Inflation, in economics, denotes a general increase in the prices of goods and services within an economy, leading to a decline in the purchasing power of money. It's commonly quantified by the inflation rate, representing the annualized percentage change in a general price index like the Consumer Price Index (CPI). CPI tracks changes in prices faced by households. The opposite of inflation is deflation, where the general price level decreases.
In 1922, monetary historians Thomas M. Humphrey and Richard Timberlake published "Gold, the Real Bills Doctrine, and the Fed: Sources of Monetary Disorder 1922–1938".
In 1936, John Maynard Keynes emphasized that wages and prices were sticky in the short run in his main work "The General Theory of Employment, Interest and Money".
In 1938, monetary historians Thomas M. Humphrey and Richard Timberlake published "Gold, the Real Bills Doctrine, and the Fed: Sources of Monetary Disorder 1922–1938".
In 1948, toward the end of the Nationalist Chinese government, there were spectacular high-inflation episodes in individual countries in interwar Europe.
In 1949, toward the end of the Nationalist Chinese government, there were spectacular high-inflation episodes in individual countries in interwar Europe.
In 1958, Alban William Phillips published indirect evidence of a negative relation between inflation and unemployment.
In 1972, wage and price controls were imposed by Richard Nixon.
From its first inception in New Zealand in 1990, direct inflation targeting as a monetary policy strategy has spread to become prevalent among developed countries.
In 1990, New Zealand adopted an official inflation target as the basis of its monetary policy.
Around the year 2000, a modern Phillips curve includes a role for supply shocks and inflation expectations.
In January 2007, the U.S. Consumer Price Index was 202.416.
During the presidency of Cristina Kirchner starting 2007, the government of Argentina was criticised for manipulating economic data.
In 2007, the general level of prices for typical U.S. consumers rose by approximately four percent.
In January 2008, the U.S. Consumer Price Index was 211.080.
From 2010, the broadest measure of money supply, M3, increased about 45% through 2015.
In 2015, during the presidency of Cristina Kirchner, the government of Argentina was criticised for manipulating economic data.
Through 2015, the broadest measure of money supply, M3, increased about 45% from 2010.
In October 2018, Venezuela experienced the world's highest hyperinflation, with an annual inflation rate of 833,997%.
In 2019, monetary historians Thomas M. Humphrey and Richard Timberlake published "Gold, the Real Bills Doctrine, and the Fed: Sources of Monetary Disorder 1922–1938".
In December 2021, Fed chairman Jerome Powell said that the once-strong link between the money supply and inflation "ended about 40 years ago," due to financial innovations and deregulation.
In 2021, most countries experienced a considerable increase in inflation.
In 2022, most countries experienced a considerable increase in inflation, peaking in 2022.
As per May 2023, inflation expectations generally seem to remain anchored.
As of 2023, Denmark is the only OECD country which maintains a fixed exchange rate (against the euro).
As of 2023, the central banks of all G7 member countries can be said to follow an inflation target.
During the COVID pandemic and its immediate aftermath, the M2 money supply increased at the fastest rate in decades, leading some to link the growth to the 2021-2023 inflation surge.