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  2. Contestable market - Wikipedia

    en.wikipedia.org/wiki/Contestable_market

    Contestable markets are characterized by "hit and run" competition; if a firm in a contestable market raises its prices so as to begin to earn excess profits, potential rivals will enter the market, hoping to exploit the high price for easy profit. When the original incumbent firm(s) respond by returning prices to levels consistent with normal ...

  3. Monopoly - Wikipedia

    en.wikipedia.org/wiki/Monopoly

    Market definition may be difficult to measure but is important because if it is defined too narrowly, the undertaking may be more likely to be found dominant and if it is defined too broadly, the less likely that it will be found dominant.

  4. Market (economics) - Wikipedia

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

    National economies can also be classified as developed markets or developing markets. In mainstream economics, the concept of a market is any structure that allows buyers and sellers to exchange any type of goods, services and information. The exchange of goods or services, with or without money, is a transaction. [1]

  5. History of microeconomics - Wikipedia

    en.wikipedia.org/wiki/History_of_microeconomics

    In 1982 paper [30] Baumol defined a contestable market as a market where "entry is absolutely free and exit absolutely costless", freedom of entry in Stigler sense: the incumbent has no cost discrimination against entrants. He states that a contestable market will never have an economic profit greater than zero when in equilibrium and the ...

  6. Competition (economics) - Wikipedia

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

    Examples of close-to-perfect markets typically include share and foreign exchange markets while the real estate market is typically an example of a very imperfect market. In such markets, the theory of the second best proves that, even if one optimality condition in an economic model cannot be satisfied, the next-best solution can be achieved ...

  7. Zero-profit condition - Wikipedia

    en.wikipedia.org/wiki/Zero-profit_condition

    According to the theory of contestable markets, if few enough firms are in the industry so that one would expect positive economic profits, the prospect of other firms entering the market may cause firms in the industry to set prices as if those other firms were already in the market; thus actual entry by those firms is not necessary for the ...

  8. 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]

  9. Market economy - Wikipedia

    en.wikipedia.org/wiki/Market_economy

    The social market economic model, sometimes called Rhine capitalism, is based upon the idea of realizing the benefits of a free-market economy, especially economic performance and high supply of goods while avoiding disadvantages such as market failure, destructive competition, concentration of economic power and the socially harmful effects of ...