JAMB - Economics (2022)

  • 1
    Marginal cost is?
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    (D)
    the cost of production of the last or extra unit of goods produced by a firm
  • 2
    The price mechanism 
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    (A)
    regulates supply and demand
  • 3
    In a free market economy, the rationing of scarce goods is done principally by?
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    (C)
    the price mechanism
  • 4
    Scale of preference shows
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    (D)
    consumer's wants in order of priority
  • 5
    There is unemployment of resources when production is
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    (A)
    within the production possibility curve
  • 6
    A major characteristic of natural resources is they
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    (C)
    are free gifts of nature
  • 7
    A major disadvantage of a capitalist economy is that it
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    (D)
    worsens income inequality among the citizens
  • 8
    The mining sector of an economy contributes 60% to the Gross Domestic Product(GDP). If the GDP is $540, what is the contribution of the mining sector?
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    (C)
    $ 324.00
  • 9
    The increase in the demand for a commodity may lead to a decrease in the demand for another if both are
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    (D)
    in competitive demand
  • 10
    The demand curve for goods of ostentation is usually
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    (B)
    positively sloped
  • 11

    PN equals average revenue or marginal revenue cure of

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    (C)
    a perfectly competitive firm
  • 12
    If the quantity demanded of a commodity increases from 20 units to 30 units when there is an increase in price from $4.00 to $5.00, the elasticity of demand is
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    (C)
    2.00
  • 13
    The supply curve of a locally-produced good may shift to the right if
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    (B)
    government increases subsidies
  • 14
    In perfectly elastic supply, the supply curve
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    (B)
    is horizontal
  • 15

    A country's budget allocation to various sectors of the economy is shown in the pie chart above...

    Use it to answer this question.

    If the budget of the country was $7,200, how much is allocated to Education?

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    (A)
    $2,400.00
  • 16

    A country's budget allocation to various sectors of the economy is shown in the pie chart above...
    Use it to answer this question

    What is the ratio of expenditure on health to Agriculture if the yearly budget is 7200?

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    (B)
    3:4
  • 17
    A consumer of a single commodity is in equilibrium when
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    (B)
    he equates marginal utility and price
  • 18
    If the government imposes a minimum price on a commodity
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    (A)
    market surplus occurs
  • 19
    A minimum price legislation is also called
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    (B)
    price floor
  • 20
    Which of the following factors is not a cause of diminishing returns?
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    (D)
    Technological innovations
  • 21
    In manufacturing, division of labour may be hindered by
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    (B)
    low level of technology
  • 22
    The production cost that varies inversely with output is the
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    (D)
    average cost
  • 23
    A firm that closes down will still incur
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    (B)
    fixed cost
  • 24
    The sufficient condition for a firm to be in equilibrium is that the
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    (D)
    marginal cost curve cuts the marginal revenue curve from below
  • 25
    Cooperative societies are formed mainly to
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    (C)
    promote and maintain the welfare of members
  • 26
    A disadvantage of a jont-stock company is
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    (D)
    limited control in management by shareholders
  • 27
    The middlemen is responsible for
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    (D)
    breaking the bulk
  • 28
    A major function of the retailer is to
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    (B)
    break bulk and sell products in small units
  • 29
    A positive effect of a rapid population increase is
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    (C)
    a wider market for goods and services
  • 30
    Which of the following factors may not affect the efficiency of labour?
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    (C)
    Race and colour of workforce
  • 31
    The type of unemployment found among workers who leave their jobs in search of other jobs is termed
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    (C)
    frictional unemployment
  • 32
    The main objective of marketing boards is to
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    (C)
    stabilize the incomes of cash crop farmers
  • 33


    The point x inside the ppc indicate?

