Ricardo's discovery of comparative advantage revisited: a critique of Ruffin's account

Abstract

In an influential paper, Ruffin has attempted to reconstruct the circumstances of Ricardo's discovery of the law of comparative advantage. Ruffin's paper has inspired a number of further contributions on the precise nature, logical structure, and analytical significance of Ricardo's formulation of the law of comparative advantage. This paper re-examines Ruffin's reconstruction, and in particular his interpretation of Ricardo's three letters of October 1816 and suggests that it lacks textual and contextual support.