UPSC CSE Prelims
Basics of Economics Previous Year Questions (PYQs)
Showing solved Previous Year Questions for Chapter: Basics of Economics
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With reference to physical capital in Indian economy, consider the following pairs:
| Items | Category |
|---|---|
| 1. Farmer's plough | Working capital |
| 2. Computer | Fixed capital |
| 3. Yarn used by the weaver | Fixed capital |
| 4. Petrol | Working capital |
How many of the above pairs are correctly matched?
Detailed Explanation:
Answer: Option 2 — Only two
Physical capital is classified into fixed capital (durable assets used repeatedly over time) and working capital (consumable items used up in production). Among the given pairs, only the computer (fixed capital) and petrol (working capital) are correctly categorized.
❌ Pair 1 – Incorrect: A farmer's plough is a durable tool used repeatedly over multiple production cycles, making it fixed capital, not working capital.
✅ Pair 2 – Correct: A computer is a long-term asset used over an extended period, correctly classified as fixed capital.
❌ Pair 3 – Incorrect: Yarn used by a weaver is consumed in the production process and needs regular replacement, making it working capital, not fixed capital.
✅ Pair 4 – Correct: Petrol is consumed during production and requires regular replenishment, correctly classified as working capital.
📝 Short Notes: Physical Capital Classification
| Type | Definition | Examples | Characteristics |
|---|---|---|---|
| Fixed Capital | Durable assets used repeatedly over time in production | Machinery, buildings, tools, computers, ploughs, tractors | • Not consumed in single use • Long productive life • High initial investment • Depreciation over time |
| Working Capital | Raw materials and consumables used up in production | Raw materials, fuel, petrol, yarn, seeds, fertilizers | • Consumed in single production cycle • Need regular replenishment • Circulating in nature • Lower per-unit cost |
With reference to the sectors of the Indian economy, consider the following pairs:
| Economic activity | Sector |
|---|---|
| 1. Storage of agricultural produce | Secondary |
| 2. Dairy farm | Primary |
| 3. Mineral exploration | Tertiary |
| 4. Weaving cloth | Secondary |
How many of the pairs given above are correctly matched?
Detailed Explanation:
Answer: Option 2 — Only two
This question tests the understanding of the classification of economic activities into primary, secondary, and tertiary sectors. Out of the four pairs given, only two are correctly matched (Dairy farm - Primary and Weaving cloth - Secondary).
❌ Pair 1 – Incorrect: Storage of agricultural produce is a tertiary activity (service sector), not secondary. It involves preservation and warehousing services.
✅ Pair 2 – Correct: Dairy farm is a primary activity as it involves direct extraction of natural resources (milk from animals).
❌ Pair 3 – Incorrect: Mineral exploration is a primary activity, not tertiary. It involves extraction of raw materials from the earth.
✅ Pair 4 – Correct: Weaving cloth is a secondary activity as it involves manufacturing and transforming raw materials (cotton, silk) into finished products.
📝 Short Notes: Classification of Economic Sectors
| Sector | Definition | Examples |
|---|---|---|
| Primary Sector | Extraction and production of raw materials from natural resources | Agriculture, dairy farming, fishing, forestry, mining, quarrying, mineral exploration |
| Secondary Sector | Manufacturing and processing of raw materials into finished or semi-finished goods | Weaving cloth, making sugar from sugarcane, steel production, construction, food processing |
| Tertiary Sector | Services that support primary and secondary sectors; no goods production | Storage, transportation, banking, insurance, trade, education, healthcare, tourism |
- Key Distinction: Storage and warehousing are always tertiary activities as they provide services rather than extract or manufacture goods.
- Processing vs. Extraction: Mining and exploration are primary (extraction), while refining minerals is secondary (processing).
- India's Economic Structure: Historically agriculture-dominated (primary), now services (tertiary) contribute the most to GDP.
Consider the following statements:
Other things remaining unchanged, market demand for a good might increase if
- Price of its substitute increases
- Price of its complement increases
- The good is an inferior good and income of the consumers increases
- Its price falls
Which of the statements given above is/are correct?
Detailed Explanation:
Answer: Option 1 — 1 and 4 only
Market demand for a good increases when consumers are willing to buy more at the same price. This happens when substitutes become expensive (Statement 1) or when the price of the good itself falls (Statement 4), per the Law of Demand.
✅ Statement 1 – Correct: When the price of a substitute increases, the good becomes relatively cheaper, causing consumers to shift demand towards it, thereby increasing market demand.
