As the differences in opportunity costs between the U.S. and its trading partners increase, the potential gains from specialization and trade __.
As the differences in opportunity costs between the U.S. and its trading partners increase, the potential gains from specialization and trade __.
A.become unpredictable
B.decrease
C.stay the same
D.increase
正确答案：increase
Tag：微观经济学 中国大学MOOC微观经济学
时间：2021-12-11 14:26:59