WAEC - Economics (2020 - No. 45)
The principle of comparative advantage encourages a country to
produce only consumer goods
engage in trade if it can produce a commodity at a lower cost
specializes in the production of all goods
try as much as possible to be self-sufficient
Forklaring
Comparative advantage is the edge a country has over its trading partners in the production of a particular good or service at a lower opportunity cost.