GDP and Welfare

Correct answer: B. ₹2,400

Real GDP values current-year output at base-year prices. Thus, the current quantity of 200 units must be multiplied by the base-year price of ₹12: 200 × ₹12 = ₹2,400. Option B is correct. The amount ₹3,000 is nominal GDP because it uses the current price of ₹15. This distinction prevents price changes from being mistaken for changes in actual production.

Correct answer: A. It removes the effect of price changes

Real GDP values output at constant prices, so a change in the general price level does not by itself make measured GDP rise or fall. This makes year-to-year output comparisons more meaningful. For comparing average material living standards, real GDP per capita is more informative because it also accounts for population size.

Correct answer: A. Divide real GDP by population

Real GDP per capita = Real GDP ÷ Population. Dividing by the population gives the average inflation-adjusted output per person. Therefore, option A is correct.

Correct answer: A. Average real living standard

Real GDP per capita is calculated by dividing inflation-adjusted output by population. It therefore indicates the average amount of real production available per person and is commonly used as a broad indicator of average material living standards. Option A is correct. It is not a measure of population alone, the price level alone, or tax collection. However, it is only an average and does not fully capture inequality or non-market well-being.

Correct answer: A. It allows comparison of output quantities across years

Real GDP is designed to measure changes in production rather than changes in prices. By valuing goods and services from different years at the same base-year prices, the price effect is held constant and output quantities become comparable. Therefore option A is correct. Constant prices do not make all prices identical, stabilize money supply, or eliminate imports.

Correct answer: B. When output is valued at common base-year prices

Meaningful comparison across years requires separating changes in production quantities from changes in prices. Valuing each year’s output at common base-year prices removes the influence of changing prices and makes the resulting real GDP series more comparable. Thus option B is correct. Current prices measure nominal GDP, adding imports is conceptually wrong, and changing currencies does not solve the price-bias problem.

Correct answer: A. The value of final goods and services produced within a country's domestic territory

GDP is the monetary value of all final goods and services produced within a country’s domestic territory during a specified period, usually a year or quarter. The word “final” prevents double counting of intermediate goods. GDP therefore records production and economic activity, not happiness, equality, or environmental quality. Hence option A is correct, while B, C, and D are broader welfare dimensions that GDP does not directly measure.

Correct answer: B. No, not necessarily

An increase in GDP indicates greater measured production, but it does not automatically mean an equal increase in welfare. Welfare also depends on income distribution, health, leisure, environmental quality, and the nature of the goods produced. For example, output may rise while pollution or inequality worsens. Therefore option B is correct. Options A, C, and D make absolute claims that are not supported by the welfare limitations of GDP.

Correct answer: C. GDP is a useful but incomplete indicator of welfare

GDP is useful because it indicates the scale of market production and the income generated by that production. However, it is incomplete as a welfare indicator because it does not fully capture distribution, unpaid work, leisure, health, social security, or environmental damage. Thus option C gives the balanced relationship. Option A ignores GDP’s informational value, whereas B and D make unjustified absolute claims about welfare.

Correct answer: D. Unpaid household work by a family member

GDP records the market value of final goods and services produced during a period. A new car, a teacher’s paid service, and newly produced cloth normally involve observable market transactions and can be valued in money. Unpaid household work may be useful and welfare-enhancing, but it usually has no market transaction or recorded price, so it is generally excluded from measured GDP. Hence option D is correct.

Correct answer: A. Welfare may not rise equally

GDP is an aggregate measure, so it can increase even when the gains from production are concentrated among a small group. If the majority receives little additional income, access to food, health care, education, and other benefits may not improve proportionately. Consequently, welfare need not rise equally with GDP. Option A is correct; inequality does not make everyone’s income equal, eliminate poverty automatically, or reduce GDP to zero.

Correct answer: B. By dividing GDP by population

Per capita GDP is an average measure calculated by dividing total GDP by the population: Per capita GDP = GDP ÷ Population. It estimates the average amount of output or income associated with each person, although it does not show how that income is distributed. Therefore option B is correct. Multiplying GDP by population produces no standard per-person measure, and exports or imports are irrelevant to this basic calculation.

Correct answer: C. Because pollution and inequality may increase

Per capita GDP is only an average of output or income; it does not show distribution or the social costs of production. A rise in the average can occur alongside greater inequality, while pollution, congestion, stress, or health damage may reduce people’s quality of life. Hence option C is correct. The other choices either contradict the meaning of GDP or assert conditions that do not follow from a rise in per capita GDP.

