9 March 1776
An Inquiry Into the Nature and Causes of the Wealth of Nations
An Inquiry into the Nature and Causes of the Wealth of Nations, generally referred to by its shortened title, The Wealth of Nations, is the magnum opus of the Scottish economist and moral philosopher Adam Smith. First published in 1776, it is a reflection on economics at the beginning of the Industrial Revolution and argues that free market economies are more productive and beneficial to their societies. The book is considered to be the foundation of modern economic theory.