Natural monopoly: related pages
Monopoly
A market in which there is only one supplier of a product or service.
Duopoly
A market dominated by two suppliers to the extent that they jointly control prices.
Monopsony
A market in which there are multiple suppliers but only one buyer.
Oligopoly
Where an oligopoly exists, a few large suppliers dominate the market resulting in a high degree of market concentration.
Barriers to entry
Anything that makes it difficult for a new entrant to break into a market.
Network effects
Effects which cause the value of a product to its consumers to increase if it is more widely used.
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