market structures how does competition affect your choices? mrs. bradley economics
TRANSCRIPT
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Market StructuresHow does competition affect
your choices?
Mrs. BradleyEconomics
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Perfect Competition
• Four characteristics1. Many buyers and sellers in the market.2. Sellers offer standardized products (products
that are nearly the same).3. Buyers and sellers must be well-informed.4. Sellers must easily be able to get into and out of
the market.
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Terms to know
• Perfect competition: a market structure in which a large number of firms all produce the same product, and no single seller controls supply or prices.
• Commodity: a product, such as petroleum or milk, that is considered the same no matter who produces or sells it
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Terms
• Barrier to entry: any factor that makes it difficult for a new firm to enter a market.
• What businesses have a lot of barriers?
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Imperfect Competition
• Barriers to entry can lead to imperfect competition.
• Imperfect competition: any market structure besides perfect competition
• What factors prevent firms from entering a market?
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Start-up Costs
• The costs that a new business must pay before it can open are called start-up costs.
• High start-up costs make it difficult to enter a market.
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Technology
• How does technology prevent firms from entering the market?– Training costs– Machinery– Computers
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Perfect competition…
• … keeps prices and production costs low.
• BUT does perfect competition exist???
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Monopoly
• …not the game.• A monopoly is a market in which a single seller
has control.
• A drug that only one company produces.• A toy that only one company produces.
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Three characteristics of a monopoly
• 1. There is only one seller.• 2. There are no close substitutions.• 3. Getting into and out of the market is
difficult.
• Can you think of some examples of monopolies?
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Economies of scale
The factors that cause a producer’s average cost per unit to fall as more units are produced.
Monopolies have economies of scale. lower production costslower cost loanscheaper raw materials
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Government Monopoly
• .. A monopoly created by the government.
• How? By limiting competition through– Granting patents– Granting copyrights
– Protecting ingenuity inspires people to create.– Other people can’t steal their work.
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Monopolies use ….
• Price discrimination: charging different consumers different prices.– This type of pricing creates more sales – those
who are willing to pay the high price and those who can only afford the lower price.
– Other companies besides monopolies use price discrimination.
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Market Power
• The ability of a company to control prices and total market output.
• Monopolies definitely have it…..
– BUT so do other companies.
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Limits to price discrimination
• Price discrimination requires 3 conditions:1. Some market power2. Distinct customer groups3. Difficult resale: so people can buy low and resell
at a higher price.
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Monopolistic Competition
• Many companies compete to sell products that are almost the same.– Jeans, cereals, shoes, restaurants
– Can you think of any examples?
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Conditions necessary for monopolistic competition
• 1. Many firms• 2. Few barriers to entry• 3. Little control over price• 4. Differentiated products
– Differentiation: making a product different from other, similar products
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Nonprice Competition
• A way to attract customers through style, service or location, but not a lower price.
• There are four forms of nonprice competitions.
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Nonprice Competition
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More factors
• Service Level:– Better service attracts and keeps customers.
• Advertising:– Firms advertise because it works.
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Oligopoly
• A market structure in which a few large firms dominate a market.– 1. Few sellers in the market. (cereals, soft drinks,
major appliances)– 2. A nearly standardized product• If one company comes out with a new flavor, others
soon copy. What’s an example of this?
– 3. Difficulty entering the market• Usually because start-up costs are very high.
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How do oligopolies control the market?
• Prices depend on what the other sellers do.• Sometimes oligopolies break the law by trying
to control prices.– Collusion: a secret agreement among competing
firms to cooperate with one another.– Price fixing: an agreement among firms to sell at
the same or very similar prices.– Cartels: a formal organization of producers that
agree to coordinate prices and production
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ILLEGAL!
• Price fixing and cartels are against the law in the United States!
– But not in other countries. What is the most well-known cartel?
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Regulation and Deregulation
• Sometimes the government regulates competition.
• Besides price fixing, some firms have used predatory pricing to drive other firms out of the market.
• Predatory pricing: selling a product below cost for a short period of time to drive competitors out of the market.
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Government protects competition
• People demanded protection from big companies.– Sherman Antitrust Act 1890
• Trust: an illegal grouping of companies that discourages competition.
• Antitrust laws: laws that encourage competition in the marketplace.
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Antitrust laws exist…
• .. To break up monopolies.• AT & T -- was the only phone company at one
time
• Merger: when two or more companies join to form a single firm.
• The government can BLOCK mergers if a monopoly will result.
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Deregulation
• … the removal of some government controls over a market.
Occurred in the late 1970’s and 1980’s.
Mixed success.Airlines: lower prices, poorer service
Cable television: higher prices