Panchajanya 2.O Team workCurated by Dr Bhavani Shankar MA, MPhil, PhD.
Macro Economics
| National Income | |
| Quick Glance: Topics Covered | |
| Main Topic | Subtopics |
| Macroeconomics and National Income |
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| Concepts and Measurement of Aggregates |
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| Methods of Calculating National Income |
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| Nominal and Real GDP |
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| Limitations of GDP as a Measure |
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- Macro Economics
Introduction to Macroeconomics and National Income
What is National Income?
National Income refers to the aggregate monetary value of all the final goods and services produced by the residents of a country during a given period, typically one financial year. It is a vital measure of a nation’s overall economic performance, reflecting its productive strength and its capacity to generate income.
For governments, economists, and policy planners, national income statistics form the backbone of economic analysis. These numbers are used to:
- Prepare government budgets.
- Design development strategies.
- Introduce reforms aimed at growth and stability.
Beyond policy making, national income provides valuable insights into the standard of living, the distribution of income among different groups, and how efficiently resources are utilized across the economy.
Basic Concepts of Macroeconomics
- Modern economics owes much to Adam Smith, often called the father of economics, whose landmark book An Enquiry into the Nature and Causes of the Wealth of Nations sought to explain what makes nations wealthy or poor. One might think that countries rich in natural resources—minerals, fertile land, or forests—should automatically be prosperous. Yet, history tells us otherwise. Africa and Latin America, despite being rich in natural resources, include some of the poorest nations in the world, whereas several advanced countries with little natural wealth have attained great prosperity.
- This shows that economic well-being does not depend merely on possessing resources. What matters more is how these resources are used, transformed through production, and channelled into a continuous flow of goods, services, income, and wealth.
The Flow of Production
- Production arises when people combine their efforts with the natural and man-made environment within a particular social and technological framework. In a modern economy, this process is carried out by millions of enterprises—some large corporations employing thousands, and some small businesses run by single entrepreneurs.
- But what happens once commodities are produced? Every producer aims to sell the output, whether it is a small item like pins or buttons, or large products like aircraft, cars, and industrial machinery. Similarly, services such as those of doctors, lawyers, and consultants are also offered in the market for sale. The goods and services purchased may be intended for final use or for further production.
Final vs. Intermediate Goods
Understanding the difference between final and intermediate goods is crucial for measuring the economy accurately. It is not the physical nature of a commodity, but the economic purpose of its use that determines its category.
| Feature | Final Goods | Intermediate Goods |
| Definition | Goods purchased for ultimate use without further transformation. | Goods used as raw materials or inputs to produce another good. |
| National Income | Included in the measurement of total output. | Excluded to avoid double counting. |
| Clothing Example | A shirt purchased by a consumer. | Cotton and yarn used by a textile mill. |
| Food Example | Tea leaves bought and brewed by a household for personal use. | Tea leaves bought by a restaurant to serve as tea to customers. |
When measuring the total output of an economy, economists consider only the monetary value of final goods and services. Since the value of intermediate goods is already embedded in the value of final goods, adding them separately would artificially inflate the economy’s size—a problem known as double counting.
Types of Final Goods
Among final goods, there are three distinct categories based on how they are used:
- Consumption Goods: Goods and services used directly by households for satisfaction, such as food, clothing, and entertainment.
- Capital Goods: Durable items like machines, tools, and infrastructure used in production. They are not directly consumed but enable further production. They gradually wear out and must be repaired or replaced over time.
- Consumer Durables: Goods consumed by households that share the durability of capital goods. Examples include cars, computers, and televisions. They provide utility over several years but also require maintenance and replacement.
Intermediate Goods and Measurement of Output
- Not all goods produced are either consumption or capital goods. Many remain intermediate goods used as raw materials or inputs for other production processes, such as steel sheets used in automobile manufacturing or copper used in utensils.
- When measuring the total output of an economy, economists therefore consider only final goods and services. This is done using a common measuring rod: money. The sum of the monetary value of all final goods and services produced in an economy during a given period represents the final output. Since the value of intermediate goods is already embedded in the value of final goods, including them separately would artificially inflate the measure of output.
