Source : What is the GDP deflator?
- GDP deflator is a more comprehensive measure of inflation.
2. GDP deflator:
- It is a more comprehensive measure of inflation.
- The GDP deflator, also called implicit price deflator, is a measure of inflation.
- It is the ratio of the value of goods and services an economy produces in a particular year at current prices to that of prices that prevailed during the base year.
- This ratio helps show the extent to which the increase in gross domestic product has happened on account of higher prices rather than increase in output.
- The deflator is more comprehensive measure of inflation because it covers the entire range of goods and services produced in the economy.
- The formula to find the GDP price deflator:
- GDP price deflator = (nominal GDP ÷ real GDP) x 100
- Changes in consumption patterns or introduction of goods and services are automatically reflected in the GDP deflator.
- This allows the GDP deflator to absorb changes to an economy’s consumption or investment patterns.
- Often, the trends of the GDP deflator will be similar to that of the CPI
3. Real GDP vs Nominal GDP
- GDP price deflator measures the difference between real GDP and nominal GDP.
- Nominal GDP differs from real GDP as the former doesn’t include inflation, while the latter does.
- Nominal GDP will most often be higher than real GDP in an expanding economy.
4. WPI, CPI
- A consumer price index (CPI) measures changes in the general level of prices of goods and services that households acquire for the purpose of consumption.
- However, since CPI is based only on a basket of select goods and is calculated on prices included in it, it does not capture inflation across the economy as a whole.
- The wholesale price index basket has no representation of the services sector and all the constituents are only goods whose prices are captured at the wholesale/producer level.
- The GDP deflator reflects up-to-date expenditure patterns.
- GDP deflator is available only on a quarterly basis along with GDP estimates, whereas CPI and WPI data are released every month.