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Monopoly
A monopoly means a
circumstance under which a single organization controls the supply of the
market for a commodity or service. When a single organization is the sole
purchaser of the commodity or service, it is known as a monopsony. A monopoly’s
power in the market allows it to charge excess prices and erect barriers to
entry of the market by potential competition.
The Sherman Antitrust Act and
other antitrust legislation, while not outlawing the existence of a monopoly,
prohibits many actions designed to create monopolies and carefully regulates
the behaviors of monopolies. For example, antitrust laws prohibit “predatory
pricing,” whereby strong players in the market reduce prices below cost to
drive competition out of the market.
Antitrust laws also allow for
the breaking up of certain monopolies, such as in the cases of Standard Oil and
AT&T. Nevertheless, some industries are subject to natural monopolies and
patents allow for limited time government-enforced monopolies in many cases.