The Wealth of Nations, in full An Inquiry into the Nature and Causes of the Wealth of Nations, work by the Scottish economist and philosopher Adam Smith, first published in 1776, that became a foundational study in the history of economics and the first formulation of a comprehensive system of political economy. Despite its renown as the first great work of political economy, The Wealth of Nations is in fact a continuation of a philosophical theme begun in an earlier work by Smith, The Theory of Moral Sentiments (1759). The ultimate problem to which Smith addresses himself is how the...