Milton Friedman

Quick Facts

• Name: Milton Friedman
• Lived: 1912-2006
• Main field: Economics and political economy
• Main tradition: Classical liberalism
• Main institution: University of Chicago, later the Hoover Institution
• Known for: monetarism, the permanent income hypothesis, free-market public policy, school vouchers, and criticism of Keynesian economics
• Major works: A Theory of the Consumption Function, Capitalism and Freedom, A Monetary History of the United States, 1867-1960, and Free to Choose

The Big Question

How much of economic life should be steered by government officials, and how much should be left to people using prices, markets, and private choice?

Friedman's answer was not "no government." It was: keep government limited, predictable, and rule-bound, because markets usually handle dispersed information better than central planners do.

In One Minute

Milton Friedman was one of the most influential economists of the twentieth century. He argued that free markets are not just efficient machines for producing goods. They are also safeguards for personal freedom, because they let people make choices without asking political authorities for permission.

His technical work changed macroeconomics. Monetarism is the view that the amount of money in the economy matters deeply: changes in money can affect jobs and output in the short run, and sustained inflation in the long run. His permanent income hypothesis says people usually base spending on what they think their long-term income will be, not only on this month's paycheck.

His public message was simple and controversial: government often promises stability, fairness, or protection, but it can also create dependency, waste, inflation, and coercion. The better answer, he thought, was competition, private choice, clear legal rules, and stable monetary policy.

What They Taught

Friedman taught that economic freedom and political freedom support each other. Economic freedom means the ability to work, buy, sell, save, invest, start a business, choose a school, or spend your income without needing special permission from the state. Political freedom means the ability to speak, vote, organize, and oppose rulers. Friedman's claim in Capitalism and Freedom was that a society with private property and competitive markets gives people more room to resist political power.

This did not mean every market result is good. Friedman allowed a real role for government: courts, contracts, property rights, national defense, money, and some help for the poor. But he wanted government programs to be narrow and predictable. A rule-bound policy is one that follows a known rule instead of changing whenever officials think they can fine-tune the economy. His worry was that expert discretion often came with bad information, political pressure, and unintended consequences.

His most famous economic doctrine was monetarism. Money supply means the stock of money people can use to buy goods and pay debts, including currency and many bank deposits. Friedman argued that sharp changes in the money supply can push the whole economy around. If money grows too slowly or collapses, spending can fall and unemployment can rise. If money grows faster than real production for a long time, the result is inflation, which means a general rise in prices across the economy, not just one expensive product.

This was a direct challenge to the Keynesian mood of the mid-twentieth century. Keynesian economics emphasized total demand and often treated government spending as the main tool for fighting recessions. Friedman did not deny that demand matters. He argued that money matters more than many Keynesians had admitted, and that central banks could make recessions worse by mismanaging money. In A Monetary History of the United States, written with Anna Schwartz, he argued that Federal Reserve mistakes turned the early 1930s downturn into the Great Depression.

Friedman also attacked the idea that governments could permanently trade a little more inflation for lower unemployment. The Phillips curve was a proposed relationship between inflation and unemployment: more inflation seemed to come with less unemployment. Friedman replied that this could work only temporarily. If workers and businesses expect higher inflation, they adjust wages and prices. Then unemployment returns toward its "natural rate," meaning the level shaped by real labor-market conditions once people stop being surprised by inflation.

His permanent income hypothesis made a similar point about ordinary households. People do not spend mechanically from current income. They try to smooth their standard of living over time. If you receive a one-time bonus, you may save much of it because it does not change your long-term situation. If you get a lasting raise, you are more likely to raise regular spending.

Key Ideas With Examples

• Monetarism: Monetarism says money is not just a veil over the "real" economy. If the central bank lets the money supply shrink during a banking panic, businesses lose customers, banks cut lending, and workers lose jobs. If the money supply grows too fast year after year, dollars lose purchasing power and prices rise.

• Inflation: Inflation is a sustained rise in the general price level. Friedman was famous for saying that lasting inflation comes from too much money chasing too few goods. A drought can make food prices rise, but that is not automatically long-term inflation unless spending power across the economy keeps expanding.

