National Income

Learning Outcomes:

  1. Understand the components and significance of National Income.
  2. Differentiate between GDP, GNP, and other related aggregates.
  3. Identify methods for calculating National Income.
  4. Recognize the challenges in accurately estimating National Income.
  5. Explore the roles of CSO and NSSO in economic data collection.

National Income Overview
National Income is defined as the total net earnings from the production of goods and services in a country over a specific period, usually one year. It includes wages, salaries, rent, profits, and interest. It is considered as Net National Product (NNP) at factor cost and can be mathematically expressed as:
National Income = C + I + G + (X – M)
Where:

  • C = Total Consumption Expenditure
  • I = Total Investment Expenditure
  • G = Total Government Expenditure
  • X = Exports
  • M = Imports

Key Related Aggregates
National Income can be measured using aggregates such as Gross National Product (GNP), Gross Domestic Product (GDP), Gross National Income (GNI), Net National Product (NNP), Net National Income (NNI), and Per Capita Income (PCI). These aggregates can be calculated at either factor cost or market price.

  1. Factor Cost: Refers to the cost of production, including rent, interest, wages, and profits. Calculated as:
    Factor Cost (FC) = Market Price (MP) – Indirect Taxes + Subsidies.
  2. Market Price: The price customers pay, including indirect taxes and subsidies. Calculated as:
    Market Price (MP) = Factor Cost (FC) + Indirect Taxes – Subsidies.

Gross Domestic Product (GDP)
GDP is the monetary value of all final goods and services produced within a country’s borders in a specific timeframe. Represented as:
GDP = C + I + G + NX, where NX = Net Exports (Exports – Imports).

  1. Nominal GDP: The market value of all final goods and services without adjustments for inflation.
  2. Real GDP: Adjusted for price changes to measure the true economic output.

Important Note: India periodically changes the base year for GDP calculation. The current base year is 2011-12, providing a more accurate reflection of economic conditions.

Gross National Product (GNP)
GNP represents the market value of all products and services produced by a country’s labour and property within a year, calculated as:
GNP = GDP + (Exports – Imports).

Net National Product (NNP)
NNP adjusts GNP by deducting depreciation of physical assets. Calculated as:
NNP = GNP – Depreciation.

National Income (NI)
NI is derived from NNP by adjusting for indirect taxes and subsidies:
NI = NNP – Indirect Taxes + Subsidies.

Important Note: Real National Income adjusts for inflation using a base year, providing a more accurate economic measure.

Per Capita Income (PCI)
This measures the average income per person in a specific area. Calculated as:
Per Capita Income = National Income / Population.

Methods of National Income Calculation
Three primary methods are used to calculate National Income:

  1. Product Method: The net value of all final goods and services produced within a country during a year.
  2. Income Method: The total net income earned across various sectors, including rent, wages, interest, and profit.
  3. Expenditure Method: Also known as the Consumption Method, it sums up total consumption and total savings.

Differences Between GDP and GNP

  1. GDP includes goods and services produced within the country’s borders, regardless of the producer’s nationality.
  2. GNP excludes foreign production within the country but includes production by nationals abroad.

Challenges in National Income Calculation

  1. Black Money: Activities like smuggling and unreported incomes contribute to a parallel economy, distorting GDP estimates.
  2. Non-Monetisation: Informal transactions in rural economies are not captured in monetised estimates, leading to lower reported GDP.
  3. Growing Service Sector: Accurate reporting in sectors like BPOs, legal consultancy, and health services remains challenging.
  4. Double Counting: Repetitive inclusion of products in calculations poses hurdles despite corrective measures.

Important Note: Double counting can be mitigated through the value-added approach but cannot be entirely eliminated.

AspectGDPGNP
DefinitionGoods/services produced within bordersGoods/services produced by nationals, including abroad
Inclusion of ForeignersIncludedExcluded
Inclusion of Nationals AbroadNot includedIncluded

Issues in National Income Estimation

  1. Social Welfare Correlation: National Income does not always reflect social welfare accurately.
  2. Non-Market Transactions: Activities like homemaking and DIY projects are often excluded.
  3. Quality of Life: Changes in leisure and product quality are not reflected in National Income.
  4. Environmental Impact: Pollution and environmental degradation are not adequately measured.
  5. Per Capita Income: Provides a more meaningful living standards measure than total National Income.
  6. Depreciation: Varying methods for estimating depreciation introduce inconsistencies.
  7. Underground Economy: Difficulty in capturing informal sector data skews National Income calculations.

Gross Fixed Capital Formation (GFCF)
GFCF represents the net addition to a country’s capital stock (e.g., equipment, buildings). It enables economic growth and is crucial for improving aggregate and per capita income. For sustained growth, high levels of domestic savings are essential. Calculated as:

  • GFCF excludes depreciation adjustments and counts only fixed capital, not including financial assets or inventories.

National Income Trend in India
Between 2004-05 and 2010-11, India’s National Income grew at 8.4% (2004-05 prices). Revised GDP figures for 2018-19 showed a 6.6% growth at constant prices (2011-12 base year). Per capita income increased to ₹92,565 in 2018-19. However, India’s economic transformation is gradual due to slow growth in the manufacturing sector.

Important Note: As industrialization advances, improvements in industry and services sectors become more evident.

Sector2017-182018-19
Agriculture, Forestry, and Fishing5.0%2.9%
Mining and Quarrying5.1%1.3%
Manufacturing5.9%6.9%
Electricity, Gas, Water Supply, etc.8.6%7.0%
Construction5.6%8.7%
Trade, Hotels, Transport, Communication7.8%6.9%
Financing, Real Estate, Professional Services6.2%7.4%
Public Administration, Defence11.9%8.6%

Key Organizations Related to National Income in India

  1. Central Statistical Office (CSO): Established on 2nd May 1951, it compiles national accounts, conducts the Annual Survey of Industries, and oversees statistical standards.
  2. National Sample Survey Office (NSSO): Formed in 1950, it conducts large-scale surveys to estimate National Income and related aggregates. Its surveys include household consumer expenditure, employment, landholding, and other socio-economic indicators.

Important Note: NSSO data is crucial for setting the poverty line and estimating regional disparities.

MCQ: Which of the following is a method used to calculate National Income?

  1. Product Method
  2. Income Method
  3. Expenditure Method
  4. All of the above

Correct Answer: 4. All of the above

Home
Notes
Category
My Stuff
Search
Scroll to Top