Consumer Price Index (CPI):The Consumer Price Index is a statistical measure used to track the changes in the prices paid by consumers for a basket of goods and services over time, and is a primary tool for measuring inflation.
Deflation:Deflation is the opposite of inflation, where the general price level of goods and services decreases over time, leading to an increase in the purchasing power of a currency.
Stagflation:Stagflation is a situation where high inflation coexists with high unemployment and stagnant demand in the economy, posing a challenge for policymakers.