chapter 9 the political economy of trade policy. -2 the case for free trade national welfare...
TRANSCRIPT
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Chapter 9The Political Economy of Trade Policy
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The Case for Free Trade National Welfare Arguments against Free Trade Income Distribution and Trade Policy International Negotiations and Trade Policy
Kernel of the Chapter
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Introduction
Free trade maximizes national welfare, but it is associated with income distributional effects.• Most governments maintain some form of restrictive
trade policies.
• This chapter examines some of the reasons governments either should not or do not base their policy on economists’ cost-benefit calculations.
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Introduction
What reasons are there for governments not to interfere with trade?
– Free trade and efficiency
– Economies of scale in production
– Political argument
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Free Trade and Efficiency• In the case of a small country, free trade is the best
policy.
The Case for Free Trade
World priceplus tariffWorld price
Price, P
Quantity, Q
S
D
Consumptiondistortion
Productiondistortion
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Additional Gains from Free Trade• Protected markets in small countries do not allow firms
to exploit scale economies.
• The presence of scale economies favors free trade that generates more varieties and results in lower prices.
• Free trade, as opposed to “managed” trade, provides a wider range of opportunities and thus a wider scope for innovation.
The Case for Free Trade
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Political Argument for Free Trade• Trade policies in practice are dominated by special-
interest politics rather than consideration of national costs and benefits.
The Case for Free Trade
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Activist trade policies can sometimes increase the welfare of the nation as a whole.
two theoretical arguments against the policy of free trade:• The terms of trade argument for a tariff
• The domestic market failure
National Welfare Arguments Against Free Trade
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The Terms of Trade Argument for a Tariff• For a large country a tariff generates a terms of trade
benefit.
• It is possible that the terms of trade benefits of a tariff outweigh its costs.
National Welfare Arguments Against Free Trade
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1
National welfare
Tariff rateOptimumtariff, to
Prohibitivetariff rate, tp
Figure 9-2: The Optimum Tariff
National Welfare Arguments Against Free Trade
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• Optimum tariff– The tariff rate that maximizes national welfare
– It is always positive but less than the prohibitive rate that would eliminate all imports.
– It is zero for a small country because it cannot affect its terms of trade.
National Welfare Arguments Against Free Trade
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The Domestic Market Failure Argument Against Free Trade• Producer and consumer surplus do not properly
measure social costs and benefits.– Unemployment or underemployment
– Technological spillovers
– Environmental externalities
• A tariff may raise welfare if there is a marginal social benefit to production of a good
National Welfare Arguments Against Free Trade
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c
a b
S1
S1
S2
S2
D2 D1
PW + tPW
Price, P
Quantity, Q
Dollars
Quantity, Q
S
D
(a)
(b)
Figure 9-3: The Domestic Market Failure Argument for a Tariff
National Welfare Arguments Against Free Trade
Marginal socialbenefit
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• The domestic market failure argument against free trade is based on
– The theory of the second best – If one market fails to work properly, a government
intervention may actually increase welfare.
National Welfare Arguments Against Free Trade
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How Convincing Is the Market Failure Argument?– Domestic distortions should be corrected with domestic
policies.– Example: A domestic production subsidy is superior to a tariff
in dealing with a production-related market failure.
– Market failures are hard to diagnose and measure.– Example: A tariff to protect urban industrial sectors will
generate social benefits, but it will also encourage migration to these sectors that will result in higher unemployment.
National Welfare Arguments Against Free Trade
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In practice, trade policy is dominated by income distribution considerations.
Electoral Competition
• Political scientists argue that policies are determined by competition among political parties that try to attract as many votes as possible.
Income Distribution and Trade Policy
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• Assumptions of the model:– There are two competing political parties.
– The objective of each party is to get elected.
– Each party has to decide on the level of the tariff imposed (this is the only policy available).
– Voters differ in the tariff they prefer.
• What policies will the two parties promise to follow?– Both parties will offer the same policy consisting of the
tariff that the median voter (the voter who is exactly halfway up the lineup) prefers.
