There are three main claims in the paper: first, there is sufficient evidence for affirming that Ricardo adhered to Smith's productivity theory second, Ricardo's original demonstration of the comparative- advantage proposition is indeed compatible and complementary with respect to the latter;...

The so-called Ricardian trade model of contemporary economic textbooks is not a rational reconstruction of Ricardo's famous numerical example in chapter seven of the Principles. It differs from the latter in terms of the definition of the four numbers, relevant cost comparison, rule for...

David Ricardo indicated in his famous numerical example in the Principles that it would be advantageous to Portugal to import English cloth made by 100 men, although it could have been produced locally with the labor of only 90 Portuguese men. As the production of the cloth required less...