The ______ theory proclaims that countries should specialize in producing goods for which they have the lowest opportunity cost of production.
a. global-factor
b. free-trade factor
c. factor proportions
d. comparative advantage
Answer: D
The ______ theory proclaims that countries should specialize in producing goods for which they have the lowest opportunity cost of production.
a. global-factor
b. free-trade factor
c. factor proportions
d. comparative advantage
Answer: D