Key Economic Measurements
Stocks and Flows
- To understand economic measurement, we must distinguish between stock and flow variables.
- A stock is measured at a specific point of time. For example, the number of machines in a factory or the amount of water in a tank at a particular moment is a stock.
- A flow is measured over a period of time. Income earned per month, cars produced in a year, or the water flowing into a tank per minute are flows. National income is a flow because it represents production during a year, whereas capital goods and inventories are stocks.
- The two concepts are related. For instance, changes in stocks (like the addition of machines in a factory) are measured as flows over a given period.
Illustrative Example:
- Consider a water tank. The amount of water in the tank at a given time is a stock, while the rate of water flowing into the tank per minute is a flow.
- Similarly, the number of machines in a factory is a stock, but the production of new machines in a year is a flow.
Investment and Depreciation
- Part of the final output of an economy consists of capital goods. This is called gross investment, which includes machines, tools, buildings, offices, and infrastructure like roads and airports. However, not all of this investment adds to the existing capital stock. Some simply replaces worn-out or obsolete capital.
- This wear and tear of capital is called depreciation. Net investment is therefore equal to gross investment minus depreciation. For example, if a factory produces machines worth ten lakh rupees but two lakh worth of machines are needed to replace old ones, then net investment is eight lakh rupees.
- Depreciation is usually calculated on the basis of the expected life of a capital asset. If a machine is expected to last for twenty years, one-twentieth of its value is considered depreciated each year. Though no actual expenditure may occur annually, depreciation is an accounting provision to reflect the gradual loss of value.
Example – A Machine with 20 Years’ Life:
- Suppose a company buys a machine for ₹20,00,000 with an expected life of 20 years. Each year, one-twentieth (₹1,00,000) of its value is considered to have depreciated. Even though the company does not actually spend ₹1,00,000 annually, accountants record it as depreciation.
- Thus, Net Investment = Gross Investment – Depreciation.
- Net investment indicates the true addition to the economy’s capital stock.
Consumption, Investment, and Trade-offs
- In any given year, an economy’s final goods may be divided between consumption goods and capital goods. If more resources are allocated to producing capital goods, fewer are available for consumption goods, and vice versa. This is the classic trade-off in production.
- However, producing more capital goods today increases the productive capacity of the economy in the future. For example, a weaver using traditional methods might take months to produce a sari, whereas modern machinery can produce thousands of garments in a single day. Similarly, construction of monumental buildings once took decades, but modern equipment can build skyscrapers in a few years. Thus, investment in capital goods raises future production of both capital and consumption goods.
- The key lies in the time dimension: in the short run, producing more capital goods means fewer consumer goods. In the long run, however, higher capital investment enables greater production of all goods.
Circular Link Between Income and Demand
- Economic production and consumption are bound together in a circular relationship. Firms demand factors of production from households and make payments in the form of wages, rents, interest, and profits. Households, in turn, use these incomes to purchase goods and services, creating demand for the output produced by firms.
- Thus, production generates income, income generates demand, and demand sustains production. Capital goods also play a role in this cycle by maintaining or enhancing the economy’s productive capacity. This continuous circular flow is the foundation of macroeconomics and forms the basis for measuring national income.
Circular Flow of Income
The Idea of a Simple Economy
- To understand the working of an economy, economists often use a simple model. Imagine an economy with only two sectors—households and firms—without government, foreign trade, or savings. In this simplified setting, households provide their services as factors of production, and firms use these services to produce goods and services.
- Households contribute in four ways: through labour, for which they receive wages; through capital, for which they receive interest; through entrepreneurship, for which they receive profits; and through land, for which they receive rent. Firms pay these incomes in return for using the factors of production.
- Now, what do households do with this income? Since there are no savings, no taxes, and no imports in this simple economy, they spend all their earnings on buying the goods and services produced by the firms. As a result, the entire income distributed by the firms returns to them as sales revenue. There is no leakage in this model: what households earn as income is exactly what they spend, and what firms distribute as payments to factors is exactly what they receive back as revenue.