Income Distribution and Trade Policy
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Voters
Preferred tariff rate
Median voter
tM
tB
tA
Political support
Income Distribution and Trade Policy
Figure 9-4: Political Competition
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Collective Action• This approach views political activity as a public
good.
• Trade policies that impose total large losses that are spread among many individual firms or consumers may not face opposition.
Income Distribution and Trade Policy
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Modeling the Political Process• Interest groups “buy” policies by offering
contributions contingent on the policies followed by the government.
Income Distribution and Trade Policy
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Who Gets Protected?• Two sectors seem to get protected in advanced
countries:– Agriculture
– Clothing
Income Distribution and Trade Policy
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International Negotiations and Trade Policy
International integration has increased from the mid-1930s until about 1980 because the United States and other advanced countries gradually removed tariffs and nontariff barriers to trade.
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Figure 9-5: The U.S. Tariff Rate
International Negotiations and Trade Policy
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The postwar liberalization of trade was achieved through international negotiation?
The Advantages of Negotiation• It is easier to lower tariffs :
– mobilize exporters to support freer trade.
– help governments avoid getting caught in destructive trade wars
International Negotiations and Trade Policy
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JapanJapan
U.S.U.S.
1010
1010
-5-5
-5-5
2020
-10-10
2020
-10-10
Free tradeFree trade
Free tradeFree trade
ProtectionProtection
ProtectionProtection
Table 9-3: The Problem of Trade Warfare
International Negotiations and Trade Policy
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International Trade Agreements: A Brief History• Internationally coordinated tariff reduction as a trade
policy dates back to the 1930s (the Smoot-Hawley Act).
• The multilateral tariff reductions under the General Agreement on Tariffs and Trade (GATT),
International Negotiations and Trade Policy
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• The GATT-WTO system prohibits the imposition of: – Export Subsidies
– Import quotas
– Tariffs
• Trade round– A large group of countries get together to negotiate a set
of tariff reductions and other measures to liberalize trade.
International Negotiations and Trade Policy
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• Eight trade rounds have occurred since 1947:– The first five of these took the form of “parallel”
bilateral negotiations (e.g., Germany with France and Italy).
– The sixth multilateral trade agreement, known as the Kennedy Round, was completed in 1967:
International Negotiations and Trade Policy
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– The 1979 Tokyo round :– Reduced tariffs
– New codes for controlling the proliferation of nontariff barriers, such as VER’s.
– An eighth round of negotiations, the so-called Uruguay Round, was competed in 1994.
International Negotiations and Trade Policy
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The Uruguay Round– Trade liberalization
– Administrative reforms
Trade Liberalization• The average tariff imposed by advanced countries
decreased by almost 40%.– More important is the move to liberalize trade in two
important sectors: agricultural and clothing.
International Negotiations and Trade Policy
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How different is the WTO from the GATT?– The GATT was a provisional agreement,
– The GATT applied only to trade in goods.
– The WTO has a new “dispute settlement” procedure
International Negotiations and Trade Policy
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Benefits and Costs• The economic impact of the Uruguay Round is
difficult to estimate.– The costs of the Uruguay Round will be felt by well-
organized groups, while much of the benefit will accrue to diffuse populations.
International Negotiations and Trade Policy
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Preferential Trading Agreements• preferential trading agreements under which
they lower tariffs with respect to each other but not the rest of the world.
• The GATT-WTO prohibits such agreements.– The formation of preferential trading agreements is
allowed if they lead to free trade between the agreeing countries.
International Negotiations and Trade Policy
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• Free trade can be established among several WTO members as follows:
– A free trade area
– A customs union.
– A common market
International Negotiations and Trade Policy
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Are preferential trading agreements good?– Trade creation
– Occurs when the formation of a preferential trading agreement leads to replacement of high-cost domestic production by low-cost imports from other members.
– Trade diversion – Occurs when the formation of a preferential trading
agreement leads to the replacement of low-cost imports from non members with higher-cost imports from member nations.
International Negotiations and Trade Policy