Principles of Political Economy and Taxation is the title of a book by David Ricardo on ecomonics. The book is an analysis that concluded land rent grows as population increases. It also clearly laid out the theory of comparative advantage, which showed that all nations could benefit from free trade, even if a nation was less efficient at producing all kinds of goods than its trading partners. A book is a collection of leaves of paper, parchment or other material, bound together along one edge within covers. ... David Ricardo (April 18, 1772 — September 11, 1823), a British political economist, is often credited with systematizing economics, and was one of the most influential of the classical economists. ... In economics, land comprises all naturally occurring resources, such as geographical locations, mineral deposits, and even portions of the electromagnetic spectrum. ... In economics, the theory of comparative advantage explains why it can be beneficial for two countries to trade, even though one of them may be able to produce every kind of item more cheaply than the other. ... Free trade is an economic concept referring to the selling of products between countries without tariffs or other trade barriers. ...

In the preface, Ricardo claimed that Turgot, Stuart, Adam Smith, Jean-Baptiste Say, Sismondi, and others had not written enough "satisfactory information" on the topics of rent, profit, and wages. Principles of Political Economy was ostensibly Ricardo's effort to fill that gap in the economics literature. Regardless of whether the book achieved that goal, it did "secure", according to Ronald Max Hartwell, Ricardo's position among the great classical economists Smith, Thomas Robert Malthus, John Stuart Mill, and Karl Heinrich Marx. Anne-Robert-Jacques Turgot, Baron de Laune, often referred to as Turgot (May 10, 1727 – March 18, 1781), was a French statesman and economist. ... Adam Smith Adam Smith (June 5, 1723 – July 17, 1790) was a Scottish political economist and moral philosopher. ... Jean-Baptiste Say (January 5, 1767 - November 15, 1832) was a French economist and businessman. ... The Rev. ... John Stuart Mill (May 20, 1806 – May 8, 1873), aka JS Mill, an English philosopher and political economist, was an influential liberal thinker of the 19th century. ... Karl Marx Karl Marx (May 5, 1818 – March 14, 1883) was an influential German philosopher, political economist, and revolutionary organizer of the International Workingmens Association. ...

Some of this article's content is derived from the Wikipedia article "David Ricardo". Wikipedia is a Web-based, free-content encyclopedia, which is written collaboratively by volunteers. ... David Ricardo (April 18, 1772 — September 11, 1823), a British political economist, is often credited with systematizing economics, and was one of the most influential of the classical economists. ...

External links

• On the Principles of Political Economy and Taxation (http://www.econlib.org/library/Ricardo/ricP.html), by David Ricardo. Complete, fully-searchable text at the Library of Economics and Liberty.
• Biography (http://www.econlib.org/library/Enc/bios/Ricardo.html) of David Ricardo, at the Concise Encyclopedia of Economics