The Circular Flow of Income
- This process continues period after period. Firms produce goods and services, pay incomes to households, and households spend those incomes on the very goods and services produced. Year after year, the same flow repeats in a circular way between households and firms.
- In this cycle, when households spend on goods and services, it appears as aggregate expenditure. When firms sell these goods and services, it appears as aggregate output. And when firms pay factor incomes to households, it appears as aggregate income. Since these are different sides of the same process, their values are equal.
Understanding the Diagram
- In the circular flow diagram, the arrows at the top represent the goods and services market. The flow from households to firms is the money they spend on goods and services, while the flow from firms to households is the actual goods and services delivered.
- At the bottom, the arrows represent the factor market. The flow from households to firms is the supply of factor services such as land, labour, and capital, while the opposite flow from firms to households represents the payments made for these services. Thus, money flows one way and goods and services flow the other, maintaining balance in the economy.
Methods of Calculating National Income
- The circular flow also helps us understand the three different methods of calculating national income. If we measure the flow at the top point, by calculating the total expenditure of households on final goods and services, it is called the expenditure method. If we measure it at the production stage by adding the total value of final goods and services produced by all firms, it is called the product or value-added method. If we measure the flow at the bottom by adding the total factor incomes—wages, rent, interest, and profits—it is called the income method.
- Although these methods look different, they all give the same result, because in the circular flow, expenditure, output, and income are three aspects of the same activity.
Spending and Income in the Circular Flow
- Suppose households decide to spend more than before. At first, it seems impossible since all their income is already being spent. But if they borrow and increase their spending, firms will respond by producing more goods and services. To do so, they must hire more factors of production and pay more wages, rents, interests, and profits. The additional factor incomes will match the value of the additional goods produced. As a result, households will eventually receive exactly the extra income needed to support the extra spending.
- This shows an important lesson: while an individual household cannot increase its income simply by deciding to spend more, the economy as a whole can. Higher overall spending leads to higher overall production and income.
Concept & measurement of GDP, GNP, NDP, NNP
Gross Domestic Product (GDP)
- GDP measures the aggregate value of final goods and services produced within the domestic territory of a country during a given year. However, not all of this income belongs to the residents of the country.
- For example, an Indian citizen working in Saudi Arabia earns wages there, which will be included in Saudi Arabia’s GDP, even though she is legally an Indian. Similarly, profits earned in India by foreign-owned companies like Hyundai (Korea) must be excluded when calculating India’s national income.
Gross National Product (GNP)
Definition:
- GNP is GDP plus incomes earned by residents from abroad minus incomes earned by foreigners in the domestic economy.
Formula:
- GNP=GDP+NFIAGNP = GDP + NFIAGNP=GDP+NFIA
- Where NFIA = Net Factor Income from Abroad.
Example:
- An Indian engineer working in USA earns ₹10 crore → added to India’s GNP.
- A Korean company in India earns ₹5 crore → subtracted from India’s GNP.
Net National Product (NNP)
- Part of the capital stock (machines, buildings, etc.) gets used up every year due to wear and tear, also called depreciation. Since depreciation does not become part of anyone’s income, it must be deducted.
- NNP=GNP−DepreciationNNP = GNP – DepreciationNNP=GNP−Depreciation
Market Prices and Factor Cost
- All the above aggregates are first calculated at market prices. But market prices include indirect taxes (like excise duty, GST, sales tax) and also get reduced by subsidies. Since taxes go to the government and not to factor owners, and subsidies lower the price burden, we must adjust for them.
Personal Income (PI)
National Income is not the same as what households actually receive. Some parts of NI never reach households, while some additional incomes do.
- Deductions from NI to get PI:
- Undistributed profits of companies (kept as reserves).
- Corporate taxes paid out of profits.
- Net interest paid by households to firms and government.
- Additions to NI to get PI:
- Transfer payments from government and firms (like pensions, scholarships, prizes).
