For 10 points, name this English economist, the formulator of the theory of comparative advantage.
He outlined his theory of distribution of the things that can be produced by landlords, workers, and owners of capital in his Principles of Political Economy and Taxation. He believed that workers' income remains at the subsidence level despite government intervention; that theory is the Iron Law of Wages.  Another of his theories states that even if one country can produce everything more efficiently than another country, it should not hinder free trade between the countries. For 10 points, name this English economist, the formulator of the theory of comparative advantage.
He outlined his theory of distribution of the things that can be produced by landlords, workers, and owners of capital in his Principles of Political Economy and Taxation.
David {Ricardo}