• Permanent income hypothesis: Permanent income is the income people expect over the long run. A family that thinks its normal yearly income is $70,000 will usually spend differently from a family that earned $70,000 only because of a lucky one-time bonus.

• Free markets: A free market is a system where prices and voluntary exchange coordinate decisions. If many people want housing in one city, rising rents signal scarcity. Friedman thought price signals often work better than official commands because no planner knows everyone's needs, costs, and plans.

• Capitalism and freedom: Capitalism means private ownership of productive property, with businesses and workers using markets to coordinate. Friedman argued that it limits political power because people can earn money, publish, organize, or fund causes outside government control.

• School vouchers: A voucher is public money attached to a student rather than to a government-run school. Friedman thought families should be able to use that money at competing schools. The goal was to make schools answer to parents the way businesses answer to customers.

• Rules over discretion: Discretion means officials decide case by case. Friedman preferred simple rules, such as steady monetary growth, because he thought officials usually act too late, overreact, or respond to political incentives.

Major Works

• Essays in Positive Economics (1953): Sets out Friedman's view of economics as a science of explanation and prediction. "Positive" here means descriptive, not morally good. The economist asks what a policy will do before arguing whether it is just.

• A Theory of the Consumption Function (1957): Develops the permanent income hypothesis. The book explains why short-term changes in income do not always produce equal short-term changes in spending.

• Capitalism and Freedom (1962): Friedman's clearest statement of classical liberal politics. It argues that competitive capitalism protects political freedom, then applies that idea to money, education, welfare, licensing, discrimination, and poverty.

• A Monetary History of the United States, 1867-1960 (1963, with Anna J. Schwartz): A huge historical study of money and banking in the United States. Its most famous claim is that the Federal Reserve made the Great Depression much worse by allowing the money supply to contract.

• "The Role of Monetary Policy" (1968): Friedman's major statement against the idea of a permanent inflation-unemployment tradeoff. It helped make expectations central to macroeconomics.

• Free to Choose (1980, with Rose Friedman): A public-facing book and television series defending market choice against government control. It made Friedman's ideas visible far beyond academic economics.

Why It Matters

Friedman matters because he changed both economics and public debate. In economics, he helped move money, expectations, inflation, and central-bank policy back to the center of macroeconomics. His criticism of the long-run inflation-unemployment tradeoff looked especially powerful during the stagflation of the 1970s, when high inflation and high unemployment appeared together.

In politics, he gave a clear public language to market liberalism. He defended floating exchange rates, ending military conscription, deregulation, occupational licensing reform, school choice, and a negative income tax. A negative income tax is a welfare plan where people below a certain income receive money through the tax system instead of navigating many separate programs.

His importance is also why he remains disputed. For admirers, he showed how freedom, prosperity, and competition can reinforce each other. For critics, he underestimated inequality, market failure, corporate power, and the damage caused when market reforms are joined to harsh politics.

Proponents, Critics, and Opponents

Friedman belongs to the Chicago School of economics, especially its emphasis on price theory, empirical testing, markets, and skepticism toward government planning. He also continues the liberal market tradition associated with Adam Smith and John Stuart Mill, though he pushed it in a more anti-statist direction.

His work influenced libertarian and market-liberal thinkers, including Robert Nozick. His defense of individual choice also has points of contact with Thomas S. Szasz, especially around suspicion of paternalistic institutions.

Critics came from several directions. Keynesians argued that fiscal policy and active stabilization remain necessary, especially in deep crises. Egalitarian liberals such as John Rawls asked whether market freedom is enough if people start life with very unequal chances. Education critics argued that vouchers can drain public schools, increase segregation, or help families already able to navigate private schooling. Political critics attacked Friedman's connection to Chile under Augusto Pinochet, where market reforms were associated with dictatorship and repression. Friedman and his defenders answered that economic advice is not the same as endorsing tyranny, but the controversy remains central to his public legacy.

Related Pages

• Political economy
• Liberalism
• Adam Smith
• John Stuart Mill
• Robert Nozick
• Thomas S. Szasz
• John Rawls
• Enlightenment
• Utilitarianism