Learn about purchasing power, its effect on currency value, and how inflation influences what one unit of money can buy.

Inflation refers to the rise in prices across the economy. But inflation can take many forms, and it has complex causes. For example, stagflation, which occurred in the 1970s, combines high inflation ...

Inflation occurs when prices rise quickly; deflation occurs when prices fall. Central banks influence interest rates to manage inflation and deflation. Hyperinflation, rare but severe, occurs with ...

The Consumer Price Index (CPI) regularly measures the change in the prices paid by consumers in the U.S. for a representative ...

Falling inflation means prices are still rising, but at a slower rate than before. Deflation, which is when prices actually decrease, is a rare occurrence in the U.S. economy. While overall inflation ...