For a nation to have a comparative advantage in a good it must have:

Question

Quizplus · Accepted Answer

A nation has a comparative advantage in a good if it can produce that good at a lower opportunity cost than other nations. This means that the nation gives up less of other goods to produce the good in question. It is not necessary for the nation to have more or better resources, or a straight-line production possibilities curve, although these factors may contribute to its ability to produce the good at a lower opportunity cost.

For a Nation to Have a Comparative Advantage in a Good