【单选题】In the figure given below AB is the production-possibility curve of Canada. In the absence of trade, the price ratio is 1 bushel of wheat/bale of cotton as shown by the line PQ. The international pric...
【单选题】Suppose that Portugal requires 4 days of labor to produce 1 unit of wine and 6 days of labor to produce 1 unit of clothing, while England requires 8 days of labor to produce 1 unit of wine and 12 days...
A.
Portugal has a comparative advantage over England in producing wine.
B.
England has a comparative advantage over Portugal in producing clothing.
C.
Portugal has an absolute advantage over England in producing wine.
D.
England has an absolute advantage over Portugal in producing clothing.
【判断题】Much of American trade policy has depended on the happenstance of cotton being the original source of the Virginia colony’s economic survival in the 1600s.