economic rationality of perfectly competitive companies, i.e. to optimise a profit function given some constraints. By the assumptions of increasing marginal costs, exogenous inputs' prices, and control concentrated on a single agent or entrepreneur, the optimal decision is to equate the marginal cost and marginal ...

  3. Monopolistic competition - Wikipedia

    en.wikipedia.org/wiki/Monopolistic_competition

    The company is able to collect a price based on the average revenue (AR) curve. The difference between the company's average revenue and average cost, multiplied by the quantity sold (Qs), gives the total profit. A short-run monopolistic competition equilibrium graph has the same properties of a monopoly equilibrium graph.

  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. Monopoly price - Wikipedia

    en.wikipedia.org/wiki/Monopoly_price

    [1] [2] A monopoly occurs when a firm lacks any viable competition and is the sole producer of the industry's product. [1] [2] Because a monopoly faces no competition, it has absolute market power and can set a price above the firm's marginal cost. [1] [2] The monopoly ensures a monopoly price exists when it establishes the quantity of the ...

  6. Perfect competition - Wikipedia

    en.wikipedia.org/wiki/Perfect_competition

    [14] [15] For example, the old AT&T (regulated) monopoly, which existed before the courts ordered its breakup, had to get government approval to raise its prices. The government examined the monopoly's costs to determine whether the monopoly should be able raise its price, and could reject the monopoly's application for a higher price if the ...

  7. Market power - Wikipedia

    en.wikipedia.org/wiki/Market_power

    A monopoly is considered a 'market failure' and consists of one firm that produces a unique product or service without close substitutes. Whilst pure monopolies are rare, monopoly power is far more common and can be seen in many industries even with more than one supplier in the market. [20]

  8. PG&E enjoys a near monopoly on energy. So why must its ...

    www.aol.com/pg-e-enjoys-near-monopoly-123000382.html

    But, as a natural monopoly, PG&E and other investor-owned utilities do not have to be for-profit entities. In fact, around California, there are over 40 publicly owned electric utilities that are ...

  9. Edgeworth paradox - Wikipedia

    en.wikipedia.org/wiki/Edgeworth_paradox

    To solve the Bertrand paradox, the Irish economist Francis Ysidro Edgeworth put forward the Edgeworth Paradox in his paper "The Pure Theory of Monopoly", published in 1897. [ 1 ] In economics , the Edgeworth paradox describes a situation in which two players cannot reach a state of equilibrium with pure strategies, i.e. each charging a stable ...