[单选]Which of the following statements is not correct?
A. Trade allows for specialization.
B. Trade has the potential to benefit all nations.
C. Trade allows nations to consume outside of their production possibilities curves.
D. Absolute advantage is the driving force of specialization.
查看答案
[单选]When each person specializes in producing the good in which he or she has a comparative advantage, total production in the economy
A. falls.
B. stays the same.
C. rises.
D. may fall, rise, or stay the same.
[单选]For two individuals who engage in the same two productive activities, it is impossible for one of the two individuals to
A. have a comparative advantage in both activities.
B. have an absolute advantage in both activities.
C. be more productive per unit of time in both activities.
D. gain from trade with each other.
[单选]If Iowa’s opportunity cost of corn is lower than Oklahoma’s opportunity cost of corn, then
A. Iowa has a comparative advantage in the production of corn.
B. Iowa has an absolute advantage in the production of corn.
C. Iowa should import corn from Oklahoma.
D. Oklahoma should produce just enough corn to satisfy its own residents’ demands.
[单选]一个目前不与其他国家进行贸易的国家可以通过以下哪种方式获益
A. 限制进口促进出口。
B. 促进进口,限制出口。
C. 限制进口和出口。
D. 不限制贸易。
微信支付 
支付宝支付