基礎ECON-INTA-001
According to the law of comparative advantage, a country should specialise in producing goods for which it has:
A. The lowest absolute production cost
B. The lowest opportunity cost✓ 答案
C. The highest labour productivity
D. The most natural resources
解說
Comparative advantage is based on lower opportunity cost, not absolute cost. A country can have comparative advantage even if it's less efficient in absolute terms (Ricardo's classic example).