Plain meaning
A measure of how prices change over time, often tracked through the Consumer Price Index.
Also called
consumer price index
CPI
Key points
- Inflation is an economic or public-finance concept used to understand the setting around tax and budget decisions.
- The concept usually affects households and businesses indirectly through prices, borrowing costs, investment, government revenue, or program spending.
- Official releases often use the concept to explain why a policy is being introduced, extended, delayed, or financed.
- Tracking it helps readers connect a headline number or market development with later tax, benefit, tariff, or spending choices.
Why it comes up
Inflation affects indexed tax brackets, benefits, credits, interest rates, household costs, and government policy choices. It can affect the economic setting for tax policy, public finance, household costs, investment, borrowing, or trade.