Unit 4: National Income - Practice Quiz

ECO106 — Introduction To Economics 60 Questions
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1 What does national income generally measure?

National income accounting: concepts Easy
A. The total money printed by a country's bank
B. The total income earned by a country's residents
C. The total wealth owned by foreign countries
D. The total value of imports bought by a country

2 What does GDP stand for?

National income accounting: concepts Easy
A. Gross Development Plan
B. Gross Domestic Product
C. General Development Product
D. General Domestic Price

3 Which item is a final good?

National income accounting: concepts Easy
A. Cotton bought by a textile firm
B. Flour bought by a bakery
C. Steel bought by a car maker
D. Bread bought by a household

4 What is depreciation in national income accounting?

National income accounting: concepts Easy
A. The rise in value of consumer goods
B. The increase in government revenue
C. The loss of value of fixed assets
D. The fall in the number of workers

5 Which method adds the value of final goods and services produced?

National income measurement methods Easy
A. Output method
B. Population method
C. Income method
D. Expenditure method

6 Which method totals wages, rent, interest, and profit?

National income measurement methods Easy
A. Output method
B. Inventory method
C. Income method
D. Expenditure method

7 Which item is included in the expenditure method?

National income measurement methods Easy
A. Second-hand goods already sold
B. Household consumption spending
C. Transfers received from relatives
D. Unpaid household cleaning

8 Why are intermediate goods excluded from national income calculations?

National income measurement methods Easy
A. To measure population growth
B. To increase total exports
C. To avoid double counting
D. To reduce the price level

9 Which is a use of national income statistics?

Uses and limitations of national income accounting Easy
A. Measuring personal happiness exactly
B. Predicting every individual purchase
C. Comparing economic performance
D. Counting every unpaid activity

10 Which activity is usually difficult to include in national income statistics?

Uses and limitations of national income accounting Easy
A. Sales by registered firms
B. Exports recorded at customs
C. Government employee salaries
D. Unpaid household work

11 Why may national income per person not fully show living standards?

Uses and limitations of national income accounting Easy
A. It always uses population estimates
B. It measures only foreign income
C. It ignores income distribution
D. It excludes all market goods

12 Which factor can make comparisons of national income between countries difficult?

Uses and limitations of national income accounting Easy
A. Identical currencies everywhere
B. Same production methods
C. Different price levels
D. Equal population sizes

13 Which two sectors are included in a basic two-sector economy?

Circular flow of income in two-sector economies Easy
A. Firms and foreign countries
B. Government and banks
C. Households and firms
D. Households and government

14 What do households provide to firms in the circular flow?

Circular flow of income in two-sector economies Easy
A. Government regulations
B. Finished imported goods
C. Foreign exchange reserves
D. Factors of production

15 What do firms pay households for the use of factors of production?

Circular flow of income in two-sector economies Easy
A. Factor incomes
B. Sales taxes
C. Import quotas
D. Trade subsidies

16 Which sector is added to the two-sector model to create a three-sector economy?

Circular flow of income in three-sector economies Easy
A. Financial markets
B. Government
C. Foreign trade
D. Households

17 Which is an injection into the circular flow from the government?

Circular flow of income in three-sector economies Easy
A. Spending on imports
B. Income tax payments
C. Government spending
D. Household saving

18 Which sector is added in a four-sector economy?

Circular flow of income in four-sector economies Easy
A. Retail sector
B. Foreign sector
C. Household sector
D. Production sector

19 What is an export in the circular flow model?

Circular flow of income in four-sector economies Easy
A. A saving made by households
B. A domestic purchase of foreign goods
C. A tax paid to the government
D. A foreign purchase of domestic goods

20 Which indicator measures the percentage of the labor force without jobs?

Macroeconomic indicators Easy
A. Interest rate
B. Unemployment rate
C. Exchange rate
D. Inflation rate

21 A country's GDP at market prices is $5,000 million, net factor income from abroad is $120 million, depreciation is $400 million, and net indirect taxes are $300 million. What is its national income?

National income accounting: concepts Medium
A. million
B. million
C. million
D. million

22 Which transaction should be excluded when estimating current-year GDP to avoid double counting?

National income accounting: concepts Medium
A. Purchase of newly produced clothing
B. Sale of a used car between households
C. Sale of a new machine to a factory
D. Government payment for public education

23 If nominal GDP increases by 8% while the GDP deflator increases by 5%, real GDP has approximately:

National income accounting: concepts Medium
A. Decreased by 3%
B. Remained unchanged
C. Increased by 3%
D. Increased by 13%

24 Under the income method, which item is included in national income?

National income measurement methods Medium
A. Corporate transfer payments
B. Sale of second-hand household furniture
C. Wages earned by domestic workers
D. Capital gains on shares

