Inflation is a sustained increase in the aggregate price level. Hyperinflation is very high inflation. Although the threshold is arbitrary, economists generally reserve the term “hyperinflation” to describe episodes when the monthly inflation rate is greater than 50 percent. At a monthly rate of 50 percent, an item that cost $1 on January 1 would […]| Econlib
Robert Lucas was awarded the 1995 Nobel Prize in economics “for having developed and applied the hypothesis of rational expectations, and thereby having transformed macroeconomic analysis and deepened our understanding of economic policy.” More than any other person in the period from 1970 to 2000, Robert Lucas revolutionized macroeconomic theory. His work led directly […]| Econlib
Keynesian economics is a theory of total spending in the economy (called aggregate demand) and its effects on output and inflation. Although the term has been used (and abused) to describe many things over the years, six principal tenets seem central to Keynesianism. The first three describe how the economy works. 1. A Keynesian believes […]| Econlib
For well over a hundred years, the economic world has been engaged in a great intellectual debate. On one side of this debate have been those philosophers and economists who advocate an economic system based on private property and free markets—or what one might call economic freedom. The key ingredients of economic freedom are personal […]| Econlib
Milton Friedman was the twentieth century’s most prominent advocate of free markets. Born in 1912 to Jewish immigrants in New York City, he attended Rutgers University, where he earned his B.A. at the age of twenty. He went on to earn his M.A. from the University of Chicago in 1933 and his Ph.D. from […]| Econlib
The European Union (EU) includes twenty-seven countries and 490 million people. In 2005, the EU had a $13 trillion (€11 trillion) economy, a single market, and for some member countries, a single currency. A growing number of political and economic decisions are made on a pan-European level in Brussels. The origins of the EU are […]| Econlib
New Keynesian economics is the school of thought in modern macroeconomics that evolved from the ideas of John Maynard Keynes. Keynes wrote The General Theory of Employment, Interest, and Money in the 1930s, and his influence among academics and policymakers increased through the 1960s. In the 1970s, however, new classical economists such as Robert Lucas, […]| Econlib