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  2. Perfect competition - Wikipedia

    en.wikipedia.org/wiki/Perfect_competition

    Indeed, if everyone is price taker, there is the need for a benevolent planner who gives and sets the prices, in other word, there is a need for a "price maker". Therefore, it makes the perfect competition model appropriate not to describe a decentralized "market" economy but a centralized one.

  3. Market power - Wikipedia

    en.wikipedia.org/wiki/Market_power

    It compares a firm's price of output with its associated marginal cost where marginal cost pricing is the "socially optimal level" achieved in market with perfect competition. [41] Lerner (1934) believes that market power is the monopoly manufacturers' ability to raise prices above their marginal cost. [ 42 ]

  4. Market structure - Wikipedia

    en.wikipedia.org/wiki/Market_structure

    Perfect competition refers to a type of market where there are many buyers and sellers that feature free barriers to entry, dealing with homogeneous products with no differentiation, where the price is fixed by the market. Individual firms are price takers [3] as the price is set by the industry as a whole. Example: Agricultural products which ...

  5. 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]

  6. Microeconomics - Wikipedia

    en.wikipedia.org/wiki/Microeconomics

    In microeconomics, it applies to price and output determination for a market with perfect competition, which includes the condition of no buyers or sellers large enough to have price-setting power. For a given market of a commodity , demand is the relation of the quantity that all buyers would be prepared to purchase at each unit price of the good.

  7. Lerner index - Wikipedia

    en.wikipedia.org/wiki/Lerner_Index

    It means that there was a slight decrease in competition. Then, during 2006–2009, there was a decrease in the Lernex index. In 2010 the Lerner index significantly increased. The mean of the Lerner index computed for the full sample is 53.58 %, which do not confirm either monopoly or perfect competition in the credit market of Czech Republic.

  8. Monopoly price - Wikipedia

    en.wikipedia.org/wiki/Monopoly_price

    A monopoly is a price maker, not a price taker, meaning that a monopoly has the power to set the market price. [ 14 ] The firm in monopoly is the market as it sets its price based on their circumstances of what best suits them.

  9. Price discrimination - Wikipedia

    en.wikipedia.org/wiki/Price_discrimination

    For price discrimination to succeed, a seller must have market power, such as a dominant market share, product uniqueness, sole pricing power, etc. [9] Some prices under price discrimination may be lower than the price charged by a single-price monopolist. Price discrimination can be utilized by a monopolist to recapture some deadweight loss.