Question

Read the following text carefully :

The Gross Domestic Product (GDP) deflator, is an important indicator of inflation. It represents the ratio of the total value of goods and services produced by an economy in a specific year at current prices to the prices that were in effect during a designated base year.

This ratio highlights the proportion of GDP growth that can be attributed to rising prices instead of an actual increase in production levels.

The GDP price deflator indicates the difference between nominal GDP and real GDP. Nominal GDP differs from real GDP as the former doesn’t include inflation, while the latter does.

The GDP deflator automatically adjusts for changes in consumption habits and introduction of new products and services. This feature enables it to reflect shifts in investment and consumption trends.

For the GDP deflator, the ‘basket’ for each year consists of all goods produced domestically, weighted according to the market value of total consumption for each item.

On the basis of given text and common understanding, answer the following questions :

(a) State the meaning of Gross Domestic Product (GDP) deflator and its significance.

(b) Elaborate how Real Gross Domestic Product is different from Nominal Gross Domestic Product.

Hint:

GDP deflator is the ratio of nominal GDP to real GDP. It removes the price effect from GDP. Real GDP uses base year prices and nominal GDP uses current year prices.

Answer 1

Step 1: Understand the case:
The text is about the GDP deflator and about how real GDP differs from nominal GDP. Part (a) asks for the meaning and the significance. Part (b) asks for the difference between real and nominal GDP.
The text says the deflator "highlights the proportion of GDP growth that can be attributed to rising prices instead of an actual increase in production levels".

Step 2: (a) Meaning of GDP deflator:
GDP deflator is the ratio of nominal GDP to real GDP. It is a price index for all goods and services produced inside the domestic territory.
\[ \text{GDP Deflator} = \frac{\text{Nominal GDP}}{\text{Real GDP}} \times 100 \]
A deflator above 100 means prices have risen since the base year.

Step 3: (a) Significance of GDP deflator:
First, it removes the effect of price changes. It shows how much of the rise in GDP came only from higher prices.
Second, it helps find the real change in physical output of the current year.
Third, it allows a fair comparison of growth rates of the economy across years, as the text says it also reflects shifts in investment and consumption.

Step 4: (b) Real GDP:
Real GDP is the market value of all final goods and services produced in the domestic territory of an economy in a year, measured at base year (constant) prices.
Since prices are fixed, any change in real GDP shows a change in the quantity of output.

Step 5: (b) Nominal GDP and the difference:
Nominal GDP is the market value of the same final goods and services, measured at current year prices.
Nominal GDP can rise because prices rise even when output is unchanged. Real GDP rises only when output rises.

Basis	Real GDP	Nominal GDP
Prices used	Base year prices	Current year prices
Effect of inflation	Removed	Included
Shows	Change in output	Change in output and prices
Use	Measure of economic growth	Measure of money value of production

Final Answer:
The GDP deflator (nominal GDP / real GDP) removes the price effect and helps compare growth. Real GDP is valued at base year prices while nominal GDP is valued at current year prices.