Competing in a Free Market
Competing
in a Free Market
What are the four types of market structure?
One of the characteristics of a
free-market system is that suppliers have the right to compete with one
another. The number of suppliers in a market defines the market
structure. Economists identify four types of market structures: perfect
competition, pure monopoly, monopolistic competition, and oligopoly.
Perfect Competition
Characteristics of perfect (pure) competition include:
·
A large number of small firms are in
the market.
·
The firms sell similar products;
that is, each firm’s product is very much like the products sold by other firms
in the market.
·
Buyers and sellers in the market
have good information about prices, sources of supply, and so on.
It is easy to open a new business or
close an existing one.
In a perfectly competitive market, firms sell their products
at prices determined solely by forces beyond their control. Because the
products are very similar and each firm contributes only a small amount to the
total quantity supplied by the industry, price is determined by supply and
demand. A firm that raised its price even a little above the going rate would
lose customers. In the wheat market, for example, the product is essentially
the same from one wheat producer to the next. Thus, none of the producers has
control over the price of wheat.
Perfect competition is the ideal market structure for both
businesses and consumers. No industry has perfect competition, but the stock
market and some agricultural markets, such as wheat and corn, come closest.
Farmers, for example, can sell all of their crops through national commodity
exchanges at the current market price.
Pure Monopoly
At the other end of the spectrum is pure monopoly,
the market structure in which a single firm accounts for all industry sales of
a particular good or service. The firm is the industry. This
market structure is characterized by barriers to entry—factors that
prevent new firms from competing equally with the existing firm. Often the
barriers are technological or legal conditions. Polaroid, for example, held
major patents on instant photography for years. When Kodak tried to market its
own instant camera, Polaroid sued, claiming patent violations. Polaroid
collected millions of dollars from Kodak. Another barrier may be one firm’s
control of a natural resource. DeBeers Consolidated Mines Ltd., for example,
controls most of the world’s supply of uncut diamonds.
Public utilities, such as gas and water companies, are pure
monopolies. Some monopolies are created by the government to outlaw
competition. Canada Post is currently one such monopoly.
Monopolistic
Competition
Three characteristics define the market structure known
as monopolistic competition:
·
Many firms are in the market.
·
The firms offer products that are
close substitutes but still differ from one another.
·
It is relatively easy to enter the
market.
Under monopolistic competition, firms take advantage of
product differentiation. Industries where monopolistic competition occurs
include clothing, food, and similar consumer products. Firms under monopolistic
competition have more control over pricing than do firms under perfect
competition because consumers do not view the products as perfect substitutes.
Nevertheless, firms must demonstrate product differences to justify their
prices to customers. Consequently, companies use advertising to distinguish
their products from others. Such distinctions may be significant or
superficial. For example, Nike says “Just Do It,” and Tylenol is advertised as
being easier on the stomach than aspirin.
Oligopoly
An oligopoly has two characteristics:
·
A few firms produce most or all of
the output.
·
Large capital requirements or other
factors limit the number of firms.
Boeing and Airbus Industries (aircraft manufacturers) and
Apple and Google (operating systems for smartphones) are major players in
different oligopolistic industries. With so few firms in an oligopoly, what one
firm does has an impact on the other firms. Thus, the firms in an oligopoly
watch one another closely for new technologies, product changes and
innovations, promotional campaigns, pricing, production, and other
developments. Sometimes they go so far as to coordinate their pricing and
output decisions, which is illegal.
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