GDP GDP deflator: Understanding overall price changes
GDP The GDP deflator compares nominal GDP with real GDP, helping distinguish the portions of changes in economic aggregates attributable to price changes and changes in actual production. Using a base year as the reference, the index can be used to observe the overall price level of all goods and services produced in a country.
What It Measures
GDP The GDP deflator, also known as the implicit price deflator, measures how the price level of all goods and services produced in a country changes over time. It decomposes the nominal growth of GDP into price changes and changes in real output, and can therefore be used to observe an economy's overall inflation or deflation.
Calculation Method
The formula is “GDP GDP deflator = nominal GDP÷ real GDP×100”. Nominal GDP is calculated using current prices, while real GDP is calculated using base-year prices. Dividing the two reduces the interference of changes in output when assessing the result, focusing more closely on changes in the overall price level relative to the base year.
How to Interpret the Index
An index equal to 100 indicates that the overall price level is the same as in the base year; a value above 100 indicates that prices have risen relative to the base year; and a value below 100 indicates that prices have fallen relative to the base year. The percentage change in prices relative to the base year can be calculated as “GDP GDP deflator −100”, but the result always depends on the selected base year.
Calculation Example and Usage Boundaries
If nominal GDP is 1200000000000 USD, and real GDP calculated using base-year prices is 1000000000000 USD, the GDP deflator is 120, indicating that the overall price level has risen relative to the base year by 20%. This indicator primarily serves traditional macroeconomic analysis and cannot be directly treated as a mature measure of the crypto asset market.
Original Tutorial
https://www.binance.com/zh-CN/academy/glossary/gdp-deflator
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