A Quick Understanding of “CPI” for Ordinary People
1. What is CPI?
1. **Full name**: Consumer Price Index.
2. **Definition**: A macroeconomic indicator measuring the **retail price level changes** of a basket of consumer goods and services (such as food, housing, transportation, healthcare, education, and entertainment).
3. **Core purpose**: Reflects the **price level changes** of consumer goods and services purchased by households, the most commonly used and critical indicator for measuring **inflation** or **deflation**.
4. **Publishing agency**: Typically released periodically by national statistical departments (such as China’s National Bureau of Statistics, the U.S. Bureau of Labor Statistics).