So:
Personal Disposable Income (PDI)
- Even PI is not fully at the disposal of households because they must pay personal taxes (income tax) and sometimes non-tax payments (like fines).
- PDI=PI−Personal Taxes−Non−tax PaymentsPDI = PI – Personal\, Taxes – Non-tax\, PaymentsPDI=PI−PersonalTaxes−Non−taxPayments
- This is the income truly available to households for consumption and saving.
National Disposable Income
- Another useful concept is National Disposable Income, which shows the maximum amount of goods and services a nation can afford to consume in a year.
- National Disposable Income=NNP at Market Prices+Current Transfers from Rest of the WorldNational \, Disposable \, Income = NNP \,at \, Market \, Prices + Current \, Transfers \, from \, Rest \, of \, the \, World National Disposable Income = NNPat Market Prices + Current Transfers from Rest of the World (Current transfers include gifts, grants, and foreign aid).
Private Income
Private Income refers to incomes accruing to the private sector of the economy. It includes:
- Factor income from NDP accruing to the private sector,
- National debt interest,
- Net factor income from abroad,
- Current transfers from government,
- Other net transfers from the rest of the world.
Methods of Calculating National Income
The Product or Value Added Method
Understanding the Concept
The product method, also called the value added method, measures national income by calculating the total annual value of goods and services produced in the economy. Instead of simply adding up the value of all outputs, this method focuses on the net contribution (value added) of each producer.
Example of Farmers and Bakers
Suppose there are only two producers in the economy: wheat farmers and bread bakers.
- Farmers produce wheat worth ₹100. Out of this, ₹50 worth of wheat is sold to bakers.
- Bakers use this ₹50 worth of wheat to produce bread worth ₹200.
If we just add outputs, it looks like total production is ₹100 (wheat) + ₹200 (bread) = ₹300. But this is wrong because the ₹50 worth of wheat is being counted twice: once as part of the farmer’s production and again as part of the bread’s value.
To avoid this double counting, we calculate value added:
- Farmers’ value added = ₹100 (since they used no intermediate goods).
- Bakers’ value added = ₹200 – ₹50 = ₹150.
Thus, the true value of output in the economy = ₹100 + ₹150 = ₹250.
Meaning of Value Added
The value added of a firm = Value of production – Value of intermediate goods used.
This value added is distributed as wages, rent, interest, and profit to the four factors of production.
Gross Value Added and Net Value Added
While calculating value added, we must also consider depreciation (wear and tear of machinery, buildings, etc.):
- Gross Value Added (GVA) = Value of output – Value of intermediate goods.
- Net Value Added (NVA) = GVA – Depreciation.
Example:
If a firm produces goods worth ₹100, uses intermediate goods worth ₹20, and incurs depreciation of ₹10:
- GVA = ₹100 – ₹20 = ₹80.
- NVA = ₹100 – ₹20 – ₹10 = ₹70.
Role of Inventories
A firm may not sell everything it produces. Some goods may remain unsold, or it may sell from stocks it already had. These unsold goods, semi-finished goods, or unused raw materials are called inventories.
- If inventories increase during a year, it is called accumulation.
- If inventories decrease, it is called decumulation.
Inventories are treated as a form of investment, since they add to the firm’s capital stock.
Example:
If a firm starts the year with stock worth ₹100, produces goods worth ₹1,000, and sells goods worth ₹800, then change in inventories = 1,000 – 800 = ₹200. Thus, inventories at year’s end = ₹100 + ₹200 = ₹300.
Planned and Unplanned Changes in Inventories
- Planned accumulation: The firm intentionally increases its stock. For example, a shirt factory wants to raise inventory from 100 shirts to 200 shirts, so it produces extra shirts beyond expected sales.
- Unplanned accumulation: Sales fall unexpectedly, leaving the firm with more unsold stock than planned.
- Unplanned decumulation: Sales rise unexpectedly, and the firm must sell from its existing stock to meet demand.
Expenditure Method
Basic Idea
The expenditure method calculates GDP from the demand side of the economy. Instead of looking at how much is produced (as in the product method), here we look at how much is spent on final goods and services.
