MOOC 国际经济学1（国际贸易）(山东大学)1464046164 最新慕课完整章节测试答案
Chap. 3
quiz3
1、单选题：
Which of the following is not a reason for increasing opportunity costs:
选项：
A: technology differs among nations
B: factors of production are not homogeneous
C: factors of production are not used in the same fixed proportion in the production of all commodities
D: for the nation to produce more of a commodity, it must use resources that are less and less suited in the production of the commodity
答案: 【 technology differs among nations】
2、单选题：
The marginal rate of substitution (MRS) of X for Y in consumption refers to the:
选项：
A: amount of X that a nation must give up for one extra unit of Y and still remain on the same indifference curve
B: amount of Y that a nation must give up for one extra unit of X and still remain on the same indifference curve
C: amount of X that a nation must give up for one extra unit of Y to reach a higher indifference curve
D: amount of Y that a nation must give up for one extra unit of X to reach a higher indifference curve
答案: 【 amount of Y that a nation must give up for one extra unit of X and still remain on the same indifference curve】
3、单选题：
Nation 1's share of the gains from trade will be greater:
选项：
A: the greater is nation 1's demand for nation 2's exports
B: the closer Px/Py with trade settles to nation 2's pretrade Px/Py
C: the weaker is nation 2's demand for nation 1's exports
D: the closer Px/Py with trade settles to nation 1's pretrade Px/Py
答案: 【 the closer Px/Py with trade settles to nation 2's pretrade Px/Py】
4、单选题：
A production frontier that is concave from the origin indicates that the nation incurs increasing opportunity costs in the production of:
选项：
A: commodity X only
B: commodity Y only
C: both commodities
D: neither commodity
答案: 【 both commodities】
5、单选题：
Community indifference curves:
选项：
A: are negatively sloped
B: are convex to the origin
C: should not cross
D: all of the above
答案: 【 all of the above】
6、单选题：
With free trade under increasing costs：
选项：
A: neither nation will specialize completely in production
B: at least one nation will consume above its production frontier
C: a small nation will always gain from trade
D: all of the above
答案: 【 all of the above】
7、单选题：
Which of the following is not true for a nation that is in equilibrium in isolation?
选项：
A: it consumes inside its production frontier
B: it reaches the highest indifference curve possible with its production frontier
C: the indifference curve is tangent to the nation's production frontier
D: MRT of X for Y equals MRS of X for Y, and they are equal to Px/Py
答案: 【 it consumes inside its production frontier】
8、单选题：
Which of the following statements is true with respect to the MRS of X for Y：
选项：
A: It is given by the absolute slope of the indifference curve
B: declines as the nation moves down an indifference curve
C: rises as the nation moves up an indifference curve
D: all of the above
答案: 【 all of the above】
9、单选题：
If the internal Px/Py is lower in nation 1 than in nation 2 without trade:
选项：
A: nation 1 has a comparative advantage in commodity Y
B: nation 2 has a comparative advantage in commodity X
C: nation 2 has a comparative advantage in commodity Y
D: none of the above
答案: 【 nation 2 has a comparative advantage in commodity Y】
10、单选题：
Which of the following statements about community indifference curves is true?
选项：
A: They are entirely unrelated to individuals' community indifference curves
B: they cross, they cannot be used in the analysis
C: the problems arising from intersecting community indifference curves can be overcome by the application of the compensation principle
D: all of the above.
答案: 【 the problems arising from intersecting community indifference curves can be overcome by the application of the compensation principle】
Test
1、单选题：
With free trade under increasing costs:
选项：
A: neither nation will specialize completely in production
B: at least one nation will consume above its production frontier
C: a small nation will always gain from trade
D: all of the above
答案: 【 all of the above】
2、单选题：
A production frontier that is concave from the origin indicates that the nation incurs increasing opportunity costs in the produ