The Budget, on Commercial and Colonial Policy: With an Introduction in which the Deductive Method as Presented in Mr. Mill's System of Logic is Applied to the Solution of Some Controverted Questions in Political Economy

Torren's most widely recognized contribution to commercial trade theory was his modification of the doctrine that a regime of free international trade is necessarily optimally advantageous for individual countries. "This abrogation of the classical Ricardian [free trade] doctrine ... survived to modern times as a genuine qualification of the theory." M. Blaug Great Economists Before Keynes