国贸模型大赏疑惑题库ch3
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Chapter 3
Labor Productivity and Comparative Advantage—The Ricardian Model
Multiple Choice Questions
6. Given the following information:
Unit Labor Requirements
Cloth Widgets
Home 10 20
Foreign 60 30
(a) Neither country has a comparative advantage.
(b) Home has a comparative advantage in cloth.
(c) Foreign has a comparative advantage in cloth.
(d) Home has a comparative advantage in widgets.
(e) Home has a comparative advantage in both products.
Answer: B
10. If the world equilibrium price of widgets were 4 Cloths, then
(a) both countries could benefit from trade with each other.
(b) neither country could benefit from trade with each other.
(c) each country will want to export the good in which it enjoys comparative advantage.
(d) neither country will want to export the good in which it enjoys comparative advantage.
(e) both countries will want to specialize in cloth.
Answer: A
11. Given the following information:
Number of Units Produced by one Unit of Labor
Cloth Widgets
Home 10 20
Foreign 60 30
(a) Neither country has a comparative advantage.
(b) Home has a comparative advantage in cloth.
(c) Foreign has a comparative advantage in cloth.
(d) Foreign has a comparative advantage in widgets.
Chapter 3 Labor Productivity and Comparative Advantage—The Ricardian Model 19
(e) Home has a comparative advantage in both products.
Answer: C
14. If the world equilibrium price of widgets were 4 Cloths, then
(a) both countries could benefit from trade with each other.
(b) neither country could benefit from trade with each other.
(c) each country will want to export the good in which it enjoys comparative advantage.
(d) neither country will want to export the good in which it enjoys comparative advantage.
(e) both countries will want to specialize in cloth.
Answer: A
20 Krugman/Obstfeld •Seventh Edition
15. If the world equilibrium price of widgets were 40 cloths, then
(a) both countries could benefit from trade with each other.
(b) neither country could benefit from trade with each other.
(c) each country will want to export the good in which it enjoys comparative advantage.
(d) neither country will want to export the good in which it enjoys comparative advantage.
(e) both countries will want to specialize in cloth.
Answer: A
16. In a two product two country world, international trade can lead to increases in
(a) consumer welfare only if output of both products is increased.
(b) output of both products and consumer welfare in both countries.
(c) total production of both products but not consumer welfare in both countries.
(d) consumer welfare in both countries but not total production of both products.
(e) None of the above
Answer: B
17. As a result of trade, specialization in the Ricardian model tends to be
(a) complete with constant costs and with increasing costs.
(b) complete with constant costs and incomplete with increasing costs.
(c) incomplete with constant costs and complete with increasing costs.
(d) incomplete with constant costs and incomplete with increasing costs.
(e) None of the above.
Answer: B
18. As a result of trade between two countries which are of completely different economic sizes,
specialization in the Ricardian 2X2 model tends to be
(a) incomplete in both countries
(b) complete in both countries
(c) complete in the small country but incomplete in the large country
(d) complete in the large country but incomplete in the small country
(e) None of the above
Answer: C