❌ Statement 2 – Incorrect: Complementary goods are consumed together (e.g., cars and fuel). An increase in the price of a complement raises the overall cost of consumption, thereby decreasing (not increasing) demand for the good.
❌ Statement 3 – Incorrect: Inferior goods have an inverse income-demand relationship. When consumer income increases, they switch to superior/normal goods, causing demand for inferior goods to decrease.
✅ Statement 4 – Correct: According to the Law of Demand, ceteris paribus, a fall in price leads to an increase in quantity demanded, which increases market demand.
📝 Short Notes: Demand Determinants and Related Goods
- Law of Demand: Price and quantity demanded are inversely related, other factors remaining constant.
- Substitute Goods: Goods that can replace each other (tea-coffee). Price of substitute ↑ → Demand for the good ↑
- Complementary Goods: Goods consumed together (car-petrol, pen-ink). Price of complement ↑ → Demand for the good ↓
- Normal Goods: Income ↑ → Demand ↑ (positive relationship)
- Inferior Goods: Income ↑ → Demand ↓ (inverse relationship; examples: coarse grains, low-quality products)
- Demand vs Quantity Demanded: Change in price affects 'quantity demanded' (movement along curve); change in other factors (income, substitute prices) affects 'demand' (shift of curve)
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Consider the following statements: Human capital formation as a concept is better explained in terms of a process, which enables
- individuals of a country to accumulate more capital.
- increasing the knowledge, skill levels and capacities of the people of the country.
- accumulation of tangible wealth.
- accumulation of intangible wealth.
Which of the statements given above is/are correct?
Detailed Explanation:
Answer: Option 2 — 2 and 4 only
Human capital formation refers to the process of enhancing the productive capacities of people through investment in education, health, and skills. It is an intangible asset that increases the knowledge and capabilities of the workforce, thereby contributing to economic development.
✅ Statement 1 – Incorrect: Human capital formation focuses on developing people's skills and knowledge, not on accumulating physical or financial capital.
✅ Statement 2 – Correct: This statement accurately defines human capital formation as the process of increasing knowledge, skills, and capacities of people.
✅ Statement 3 – Incorrect: Tangible wealth refers to physical assets like land and buildings, whereas human capital is intangible.
✅ Statement 4 – Correct: Human capital is indeed an intangible wealth as it represents the stock of skills, knowledge, and health embodied in people, which has economic value but no physical form.
📝 Short Notes: Human Capital Formation
- Definition: The process of acquiring and increasing the number of persons with education, skills, and experience critical for economic development.
- Components: Education, health, training, migration, and information.
- Nature: Intangible asset that cannot be physically touched but has immense economic value.
- Investment Sources: Government expenditure on education and health, private spending on training, and individual investments in skill development.
- Benefits: Increases productivity, promotes innovation, reduces poverty, and accelerates economic growth.
- Difference from Physical Capital: Physical capital refers to tangible assets (machinery, buildings), while human capital refers to the skills and knowledge of people.
If a commodity is provided free to the public by the Government, then
Detailed Explanation:
Answer: Option 4 — the opportunity cost is transferred from the consumers of the product to the tax-paying public.
When the government provides a commodity free of cost, the opportunity cost does not disappear—it is merely transferred from the direct consumers to the tax-paying public. The resources used to provide the free commodity are financed through taxation, meaning taxpayers bear the burden of foregone alternative uses of those resources. Thus, while consumers do not pay directly, society as a whole incurs the opportunity cost through taxation.
📝 Short Notes: Opportunity Cost
- Definition: Opportunity cost is the value of the next best alternative foregone when making a choice. It represents what is given up when resources are allocated to one use instead of another.
- Universal Principle: Opportunity cost exists in all economic decisions, whether made by individuals, firms, or governments, because resources are scarce and have alternative uses.
- Free Goods vs. Economic Goods: True free goods (like air) have no opportunity cost as they are abundant. However, goods provided "free" by the government are economic goods with real resource costs.
- Government Provision: When governments provide goods or services for free, they use tax revenues or borrowed funds. The opportunity cost is thus transferred to taxpayers who could have used those resources elsewhere.
- Example: If the government provides free electricity to farmers, the cost is borne by all taxpayers through subsidies, representing the opportunity cost of alternative public spending (like healthcare or education).
- Policy Implication: Understanding opportunity cost is crucial for evaluating the true cost of public policies and ensuring efficient resource allocation in the economy.