25 An economy records household consumption of $800 billion, investment of $250 billion, government spending of $300 billion, exports of $150 billion, and imports of $200 billion. GDP by the expenditure method is:

National income measurement methods Medium
A. billion
B. billion
C. billion
D. billion

26 The value-added method prevents double counting mainly by:

National income measurement methods Medium
A. Subtracting imports from exports
B. Excluding all intermediate goods from production
C. Recording each firm's contribution to output
D. Adding only final retail prices

27 Why is GDP per capita an imperfect measure of average economic well-being?

Uses and limitations of national income accounting Medium
A. It automatically adjusts for environmental damage
B. It excludes all market production
C. It measures only government production
D. It ignores income distribution and non-market work

28 A country reports rising GDP while pollution and traffic congestion worsen substantially. This illustrates that GDP:

Uses and limitations of national income accounting Medium
A. Includes household leisure as output
B. Measures environmental quality directly
C. Always falls when pollution rises
D. May rise without reflecting social costs

29 Which use of national income statistics is most relevant when a government compares economic performance over several years?

Uses and limitations of national income accounting Medium
A. Identifying every informal transaction
B. Measuring individual happiness exactly
C. Determining the value of all unpaid work
D. Estimating changes in real output

30 In a two-sector economy with households and firms, households provide factors of production mainly in exchange for:

Circular flow of income in two-sector economies Medium
A. Subsidies from foreign countries
B. Factor incomes from firms
C. Imports and exports
D. Taxes from the government

31 If households save part of their income in a simple two-sector model, saving is treated as a:

Circular flow of income in two-sector economies Medium
A. Injection into the circular flow
B. Direct export from firms
C. Leakage from the circular flow
D. Payment for intermediate goods

32 In a two-sector economy, planned investment increases by $40 million while planned saving remains unchanged. In the short run, this change is most likely to cause:

Circular flow of income in two-sector economies Medium
A. A reduction in household income
B. An increase in aggregate expenditure
C. An increase in firms' inventories
D. A fall in aggregate expenditure

33 In a three-sector economy, taxes collected by the government are classified as:

Circular flow of income in three-sector economies Medium
A. An injection into household spending
B. A payment for imported goods
C. A component of private investment
D. A leakage from the circular flow

34 Suppose government spending rises by $100 million while taxes remain unchanged. The immediate effect in a three-sector economy is likely to be:

Circular flow of income in three-sector economies Medium
A. No change in aggregate demand
B. A $100 million leakage
C. A $100 million injection
D. A $200 million leakage

35 If government expenditure is $600 billion and tax revenue is $500 billion, the government sector has a:

Circular flow of income in three-sector economies Medium
A. Budget surplus of $100 billion
B. Balanced budget of $1,100 billion
C. Trade deficit of $100 billion
D. Budget deficit of $100 billion

36 In a four-sector economy, exports are classified as an injection because they:

Circular flow of income in four-sector economies Medium
A. Represent taxes paid to the government
B. Increase household saving automatically
C. Reduce domestic production
D. Bring spending into the domestic economy

37 If imports increase while exports remain unchanged, the most direct effect on the circular flow is:

Circular flow of income in four-sector economies Medium
A. A larger domestic injection
B. A larger leakage from domestic spending
C. A guaranteed rise in domestic investment
D. A smaller foreign-sector leakage

38 An open economy has saving of $80 billion, taxes of $60 billion, imports of $40 billion, investment of $90 billion, government spending of $50 billion, and exports of $40 billion. Which statement is correct?

Circular flow of income in four-sector economies Medium
A. Leakages exceed injections by $20 billion
B. Injections equal leakages at $100 billion
C. Injections exceed leakages by $20 billion
D. Leakages equal injections at $180 billion

39 Which indicator is most directly used to measure the general rate at which prices of goods and services are rising?

Macroeconomic indicators Medium
A. Consumer price index
B. Labor productivity
C. Balance of trade
D. Unemployment rate

40 A country's unemployment rate falls because many discouraged workers stop searching for jobs. What is the best interpretation?

Macroeconomic indicators Medium
A. Inflation must have accelerated
B. Real GDP must have decreased
C. The labor force participation rate may have fallen
D. Employment definitely increased

41 An economy has GDP at market prices of billion, net factor income from abroad of billion, depreciation of billion, and net indirect taxes of billion. What is national income, conventionally measured as net national product at factor cost?

National income accounting: concepts Hard
A. billion
B. billion
C. billion
D. billion

42 Which transaction increases measured GDP but does not necessarily increase current economic welfare by the same amount?

National income accounting: concepts Hard
A. A firm sells newly produced machinery to another firm
B. A student provides unpaid care for an elderly relative
C. A household buys newly produced medical services
D. The government pays for repairing storm damage

43 A domestic-owned factory operating abroad earns profits, while a foreign-owned factory operating domestically earns an equal amount. Holding all else constant, which change occurs?

