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Transcript
Chapter 7: Global Markets in Action
• Explain how international trade affects
markets
• Identify gains from trade, winners, and losers
• Explain effects of trade barriers
– Tariffs
– Quotas
• Consider arguments for/against
protectionism.
How Global Markets Work
• International Trade Today
– Global trade today is enormous.
– In 2013,
• global exports and imports were $23 trillion, which is one
third of the value of global production.
• total U.S exports were $2.3 trillion, which is about 14
percent of the value of U.S. production.
• In 2013, total U.S. imports were $2.7 trillion, which is about
17 percent of the value of total U.S. expenditure.
• Services were about 33 percent of total U.S. exports and
about 20 percent of total U.S. imports.
How Global Markets Work
• What Drives International Trade?
– The fundamental force that generates trade
between nations is comparative advantage.
– The basis for comparative trade is divergent
opportunity costs between countries.
How Global Markets Work
–Assume that the opportunity cost of producing a Tshirt is lower in China than in the U.S.
•China has a comparative advantage in producing T-shirts.
–Suppose the opportunity cost of producing an
airplane is lower in the U.S. than in China
• the U.S. has a comparative advantage in producing
airplanes.
–Both countries can reap gains from trade by
specializing in the production of the good at which
they have a comparative advantage and then trading.
–Both countries can gain from trade.
How Global Markets Work: Imports
U.S. demand and U.S.
supply with no
international trade.
The price of a T-shirt in
U.S. is $8.
U.S. firms produce
40 million T-shirts a year
and U.S. consumers buy
40 million T-shirts a year.
How Global Markets Work: Imports
Because U.S. does not have
comparative advantage in tshirts, world price < U.S.
price without trade.
With trade allowed,
•price of t-shirts drops to $5.
•U.S. production of t-shirts
drops
•U.S. consumption of tshirts rises
•Imports make up difference
between consumption and
production in U.S.
How Global Markets Work: Exports
Without trade allowed,
the price of an airplane in
U.S. is at $100 million.
Boeing produces 400
airplanes a year and U.S.
airlines buy 400 a year.
How Global Markets Work: Exports
Because U.S. has
comparative advantage in
planes, world price> U.S.
price without trade allowed.
Allowing trades causes:
•the price of an airplane to
rise to world price of $150
million.
•U.S. production increases
• U.S. consumption
decreases
• exports of airplanes
Winners, Losers, and the Net Gain from Trade
–International trade lowers the price of an imported
good
•Consumers of imported good are better off
•Sellers of imported good are worse off
–International trade raises the price of an exported
good
•Consumers of exported good are worse off
•Sellers of exported good are better off
–On net, is society better off with free trade?
Winners and Losers with Imports
• Consumers
surplus increases
by B+D
•Producers surplus
decreases by B
•On net, society
better off by D
Winners and Losers with Exports
• consumers surplus
decreases by B
•Producers surplus
increases by B+D
•On net, society better off
by D
International Trade Restrictions
– Governments restrict international trade to
protect domestic producers from competition.
– Governments use four sets of tools:
 Tariffs
 Import quotas
 Other import barriers
 Export subsidies
International Trade Restrictions
• Tariffs
– a tax on a good that is imposed by the importing
country when an imported good crosses its
international boundary.
– For example, if the government of India imposes a
100 percent tariff on wine imported from the United
States.
– So when an Indian wine merchant imports a $10
bottle of Ontario wine, he pays the Indian government
$10 import duty.
Effect of a $2 tariff on T-shirts
The tariff of $2 raises the
price in the United States
to $7.
U.S. imports decrease to
10 million a year.
U.S. government collects
the tax revenue of $20
million a year.
International Trade Restrictions
• Import Quotas
– a restriction that limits the maximum quantity of
a good that may be imported in a given period.
– For example, the United States imposes import
quotas on food products such as sugar and
bananas and manufactured goods such as textiles
and paper.
International Trade Restrictions
The import quota raises the
price of a T-shirt to $7 and
decreases imports.
Area B is transferred from
consumer surplus to
producer surplus.
Importers’ profit is the sum
of the two areas D.
The area C + E is the loss of
total surplus—a deadweight
loss created by the quota.
International Trade Restrictions
• Other Import Barriers
– Thousands of detailed health, safety, and other
regulations restrict international trade.
• Export Subsidies
Arguments for Protectionism
• The Infant-Industry Argument
– it is necessary to protect a new industry from import
competition to enable it to grow into a mature
industry that can compete in world markets.
– This argument is based on the concept of dynamic
competitive advantage, which can arise from learningby-doing.
– While learning-by-doing is a powerful engine of
productivity growth, some argue this does not justify
protection.
Arguments for Protectionism
The Dumping Argument
– Dumping occurs when a foreign firm sells its exports
at a lower price than its cost of production.
– This argument does not justify protection because
• It is virtually impossible to determine a firm’s costs.
• Hard to think of a global monopoly, so even if all domestic
firms are driven out, alternatives would still exist.
• If the market is truly a global monopoly, better to regulate it
rather than restrict trade.
Arguments for Protectionism
– Other common arguments for protection are that
it
• Saves jobs
– But costs jobs too.
• Allows us to compete with cheap foreign labor.
– But cheaper labor is less productive
• Penalizes lax environmental standards.
– But improved incomes tend to improve environmental standards
• Prevents rich countries from exploiting developing
countries.
– What is “exploitation”?
– Free trade will increase wages of workers in developing
countries.
The Case Against Protection
Why is trade restricted?
• Rent seeking: lobbying activities to collect “rents” from
trade protection.
• Widely dispersed costs(consumers)
• Concentrated benefits (producers)
• Lobbying is done by beneficiaries, not losers.