Inflation is the rate at which the overall price level of goods and services rises, eroding currency purchasing power. It is measured year-over-year by tracking representative market baskets such as the Consumer Price Index (CPI). Central banks typically target a stable ~2% annual rate to encourage healthy investment without destroying cash savings.
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Inflation
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Comprehension Checkpoint
If inflation is 5% this year and your salary remains unchanged, what happens to your real purchasing power?
Frequently Asked Questions
Mild 2% inflation prevents deflation (falling prices that stall consumer spending) and gives central banks room to adjust interest rates during recessions.
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Citations & Sources
"The Consumer Price Index measures the average change over time in prices paid by urban consumers for a market basket of goods and services."
U.S. Bureau of Labor Statistics (BLS)
"The FOMC judges that annual inflation of 2 percent over the longer run is most consistent with the Federal Reserve's dual mandate."
Federal Reserve Board