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    (C)
    some resources are idle
  • 34
    Which of the following industries will add more value to primary products?
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    (C)
    Mining industry
  • 35
    Gross National Product (GNP) less the provision for the wear and tear of assets is the
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    (B)
    net national product
  • 36
    An example of transfer payments in national income accounting is
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    (B)
    unemployment allowance paid to the citizens
  • 37
    Increasing national income without effective control of population size in a country can lead to
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    (D)
    underutilization of resources
  • 38
    An example of commodity money is
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    (D)
    silver
  • 39
    If inflation is anticipated, people may
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    (B)
    spend more money
  • 40
    If the Central Bank increases its bank rate
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    (C)
    the supply of money may be reduced
  • 41
    Commercial banks are different from development banks in that the latter
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    (D)
    do not deal in foreign currencies
  • 42
    The use of the bank rate, cash ratio and open market operations constitute
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    (B)
    monetary policy
  • 43
    Fiscal policy measures imply a change in
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    (D)
    government revenue and expenditure to regulate an economy
  • 44
    Economics problems arise in all societies because
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    (C)
    resource are not in adequate supply
  • 45
    Which of the following is not emphasized in a product possibility curve?
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    (D)
    Unemployment of labour
  • 46
    Producers operating in a free market economy are more efficient as a result of
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    (A)
    the existence of competition
  • 47
    In a pie chart, the population of a city is represented by 45. If the country has a population of 10 million people, then the city's population is?
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    (C)
    1.25 million
  • 48
    A downward sloping demand curve means that
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    (D)
    price must be lowered to sell more
  • 49
    If the price of commodity X rises and consumers shift to commodity Y, then commodities X and Y are
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    (A)
    substitutes
  • 50
    An exceptional demand curve can result from
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    (C)
    expectation of future price increase
  • 51
    Palm oil and palm kernel are in
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    (A)
    joint supply
  • 52
    A supply curve parallel to the X-axis indicates
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    (B)
    infinitely elastic supply
  • 53
    If the marginal utility of commodity is equal to its price, then
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    (A)
    the consumer is in equilibrium
  • 54
    A price floor is usually fixed
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    (D)
    above the equilibrium and causes surpluses
  • 55
    A firm's average cost decreases in the long-run because of
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    (A)
    increasing returns to scale
  • 56
    In the long-run, a firm must shut down if its average revenue is
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    (B)
    less than average variable cost
  • 57
    In the event of bankruptcy, owners of joint-stock companies lose
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    (C)
    only the capital invested
  • 58
    Wholesalers play an important in the distribution of goods and services because they
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    (B)
    finance both producers and retailers
  • 59
    If workers at the school canteen cannot sell during the holidays, this is example of
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    (C)
    seasonal unemployment
  • 60
    Positive check as envisaged by Thomas Malthus can be prevented if
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    (D)
    there is natural calamities
  • 61
    Which of the following factors is not a reason for farmers' unstable incomes?
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    (A)
    dependence on too many crops
  • 62
    Local firms can help in reducing unemployment in a country when
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    (B)
    imports of substitutes are reduced
  • 63
    The largest component of national income in developing countries consist of
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    (D)
    wages and salaries
  • 64
    A baker bought flour and other ingredients for S250.00, spent S52.00 on distribution, sold the bread for S320.00. The value added by the baker.
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    (C)
    $18.00
  • 65
    In a country with large population of full-time house wives, national income
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    (B)
    figures will be grossly over-stated
  • 66
    Demand-pull inflation is likely to be caused by
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    (D)
    increasingly large budget deficit
  • 67
    Holding money to take care of contingencies is
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    (C)
    a precautionary motive
  • 68
    If a housewife has meat and wants tomatoes, she must find someone who has tomatoes to give and wants meat. This concept is described as
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    (D)
    double coincidence of wants
  • 69
    The stock exchange is an example of the
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    (D)
    capital market
  • 70
    What happens when the central bank increases the bank rate in an economy
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    (A)
    borrowing is discouraged
  • 71
    In order to increase revenue, government should tax commodities for which demand is
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    (B)
    price inelastic
  • 72

    The figure above shows change in demand for commodity x which is a normal good. Use it to answer the questions that follows

    Which of the following caused the change in demand from D0 D0 to D2 D2?

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    (B)
    Rise in the price of a substitute
  • 73
    Which of the following activities will not lead to economic growth?
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    (D)
    Massive importation of consumer goods
  • 74
    Nation engage in external trade because of difference in
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    (A)
    comparative cost
  • 75
    Which of the following forms of economic integration is a member nation free to impose duty against non-members
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    (A)
    Customs union
  • 76

    The pie chart above represents the total population of a school of 1,200. The shaded area of 60º shows the population of the underaged pupils.

    What is the population of the matured students?
     

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    (C)
    1000
  • 77

    What type of price elasticity of demand is the diagram above representing?

     

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    (A)
    perfectly inelastic demand
  • 78

    The curve labelled x is the

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    (B)
    total product curve
  • 79

    The line labelled M in the diagram above represent

     

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    (B)
    fixed cost
  • 80
    The International Bank for Reconstruction and Development(IBRD) performs the following functions except-------
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    (C)
    reducing tariff among members