JAMB - Economics (1990)

  • 1
    If one orange costs 20k and one kilogram of beef costs N10.00, the opportunity cost of one kilogram of beef is?
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    (A)
    50 oranges
  • 2
    In economic life, choice among alternatives depends on the?
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    (C)
    scale of preference of the decision maker
  • 3
    One of the major advantages of specialization is that?
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    (D)
    the worker wastes less time between operations
  • 4
    Which of following rewards is associated with entrepreneurship as a factor of production?
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    (B)
    Profit
  • 5
    A firm achieves least-cost in production by substituting factors until?
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    (B)
    the ratio of their marginal -physical-products equals the ratio of their prices
  • 6
    Economics of scale operate only when?
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    (B)
    average cost is falling with output
  • 7
    At the point of profit maximization by a firm, marginal cost is?
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    (D)
    rising
  • 8
    A situation in which all inputs are doubled and output also doubles is known as?
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    (D)
    constant returns to scale
  • 9
    The law of diminishing marginal utility indicates that if a consumer increases his consumption of a commodity continuously, his?
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    (B)
    marginal utility must fall
  • 10
    Technical progress that leads to a reduction in costs results in?
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    (D)
    a decrease in equilibrium price and increase in equilibrium quantity
  • 11
    If an increase in income induces a reduction in the demand for beans, beans can be referred to as?
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    (B)
    an inferior good
  • 12
    The demand for a product is said to be price inelastic if?
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    (A)
    the price elasticity of demand is less than one
  • 13
    An imperfect market in which there is only one buyer of a commodity is?
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    (A)
    monopsony
  • 14
    The tailoring services is competitive partly because it consists of a large number of?
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    (C)
    small scale enterprises
  • 15
    Which of the following is applicable to a monopolistic firm operating at the output where marginal cost equals marginal revenue?
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    (C)
    Price is above marginal revenue
  • 16
    Which of the following is the major function of the wholesaler?
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    (A)
    Bulk breaking
  • 17
    In the distribution channels for goods and services, the middleman's mark-up margin provides a rough measure for the ?
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    (B)
    reward for business enterpreneurship
  • 18
    Which of the following reasons could induce a manufacturer to bypass the wholesaler in the distribution chain?
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    (B)
    To collect useful information on his product
  • 19
    A major difference between a state-owned enterprise and a private enterprise is that the former?
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    (B)
    is not always expected to maximize profits while the latter is
  • 20
    Divorce of ownership from control is a characteristic of?
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    (B)
    a limited liability company
  • 21
    Capital provided by individuals to the firm by purchasing stocks is called?
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    (D)
    equlity capital
  • 22
    Which of the following factors is the most important in siting a petrol-chemical plants?
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    (A)
    Nearness to the source of raw materials
  • 23
    Which of the following will be the effect of allowing only economic factors to dedicate the location of industries in Nigeria?
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    (B)
    There will be an unbalanced spread in the distribution of industries
  • 24
    If the same basket of goods which cost N12.00 in 1985 cost N15.00 in 1987, price index for 1987 is?
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    (D)
    125
  • 25
    Which of the following is likely to be inflationary?
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    (D)
    Wages increase
  • 26
    The basic purpose of imposing legal reserve requirements on commercial bank is to?
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    (B)
    provide a device through which credit creation by banks can be controlled
  • 27
    Find the total credit that the banking system can create if primary deposit is just N100.00 while the cash ratio is 20%
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    (C)
    500.00
  • 28
    Which of the following is a liability of a commercial bank?
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    (A)
    Deposits in bank
  • 29
    A tax on a commodity whose supply is perfectly inelastic is?
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    (B)
    completely borne by the supplier
  • 30
    Under a system of freely floating exchange rates an increase in the international value of a country's currency will cause?
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    (B)
    its imports to rise
  • 31
    Balance of trade is the difference between?
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    (D)
    exports and imports of goods
  • 32
    Which of the following is likely to reduce a surplus in the balance of payments of a country?
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    (D)
    Currency appreciation
  • 33
    Which of the following is a tariff?
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    (D)
    Tax on imported goods
  • 34
    Import duties will increase total expenditure on imports if the demand for imports is?
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    (B)
    inelastic
  • 35
    Which of the following is likely to hinder labour mobility in Nigeria?
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    (B)
    Cultural similarities
  • 36
    If birth rate is constant and death rate declines, population?
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    (B)
    expands
  • 37
    If the government invest the sum of N1,000,000.00 and the marginal propensity to consume is 0.75, what is the change in income?
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    (B)
    N4,000 000.00
  • 38
    The system of measurement of national income as the sum of all final demands is called?
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    (B)
    expenditure approach
  • 39
    Disposable income is an income which?
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    (A)
    is available for consumption and savings
  • 40
    in equilibrium, injections are equal to?
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    (A)
    withdrawals
  • 41
    Social overhead capital refers to?
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    (C)
    the building of infrastructures
  • 42
    The most common index used for measuring development is?
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    (B)
    per capita income
  • 43
    Agriculture is central to Nigeria''s economic development because?
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    (B)
    agriculture is the largest employer of labour
  • 44
    The flow labelled Y refers to
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    (C)
    factor input
  • 45
    The lower half of the diagram indicates
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    (D)
    government transactions