Ricardo, David
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
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Religious Studies, Education, Psychology, History, Literature, Philosophy, Entire Library
...stockbroker and was so skillful in the management of his affairs that within five years...book he presented most of his important theories, especially those concerned with the...produce it. According to his labor theory of value, a clock costing $100 required...trade, and for that he developed the theory of comparative advantage, still widely...