Chapter 9 -- Preferential Trading Arrangements
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Transcript of Chapter 9 -- Preferential Trading Arrangements
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Chapter 9 -- Preferential Trading Arrangements
• INTERNATIONAL ECONOMICS,ECO 486
• Nearly all of the 130 WTO member countries belong to one (or more) of the 109 PTAs recognized by the WTO.
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Customs Union versus Free Trade Area
• Members of a Customs Union (CU) adopt common trade policies with non-members– Common external tariff, open borders
• Members of a Free Trade Area (FTA) maintain independent trade policies with non-members– Rules of origin combat “trade deflection”
• Common market -- factors to move freely
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Benefits
• Successful CU raises incomes of members • Political (e.g., the Germans & the French)• Trade should expand (e.g., intra-EU trade
doubled)• Welfare effects of a customs union (CU) are
measured in terms of trade creation and trade diversion
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Trade creation versus diversion
• Trade creation– Production effect (Viner) – Consumption effect (Meade)– Sum (Johnston)
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Trade Creating Customs Union
• Small country A forms a CU with country B• B is the low-cost producer of good X.• Trade creation (production effect) occurs as
some of A’s production is replaced by lower cost imports from another CU member– Initially, A has a $10 tariff on imports from B– Once removed, domestic production falls
• From 50 to 10 bu/yr.
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Trade Creating CU (continued)
15
0 10
b
DA
SA
a
Quantity (bushels of grapes per year)
Pric
e ($
per
bus
hel o
f gr
apes
)
SB10
30
c
20
25
SB + tariff
d
50 70 100 120 140 160
Trade creation (production)
Trade creation (consumption)
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Country A’s Welfare Change Trade Creating CU
Change in Consumer Surplus
+a +b +c +d
Change in Producer Surplus -a
Change in Gov't Revenue -c
Net Welfare Change +b +d
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Trade Diverting Customs Union
• Small country A forms a CU with country C• B is low-cost producer, not C• Trade diversion occurs as lower-cost imports from
B are replaced by higher-cost imports from C– A removes its tariff on imports from C, but not B– A’s imports from B are diverted to C– Some trade is created:
• Domestic production falls from 50 to 30 bu/yr• Consumption rises from 120 to 140 bu/yr
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Welfare Cost of a CU
15
0 10
DA
SA
Quantity (bushels of grapes per year)
Pric
e ($
per
bus
hel o
f gr
apes
)
SB10
30
SC
20
25 SC + tariff
SB + tariff
50 70 100 120 140 160
Trade creation: production
Trade creation: consumption
Trade diversion
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Country A’s Welfare ChangeCustoms Union
Change in Consumer Surplus
+a +b +c +d
Change in Producer Surplus -a
Change in Gov't Revenue -c -e
Net Welfare Change +b +d -e
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Dynamic Benefits of a CU
• Increased competition– Producers must cut costs and innovate
• Economies of scale– Although small country producers can exploit
economies of scale by exporting• Stimulus to investment
– “tariff factories” e.g., massive investment by US firms in Europe to avoid being excluded from this market
• Recent studies indicate dynamic gains are 5 to 6 times the static gains
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CU is a “second-best” policy
• The best policy for a small country is to unilaterally eliminate all trade barriers
• A large country such as the US worsens its terms of trade (ToT) as it expands its imports
• US must balance the benefits of unilateral elimination of trade barriers with ToT effects– unilateral elimination is also politically difficult
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Building Blocks or Stumbling Blocks?
• Does CU and FTA formation speed trade liberalization?
• Or does this process retard multi-lateral trade liberalization?
• Strong disagreement on this question!
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Building Blocks or Stumbling Blocks?
• “Best of both regimes?”– Trading blocs strive to eliminate external as
well as internal trade barriers and easily admit new members.
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Conditions that favor trade creation (rather than diversion)
• Higher per-CU trade barriers• Lower post-CU trade barriers with ROW• Greater economic size• Competitive members versus
complementary members• Geographic proximity• Greater pre-CU trade among members
Source Salvatore, 6th edition.