Ricardo was the first to state and prove the principle of comparative advantage, according to which each country should specialize in producing and exporting goods in that it has a lower relative cost of production, rather relying only on its own production.
Ricardo amos wa ezzaran allaɣen tolas isaduttat tisitaɣhal n tinfa togdaht, s addawla fuk inhajja addawla fuk a daɣ is ej teɣared daɣ tarrayt tan intaj d tasdir n ilalan daɣ wen tila alqim andarran n intaj ohun fella fal intaj n iman net