National income accounting: concepts Hard
A. Both GDP and GNP rise equally
B. GDP falls while GNP rises
C. GDP rises and GNP remains unchanged
D. GNP rises and GDP remains unchanged

44 In an economy, employee compensation is billion, rent is billion, interest is billion, profits are billion, mixed income is billion, depreciation is billion, and net indirect taxes are billion. What is GDP at market prices by the income method?

National income measurement methods Hard
A. billion
B. billion
C. billion
D. billion

45 Suppose final consumption is billion, gross private investment is billion, government consumption is billion, exports are billion, and imports are billion. If inventories unexpectedly rise by billion and are not included in reported investment, measured GDP based on the expenditure method is:

National income measurement methods Hard
A. billion
B. billion
C. billion
D. billion

46 A country reports nominal GDP of billion in year 2 and a GDP deflator of with year 1 as the base. What is real GDP in year 2 at year-1 prices?

National income measurement methods Hard
A. billion
B. billion
C. billion
D. billion

47 A firm produces a machine worth million, sells it to another firm for million after adding processing worth million, and the buyer sells the final product to households for million after adding services worth million. What value should the production approach add to GDP?

National income measurement methods Hard
A. million
B. million
C. million
D. million

48 Country A has higher GDP per capita than Country B, but also substantially greater income inequality, pollution, commuting time, and unpaid household production. Which conclusion is most defensible?

Uses and limitations of national income accounting Hard
A. Country A necessarily has higher economic welfare
B. GDP per capita alone cannot rank comprehensive welfare
C. Nominal GDP automatically captures distributional differences
D. Country B necessarily has higher economic welfare

49 If a country changes its statistical base year and discovers previously omitted digital services, which interpretation is correct?

Uses and limitations of national income accounting Hard
A. The statistical estimate may rise without new production
B. The current-account balance must improve automatically
C. Real output must have increased physically overnight
D. Nominal output must fall because revisions remove bias

50 Why can comparing GDP across countries using market exchange rates produce a misleading comparison of living standards?

Uses and limitations of national income accounting Hard
A. Exchange rates measure only government output
B. Exchange rates may not reflect purchasing power
C. Exchange rates remove differences in price levels
D. Exchange rates ignore all traded goods

51 In a two-sector economy with households and firms, households save billion and firms plan investment of billion. If there is no government or foreign sector, what adjustment is required for equilibrium income?

Circular flow of income in two-sector economies Hard
A. Income must contract because saving exceeds investment
B. Income must expand because investment exceeds saving
C. Consumption must equal investment before equilibrium
D. Income is unchanged because saving is autonomous

52 In a two-sector Keynesian model, consumption is and planned investment is . What is equilibrium income?

Circular flow of income in two-sector economies Hard
A. billion
B. billion
C. billion
D. billion

53 For an economy with households, firms, and government, disposable income is , consumption is , taxes are , investment is , and government spending is . What is equilibrium income?

Circular flow of income in three-sector economies Hard
A. billion
B. billion
C. billion
D. billion

54 In a three-sector economy, the marginal propensity to consume out of disposable income is and the proportional tax rate is . Ignoring imports, what is the government expenditure multiplier?

Circular flow of income in three-sector economies Hard
A.
B.
C.
D.

55 An open economy has , , planned investment , government spending , exports , and imports . What is equilibrium income?

Circular flow of income in four-sector economies Hard
A. billion
B. billion
C. billion
D. billion

56 In a four-sector economy, the marginal propensity to save is , the tax rate is , and the marginal propensity to import is $0.15. What is the simple expenditure multiplier?

Circular flow of income in four-sector economies Hard
A.
B.
C.
D.

57 Nominal GDP grows by , the GDP deflator rises by , and population grows by . Approximately how much does real GDP per capita grow?

Macroeconomic indicators Hard
A.
B.
C.
D.

58 The unemployment rate falls while the employment-to-population ratio also falls. Which development can reconcile both observations?

Macroeconomic indicators Hard
A. Employment rises faster than the labor force
B. The labor force participation rate declines
C. Every unemployed worker finds a job
D. The working-age population becomes irrelevant

59 The consumer price index rises from to , while nominal wages rise from to . What happens approximately to the real wage measured in base-period purchasing power?

Macroeconomic indicators Hard
A. It rises by approximately
B. It remains unchanged
C. It falls by approximately
D. It falls by approximately

60 A firm observes strong GDP growth, falling inflation, rising real interest rates, and a depreciating currency. Which combined interpretation is most appropriate for strategic analysis?

Business environment analysis Hard
A. Demand is weak and imported inputs are cheaper
B. Growth is favorable but financing and import costs may rise
C. Inflation is accelerating and exports become less competitive
D. Real borrowing costs fall while foreign goods become cheaper