Correct answer: D. Life expectancy

A non-economic welfare indicator describes an important aspect of people’s well-being that is not measured directly in monetary production terms. Life expectancy reflects health conditions, survival, and the quality of life, so it is a non-economic indicator. National output, market prices, and investment expenditure are economic quantities expressed through production, valuation, or spending. Therefore option D is correct, although such social indicators complement rather than replace economic measures.

Correct answer: A. GDP may rise while welfare falls

Production that causes pollution may have a market price and therefore add to measured GDP. However, the resulting air, water, or noise pollution can impose health costs, damage ecosystems, and reduce quality of life. These costs are negative externalities and may not be deducted from GDP. Thus GDP can rise while welfare falls, making option A correct. The other options incorrectly assume that production and welfare must move together.

Correct answer: B. Because its market value is not easily measured

GDP measures the market value of currently produced final goods and services. Leisure can improve happiness, health, and quality of life, but it is usually not bought and sold in a market, so it has no reliable recorded price for national accounting. Therefore option B is correct. Options A, C, and D are incorrect because leisure is not inherently harmful, is enjoyed by people of all ages, and is not an export.

Correct answer: C. GDP may rise while welfare falls

GDP records market expenditure on final goods and services, not the reason that generated the expenditure. If rising crime causes households, firms, or the government to purchase more security services, that additional market production can raise GDP. However, crime reduces safety and quality of life, so welfare may decline at the same time. Thus option C is correct; the other options wrongly assume GDP and welfare always move together.

Correct answer: D. It does not itself show income distribution

GDP is an aggregate measure of the total value of final goods and services produced within an economy during a period. It says how large total production is, but not how that income is shared among households or groups. Two economies can have the same GDP while one is highly unequal and the other is more balanced. Therefore option D is correct; GDP alone cannot prove equality or identify poverty numbers.

Correct answer: A. Expansion of clean drinking water services

Expansion of clean drinking-water services can involve current production and expenditure, thereby contributing to GDP. It also reduces disease, saves time, improves health, and supports a better quality of life, so welfare is likely to rise with output. Option A is therefore correct. Polluting production may increase GDP while harming health, unnecessary weapons are defensive or non-welfare-enhancing expenditure, and greater inequality can reduce broad welfare.

Correct answer: B. Because its production was already counted in an earlier year

GDP is designed to measure the value of production that takes place during the current accounting period. A used car, machine, or other good was produced and counted when it was new, so selling it again does not represent new current production. The resale price may create income for a seller or an intermediary, but the old good itself is not added again. Hence option B is correct; used goods do have value, and they are not all imports.

Correct answer: C. It does not adequately deduct environmental damage

GDP adds the market value of final goods and services produced within domestic territory, but it generally does not subtract all costs imposed by pollution, resource depletion, or ecological damage. Production can therefore increase measured GDP while reducing health and environmental quality. Option C identifies this welfare limitation. Options A, B, and D describe features of GDP accounting rather than the specific failure to reflect environmental costs.

Correct answer: D. Population, income distribution, and public services may differ

Equal total GDP only means that the two economies have the same measured aggregate output, subject to comparable valuation. It does not imply equal population, per-person output, income distribution, environmental quality, or access to health and education services. A country with a smaller population or better public services may provide higher average welfare. Therefore option D is correct, while A, B, and C make unsupported claims of equality.

Correct answer: A. When its imputed monetary value is estimated

National accounting aims to include production even when the producer consumes the output personally, provided that its value can be estimated reliably. Grain grown for self-consumption is therefore assigned an imputed value, usually based on a relevant market price, and included as part of domestic production. Option A is correct. Exporting is unnecessary, destruction is irrelevant, and option D ignores the treatment of own-account production.

Correct answer: B. It indicates average economic output per person

Per capita GDP is calculated by dividing total GDP by the population: per capita GDP = GDP ÷ population. It provides an average measure of output or income available per person and is useful for broad comparisons between economies, especially when population sizes differ. Option B is correct. However, it is only an average; it cannot show inequality, exact pollution, or all unpaid and non-market services.

Correct answer: C. It may fall

GDP mainly records market production valued through monetary transactions. When a person provides a service in a paid job, the payment is counted as market output and income. If the identical service is moved to unpaid household work, it is generally not recorded in GDP, even though the real service and possible welfare benefit remain. Thus measured GDP may fall, making option C correct; it need not double or remain unchanged.