a. increases the relative price of the L-intensive commodity b. reduces the relative price of the K-intensive commodity c. reduces the relative price of the L-intensive commodity d. any of the above
6. Technical progress that increases the productivity of L proportionately more than the
productivity of K is called:
a. capital saving b. labor saving c. neutral
d. any of the above
7. A 50 percent productivity increase in the production of commodity Y:
a. increases the output of commodity Y by 50 percent b. does not affect the output of X
c. shifts the production frontier in the Y direction only d. any of the above
8. Doubling L with trade in a small L-abundant nation:
a. reduces the nation's social welfare b. reduces the nation's terms of trade c. reduces the volume of trade d. all of the above
9. Doubling L with trade in a large L-abundant nation:
a. reduces the nation's social welfare b. reduces the nation's terms of trade c. increases the volume of trade d. all of the above
10. If, at unchanged terms of trade, a nation wants to trade more after growth, then the
nation's terms of trade can be expected to:
a. deteriorate b. improve
c. remain unchanged d. any of the above
11. A proportionately greater increase in the nation's supply of labor than of capital is likely
to result in a deterioration in the nation's terms of trade if the nation exports:
a. the K-intensive commodity b. the L-intensive commodity c. either commodity d. both commodities
12. Technical progress in the nation's export commodity:
a. may reduce the nation's welfare b. will reduce the nation's welfare c. will increase the nation's welfare
d. leaves the nation's welfare unchanged
13. Doubling K with trade in a large L-abundant nation:
a. increases the nation's welfare
b. improves the nation's terms of trade c. reduces the volume of trade d. all of the above
14. An increase in tastes for the import commodity in both nations:
a. reduces the volume of trade b. increases the volume of trade
c. leaves the volume of trade unchanged d. any of the above
15. An increase in tastes of the import commodity of Nation A:
a. will reduce the terms of trade of Nation A b. will increase the terms of trade of Nation A c. will reduce the terms of trade of Nation B
d. any of the above
Multiple-choice Questions Ch.8（已学，可参考）
1. Which of the following statements is incorrect?
a. An ad valorem tariff is expressed as a percentage of the value of the traded
commodity
b. a specific tariff is expressed as a fixed sum of the value of the traded commodity.
c. export tariffs are prohibited by the U.S. Constitution d. The U.S. uses exclusively the specific tariff
2. A small nation is one:
a. which does not affect world price by its trading
b. which faces an infinitely elastic world supply curve for its import commodity
b. whose consumers will pay a price that exceeds the world price by the amount of the tariff
d. all of the above
3. If a small nation increases the tariff on its import commodity, its:
a. consumption of the commodity increases b. production of the commodity decreases c. imports of the commodity increase d. none of the above
4. The increase in producer surplus when a small nation imposes a tariff is measured by the area:
a. to the left of the supply curve between the commodity price with and without the tariff
b. under the supply curve between the quantity produced with and without the tariff
c. under the demand curve between the commodity price with and without the tariff
d. none of the above.
5. If a small nation increases the tariff on its import commodity:
a. the rent of domestic producers of the commodity increases b. the protection cost of the tariff decreases c. the deadweight loss decreases d. all of the above
6. Which of the following statements is incorrect with respect to the rate of effective
protection?
a. for given values of ai and ti, g is larger the greater is t b. for a given value of t and ti, g is larger the greater is ai
c. g exceeds, is equal to or is smaller than t, as ti is smaller than, is equal to or is
larger than t
d. when aiti exceeds t, the rate of effective protection is positive
7. With ai=50%, ti=0, and t=20%, g is:
a. 40% b. 20% c. 80% d. 0
8. The imposition of an import tariff by a small nation:
a. increases the relative price of the import commodity for domestic producers and
consumers
b. reduces the relative price of the import commodity for domestic producers and consumers
c. increases the relative price of the import commodity for the nation as a whole
d. any of the above is possible
9. The imposition of an import tariff by a small nation:
a. increases the nation's welfare b. reduces the nation's welfare
c. leaves the nation's welfare unchanged d. any of the above is possible
10. According to the Stolper-Samuelson theorem, the imposition of a tariff by a nation:
a. increases the real return of the nation's abundant factor b. increases the real return of the nation's scarce factor c. reduces the real return of the nation's scarce factor d. any of the above is possible
11. The imposition of an import tariff by a nation results in:
a. an increase in relative price of the nation's import commodity
b. an increase in the nation's production of its importable commodity c. reduces the real return of the nation's abundant factor d. all of the above
12. The imposition of an import tariff by a nation can be represented by a rotation of the:
a. nation's offer curve away from the axis measuring the commodity of its comparative
advantage
b. the nation's offer curve toward the axis measuring the commodity of its comparative advantage
c. the other nation's offer curve toward the axis measuring the commodity of its
comparative advantage
d. the other nation's offer curve away from the axis measuring the commodity of its
comparative advantage
13. The imposition of an import tariff by a large nation:
a. increases the nation's terms of trade b. reduces the volume of trade