- Final expenditure means spending that is not for intermediate use. For example, if bakers buy wheat worth ₹50 from farmers, that is intermediate expenditure and does not count. But when households buy bread worth ₹200 from bakers, it counts as final expenditure. Similarly, the wheat worth ₹50 that consumers buy directly from farmers is also final expenditure. So, in the farmer–baker example:
- GDP = ₹200 (bread bought by consumers) + ₹50 (wheat bought directly by consumers) = ₹250
Components of Final Expenditure
A firm’s revenue comes from four types of final expenditure:
- Consumption Expenditure (C): This is the spending by households on goods and services like food, clothes, education, or medical services. Firms may also spend on small consumables (for example, tea, snacks for employees), but most of C comes from households.
- Investment Expenditure (I): This is spending by firms on capital goods like machines, tools, and buildings. Unlike intermediate goods, investment goods remain with the firm and increase its productive capacity, so they are counted in GDP.
- Government Expenditure (G): The government also buys final goods and services. This includes both consumption (for example, office supplies, vehicles) and investment (for example, highways, schools, defence equipment).
- Exports (X): Goods and services sold to foreigners also count as final expenditure, because they are produced within the domestic economy.
Thus, revenue of a firm (RVi) can be written as:
RVi = Ci + Ii + Gi + Xi
Role of Imports
But not all expenditure adds to domestic GDP. Sometimes, part of consumption, investment, or government expenditure is spent on imports. Since imports are not produced domestically, they must be subtracted.
- C – Cm → Domestic consumption expenditure
- I – Im → Domestic investment expenditure
- G – Gm → Domestic government expenditure
Here Cm, Im, and Gm are the values of imports under each head.
So, the formula becomes:
GDP = C + I + G + X – M
Where,
- C = Consumption
- I = Investment
- G = Government expenditure
- X = Exports
- M = Imports
Income Method
- The income method calculates national income from the payment side. It considers the incomes paid to the primary factors of production—land, labour, capital, and entrepreneurship—for the services they render during a year. These payments take the form of rent, wages, interest, and profit. By adding up all such factor incomes generated by producing units within the domestic territory during an accounting year, we arrive at the measure of national income.
- The aggregate obtained in this way is called Domestic Income or Net Domestic Product at Factor Cost (NDPFC). When we add Net Factor Income from Abroad (NFIA) to this, we obtain National Income, also known as Net National Product at Factor Cost (NNPFC).
- It is important to note that under the income method, national income is measured at the stage when enterprises distribute their net value added as factor payments to the owners of land, labour, capital, and entrepreneurship.
Relation with Value Added Method
- The net value added by an enterprise is nothing but the combined result of the services provided by the factors of production. Since this value added is distributed as money income (rent, wages, interest, profit, etc.), the total income measured through the income method should equal the total measured through the value added method.
Steps in Estimating National Income by the Income Method
- Identification of Enterprises:
- List all enterprises engaged in production within the domestic economy that employ factors of production—land, labour, capital, and entrepreneurship.
- Classification of Factor Payments:
- Categorize factor incomes into appropriate groups such as:
- Rent, wages, interest, and profit, or
- Compensation of employees, operating surplus, and mixed income (particularly for self-employed persons where different incomes cannot be separated).
- Estimation of Factor Payments:
- Calculate the total amount of factor payments made by each enterprise.
- Summation to Obtain Domestic Income:
- Add up all factor payments made within the domestic territory. The result is Domestic Income (NDP at Factor Cost).
- Adjustment for Net Factor Income from Abroad (NFIA):
- Add the balance of factor incomes received from abroad minus those paid abroad. The resulting figure is the National Income (NNP at Factor Cost).
Inclusions and Exclusions
- Included in National Income:
- Only factor incomes earned by rendering productive services.
- Imputed rent of owner-occupied houses.
- Value of production for self-consumption (e.g., farm produce kept by the farmer’s family).
- Commissions paid on the sale of second-hand goods (since they are payment for productive services).
- Direct taxes such as income tax and corporate tax (since they are paid out of current income).
