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National income
Economics
Useful for: UPSC Civil Services, OSSC RHT — Regular High School Teacher, OSSC Economics, OSSSC Govt TGT Arts, SSB Lecturer (Degree Colleges), SSB TGT Arts
Overview
National income accounting measures output (GDP, GVA, GNP, NNP) by production, income and expenditure methods, at current or constant prices.
Key points
- GDP = GVA at basic prices + product taxes − product subsidies.
- GNP = GDP + net factor income from abroad; NNP = GNP − depreciation.
- NNP at factor cost is called national income.
- Real GDP uses constant prices; nominal GDP uses current prices; GDP deflator = nominal ÷ real × 100.
- India’s current national-accounts series uses base year 2011–12; estimates are released by the National Statistics Office (MoSPI).
- Methods: production (value added), income (factor incomes) and expenditure (C + I + G + NX).
Explanation
- Per capita income = national income ÷ population.
- Transfer payments (pensions, subsidies to households) are excluded from GDP.
- Intermediate goods are excluded to avoid double counting.
- GDP measures output, not welfare or distribution.
- Green GDP adjusts for environmental depletion.
Step by step
- Identify the concept, law or fact asked.
- Recall the definition, formula, example or year.
- Apply it and eliminate mismatched options.
Examples
- Statement: "GDP at market prices equals GVA at basic prices plus net product taxes." → Correct.
- Statement: "National income in India means GDP at market prices." → Incorrect (NNP at factor cost).
- Example: GDP 200, net factor income from abroad −5, depreciation 15 → GNP 195, NNP 180.
Traps and advanced points
- Trap: Adding depreciation instead of subtracting.
- Trap: Counting transfer payments.
- Trap: Mixing nominal and real growth.
Quick revision
- GVA → GDP → GNP → NNP.
- NNP at FC = national income.
- Base year 2011–12.
Practice MCQs
From the perspective of definition and scope, which one of the following statements about National Income is correct?
- National Income is unrelated to institutions, processes or real-world applications.
- National Income has no exceptions or limitations in exam analysis.
- GDP measures the value of final goods and services produced within domestic territory during a period.
- GDP directly measures income distribution and automatically shows whether every household is better off.
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Answer: (c) GDP measures the value of final goods and services produced within domestic territory during a period.. GDP measures the value of final goods and services produced within domestic territory during a period.
Consider the following statements on National Income, focusing on definition and scope: 1. GDP directly measures income distribution and automatically shows whether every household is better off. 2. GDP measures the value of final goods and services produced within domestic territory during a period. Which of the statements given above is/are correct?
- 1 only
- 2 only
- Both 1 and 2
- Neither 1 nor 2
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Answer: (b) 2 only. Statement 2 is correct; Statement 1 is a common misconception.
With reference to National Income (definition and scope), consider the following statements: 1. GDP measures the value of final goods and services produced within domestic territory during a period. 2. Value-added accounting avoids double counting intermediate goods. Which of the statements given above is/are correct?
- 1 only
- 2 only
- Both 1 and 2
- Neither 1 nor 2
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Answer: (c) Both 1 and 2. Both statements are correct.
With reference to National Income (practical application), consider the following statements: 1. GDP directly measures income distribution and automatically shows whether every household is better off. 2. Per-capita income is an average and does not itself reveal distribution. Which of the statements given above is/are correct?
- 1 only
- 2 only
- Both 1 and 2
- Neither 1 nor 2
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Answer: (b) 2 only. Only statement 2 is correct.
From the perspective of institutional design, which one of the following statements about National Income is correct?
- Headline and core inflation differ by the basket components included or excluded.
- Real interest rate is approximately nominal interest rate minus inflation for basic analysis.
- Nominal aggregates use current prices while real aggregates adjust for price change using a base framework.
- Quality of expenditure matters alongside the size of the deficit.
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Answer: (c) Nominal aggregates use current prices while real aggregates adjust for price change using a base framework.. Nominal aggregates use current prices while real aggregates adjust for price change using a base framework.
Consider the following statements on National Income, focusing on institutional design: 1. Nominal aggregates use current prices while real aggregates adjust for price change using a base framework. 2. GDP directly measures income distribution and automatically shows whether every household is better off. Which of the statements given above is/are correct?
- 1 only
- 2 only
- Both 1 and 2
- Neither 1 nor 2
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Answer: (a) 1 only. Only statement 1 is correct, so the answer is (A) 1 only. Statement 1 is correct; Statement 2 is a common misconception. Trap: GDP directly measures income distribution and automatically shows whether every household is better off.
With reference to National Income (institutional design), consider the following statements: 1. GDP measures the value of final goods and services produced within domestic territory during a period. 2. GDP directly measures income distribution and automatically shows whether every household is better off. Which of the statements given above is/are correct?
- 1 only
- 2 only
- Both 1 and 2
- Neither 1 nor 2
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Answer: (a) 1 only. Only statement 1 is correct, so the answer is (A) 1 only. Statement 1 is correct. Statement 2 is incorrect — it is an overstated or wrong claim. Correct position: Per-capita income is an average and does not itself reveal distribution.
Consider the following statements on National Income, focusing on working mechanism: 1. Per-capita income is an average and does not itself reveal distribution. 2. Nominal aggregates use current prices while real aggregates adjust for price change using a base framework. Which of the statements given above is/are correct?
- 1 only
- 2 only
- Both 1 and 2
- Neither 1 nor 2
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Answer: (c) Both 1 and 2. All the given statements are correct, so the answer is (C) Both 1 and 2. Both statements are correct.
With reference to National Income (working mechanism), consider the following statements: 1. Per-capita income is an average and does not itself reveal distribution. 2. GDP directly measures income distribution and automatically shows whether every household is better off. Which of the statements given above is/are correct?
- 1 only
- 2 only
- Both 1 and 2
- Neither 1 nor 2
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Answer: (a) 1 only. Only statement 1 is correct, so the answer is (A) 1 only. Statement 1 is correct. Statement 2 is incorrect — it is an overstated or wrong claim.
Consider the following statements on National Income and Infrastructure & Investment, focusing on practical application: 1. GDP directly measures income distribution and automatically shows whether every household is better off. 2. Every public-private partnership automatically transfers all project risks to the private partner. Which of the statements given above is/are correct?
- 1 only
- 2 only
- Both 1 and 2
- Neither 1 nor 2
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Answer: (d) Neither 1 nor 2. None of the given statements is correct, so the answer is (D) Neither 1 nor 2. Neither statement is correct; both are common misconceptions.
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