Milton Friedman (July 31, 1912 - November 16, 2006) was an American Nobel Laureate economist and public intellectual. He is best known among scholars for his theoretical and empirical research, especially consumption analysis, monetary history and theory, and for his demonstration of the complexity of stabilization policy.[1] A global public followed his restatement of a libertarian political philosophy that insisted on minimizing the role of government in favor of the private sector. As a leader of the Chicago School of economics, based at the University of Chicago, he had a widespread influence in shaping the research agenda of the entire profession. Friedman's many monographs, books, scholarly articles, papers, magazine columns, television programs, videos and lectures cover a broad range of topics in microeconomics, macroeconomics, economic history, and public policy issues. The Economist hailed him as "the most influential economist of the second half of the 20th century…possibly of all of it".[2]

Originally a Keynesian supporter of the New Deal and advocate of high taxes, in the 1950s his reinterpretation of the Keynesian consumption function challenged the basic Keynesian model. In the 1960s he promoted an alternative macroeconomic policy called monetarism. He theorized there existed a "natural rate of unemployment" and he argued the central government could not micromanage the economy because people would realize what the government was doing and shift their behavior to neutralize the impact of policies. He rejected the Phillips Curve and accurately predicted that Keynesian policies would cause "stagflation" (high inflation and low growth). He argued that a steady expansion of the money supply was the only wise policy, and warned against efforts by the treasury or central bank to do otherwise.

Influenced by his close friend George Stigler, Friedman opposed government regulation of all sorts. He once stated that his role in eliminating the U.S. conscription was his proudest accomplishment and his support for school choice led him to found The Friedman Foundation for Educational Choice. Friedman's political philosophy, which he considered classically liberal and libertarian, stressed the advantages of the marketplace and the disadvantages of government intervention and regulation, strongly influencing the outlook of American conservatives and libertarians. In his 1962 book Capitalism and Freedom, Friedman advocated policies such as a volunteer military, freely floating exchange rates, abolition of licensing of doctors, a negative income tax, and education vouchers.[3] His books and essays were widely read and even circulated underground behind the Iron Curtain.[4][5]

Friedman's methodological innovations were widely accepted by economists, but his policy prescriptions were highly controversial. Most economists in the 1960s rejected them, but since then they had a growing international influence (especially in the U.S. and Britain), and in the 21st century have gained wide acceptance among many economists. He thus lived to see some of his laissez-faire ideas embraced by the mainstream,[6] especially during the 1980s. His views of monetary policy, taxation, privatization and deregulation informed the policy of governments around the globe, especially the administrations of Ronald Reagan in the U.S., Brian Mulroney in Canada, Margaret Thatcher in Britain, Roger Douglas in New Zealand, and Augusto Pinochet in Chile, and (after 1989) in many Eastern European countries.