- Excluded from National Income:
- Transfer payments such as pensions, unemployment allowances, scholarships, and social security benefits, as these are not payments for productive services.
- Sale and purchase of second-hand goods (they do not represent current production).
- Sale proceeds of shares and bonds (financial transactions, not production).
- Services produced but not marketed, such as those of a housewife.
- Illegal incomes like smuggling or black-marketing, as well as windfall gains like lotteries.
- Wealth tax and gift tax, since they are paid out of past wealth, not current income.
- Indirect taxes like sales tax and excise duty, because they raise the market price of goods but are not factor incomes.
Nominal GDP and Real GDP
1. Nominal GDP (GDP at Current Prices)
- Definition: Nominal GDP is the total value of goods and services produced in a year, measured at the current year’s market prices.
- It reflects both changes in production and changes in prices (inflation or deflation).
Limitation:
Nominal GDP may increase even if actual production remains the same, simply because prices have risen.
Example:
- In 2023: 1000 pens produced, price = ₹10 → Nominal GDP = ₹10,000.
- In 2024: 1000 pens produced, price rises to ₹20 → Nominal GDP = ₹20,000.
- Production has not increased, but GDP doubled due to inflation.
2. Real GDP (GDP at Constant Prices)
- Definition: Real GDP is the value of goods and services produced in a year, measured at the prices of a chosen base year.
- It removes the effect of inflation/deflation and thus reflects only actual growth in output.
Example (continuing):
- Base Year = 2023 (Price of pen = ₹10).
- In 2024: 1000 pens produced → Real GDP = 1000 × ₹10 = ₹10,000.
- Here, Real GDP shows no increase, meaning production has not grown.
GDP Deflator
GDP Deflator is a measure of price level changes in the economy.
It shows how much of the change in GDP is due to price changes (inflation/deflation) and how much is due to real growth.
Limitations of GDP as a Measure
GDP is the most widely used measure of the size and performance of an economy. However, it is not a perfect indicator of economic welfare or development. There are several limitations:
1. Ignores Distribution of Income
- GDP shows the total output, but it does not tell us who gets how much of that income.
- A country’s GDP may rise, but if the rich are getting richer while the poor remain poor, overall welfare does not improve.
- Example: If India’s GDP grows by 8%, but most of the gains go to the top 10% of the population, then the living standards of the majority may not change.
2. Excludes Non-Market Activities
- Many useful activities are not included in GDP because they are not bought and sold in the market.
- Household work (like cooking, cleaning, child care by family members) and voluntary services add to welfare but are excluded.
- Example: A mother cooking at home does not add to GDP, but the same meal cooked in a restaurant adds to GDP.
3. Ignores the Underground Economy
- GDP does not measure illegal or unreported activities such as black money transactions, smuggling, or unregistered small businesses.
- In countries with large informal sectors, the actual production may be far greater than what GDP shows.
- Example: If farmers sell goods without receipts in rural markets, much of that output is not captured in GDP data.
4. Does Not Reflect Environmental Costs
- GDP counts all production as positive, but it does not deduct the damage to natural resources and the environment.
- Pollution, deforestation, and climate change may rise with GDP, but they actually reduce welfare.
- Example: If a factory increases output but pollutes the river, GDP rises, but people’s health and environment suffer.
5. Cannot Measure Quality of Life
- GDP only measures goods and services in money terms. It does not reflect non-material aspects of well-being like education quality, health care, leisure, social security, peace, and political freedom.
- Example: Two countries with the same GDP may differ widely in life expectancy, literacy, or safety levels.
6. Inflation Distorts Comparisons
- If GDP rises only because of higher prices (inflation) and not because of more goods and services, it gives a false impression of growth.
- That is why economists use Real GDP for meaningful comparison.
7. International Comparisons are Misleading
- GDP is measured in local currency, and exchange rates may not reflect true purchasing power across countries.
- Hence, comparison of GDP across countries can be misleading unless adjusted by Purchasing Power Parity (PPP).
8. Fails to Capture Happiness and Welfare
- Higher GDP does not always mean happier people.
