Ricardo wantah sané kapertama nginggilang miwah sané percaya ring pamineh saking keuntungan komparatif, manut saking panegara sané makarya spesialisasi ring produksi miwah ekspor barang punika sané ngawinang prabéya produksi sané alitan, timbangang yéning wantah saking asiki genah produksi.
Ricardo was the first to state and prove the principle of comparative advantage, according to which each country should specialise in producing and exporting goods in that it has a lower relative cost of production, rather relying only on its own production.