- Human well-being depends on multiple factors like family, community life, cultural values, and mental health—none of which GDP measures.
Example: Bhutan’s “Gross National Happiness (GNH)” index shows how welfare can be measured beyond GDP.
UPSC PRELIMS MCQS
- National Income is the (IAS/1997)
Net National Product at market price
Net National Product at factor cost
Net Domestic Product at market price
Net Domestic Product at factor cost
Correct Answer: (b) Net National Product at factor cost
- National product at factor cost is equal to
Domestic product + Net factor income from abroad
National product at market prices – Indirect taxes + Subsidies
Gross domestic product – Depreciation
National product at market prices + Indirect taxes + Subsidies
Correct Answer: (b) National product at market prices – Indirect taxes + Subsidies
- The term National Income represents (IAS/2001)
Gross National Product at market prices minus depreciation
Gross National Product at market prices minus depreciation plus net factor income from abroad
Gross National Product at market prices minus depreciation and indirect taxes plus subsidies
Gross National Product at market prices minus net factor income from abroad
Correct Answer: (c) Gross National Product at market prices minus depreciation and indirect taxes plus subsidies
- In an open economy, the national income (Y) of the economy is (IAS Exam)
Y = C + I + G + X
Y = C + I + G – X + M
Y = C + I + G + (X – M)
Y = C + I – G + X – M
Correct Answer: (c) Y = C + I + G + (X – M)
- The value of all final goods and services produced by the normal residents of a country and their property, whether operating within the domestic territory or outside in a year, is termed as (CDS-II/2014)
Net National Income
Gross National Income
Gross Domestic Product
Net Domestic Product
Correct Answer: (b) Gross National Income
- Gross Domestic Product (GDP) is called ‘gross’ because its computation does not exclude
Subsidies on consumption of goods
Earnings of foreign factors in host country
Impact of price rise
Depreciation of capital (consumption of capital in production process)
Correct Answer: (d)
- Which one of the following statements is not correct for National Income Accounting in India? (CDS-I/2024)
Imports are subtracted in calculating Gross Domestic Product.
Net factor payments earned from abroad are included in Gross Domestic Product.
Purchase and sale of second-hand goods are not included in Gross Domestic Product.
Inventories are included in Gross Domestic Capital Formation.
Correct Answer: (b)
- National product at factor cost is equal to (CDS-II/2014)
Domestic product + Net factor income from abroad
National product at market prices – Indirect taxes + Subsidies
Gross domestic product – Depreciation
National product at market prices + Indirect taxes + Subsidies
Correct Answer: (b)
Mains Previous Year Questions
- Explain the difference between computing methodology of India’s Gross Domestic Product (GDP) before the year 2015 and after the year 2015. (UPSC 2021)
| Introduction | Gross Domestic Product (GDP) is the most widely used indicator of economic growth. Over time, India has revised its methodology to align with global standards and to better reflect structural changes in the economy. A major revision was undertaken in 2015. |
| Body |
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| Conclusion | The 2015 revision marked a paradigm shift from GDP at factor cost to GDP at market prices, with better data sources and methodology. This has made India’s growth estimates more comprehensive, realistic, and globally standardized, though it has also sparked debates due to higher growth figures compared to the earlier series. |
- Define potential GDP and explain its determinants. What are the factors that have been inhibiting India from realizing its potential GDP?
| Introduction | Potential GDP (also called potential output) is the maximum level of economic output that an economy can sustain over the long term without creating inflationary pressures. It represents the level of production when all resources—labour, capital, and technology—are fully and efficiently utilized. Actual GDP often falls short of potential GDP due to structural and cyclical constraints. |
| Body | Determinants of Potential GDP:
Factors inhibiting India from realizing potential GDP:
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| Conclusion | India’s potential GDP is high due to its demographic dividend and vast resource base. However, structural bottlenecks in labour, capital, technology, and governance have created an output gap. Addressing these through skill development, infrastructure push, financial reforms, and innovation-led growth is essential for India to realize its full productive potential and sustain high long-term growth. |
