One common definition of luxury goods is goods with an income elasticity
A. greater than one
B. equal to one
C. less than one but more than zero
D. none of these
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Which of the following is the best example of Agreement between oligopolists?
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When with a change in price the total outlay on a commodity remains constant, it is a case of
A. perfect elasticity
B. perfect inelasticity
C. unit elasticity
D. zero elasticity
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Match the following.
List-I
List-II
a. Large number of seller with identical products
1. Monopolistic competition
b. Large number of seller with differentiated products
2. Oligopoly
c. Single seller with single buyer
3. Bilateral monopoly
d. Few sellers
4. Perfect competition
A. a-1, b-2, c-3, d-4
B. a-4, b-1, c-3, d-2
C. a-4, b-2, c-3, d-1
D. a-1, b-4, c-3, d-2
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The short-run production function for a firm is as follows
Q = -L3 + 15L2 + 10L
Where Q denotes total output in physical units and L denotes units of labour which are homogeneous, but are not perfectly divisible and change in labour does not tend to become zero.
Statement I In this production function, the marginal product of 5th unit of labour is 85.
Statement II Similarly, in this production function, the average product of the 5th unit of labour is 60.
A. Both the statements are true
B. Both the statements are false
C. Statement I is true, while Statement II is false
D. Statement I is false, but Statement II is true
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Monopolists prefer to sell the products in the markets with
A. Elastic demand
B. Unitary elastic demand
C. Inelastic demand
D. Absence of elasticity of demand
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Which of the following statement is correct?
A. Law of variable proportion will not apply, if there is an improvement in the technology
B. Product obtained from the additional factor of production is termed as average product
C. If marginal product goes on increasing it should be understood that the law of constant returns is applying
D. Modern economies have propounded the law of increasing return
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A natural monopoly refers to a monopoly that is defended from the direct competition by
A. Economies of scale over a broad range of output
B. Government franchise
C. Control over vital input
D. Patent or copyright
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The term optimum allocation on consumer's expenditure on various goods and services is used in
A. Giffen paradox
B. Law of demand
C. Law of diminishing MU
D. Law of equi-marginal utility
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Which factor price can become zero?
A. Interest
B. Salary of the manager where there are losses
C. Profit
D. Wages in depression
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If the demand for a good is price elastic, a fall in its price will lead to:
(i) A rise in sales
(ii) A fall in sales
(iii) A rise in total expenditure on the good
(iv) A fall in total expenditure on the good
A. (i) and (iii) only
B. (i) and (vi) only
C. (ii) and (iii) only
D. (ii) and (iv) only
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'Price Pool' is formed to:
A. Increase prices only
B. Decrease prices only
C. Determine a price policy
D. Determine a sales policy
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When the price of a substitute of commodity X falls, the demand for X-
A. rises
B. falls
C. remains unchanged
D. any of the above
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The assessment of national income is prepared by
A. Reserve Bank of India
B. Ministry of finance
C. Central statical organization
D. Planning commission
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Cardinal measure of utility is required in:
A. Utility theory
B. Indifference curve analysis
C. Revealed preference
D. Inferior good
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A person is obliged to choose between buying a sewing-machine and a radio. He buys the radio. The opportunity cost of the radio may be said to be
A. the satisfaction obtained from its purchase
B. the sewing-machine he had to do without
C. the scarcity value of the radio in money terms
D. the average cost of both commodities
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'Consumer-equilibrium' means
A. that maximum satisfaction is obtained at minimum sacrifice
B. that the consumer is in static and unsatisfactory position
C. that all consumers reach the highest indifference curve
D. that equilibrium of buyers matches with the equilibrium of sellers
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Along an indifference curve, if the marginal rate of substitution is 3, then the consumer is willing to
A. Pay for one unit of the good measured along the Y-axis
B. Given up one unit of the good measured along the Y-axis for three units of the good measured along the X-axis
C. Given up three units of the good measured along the Y-axis for one unit of income, i.e., Rs. 1 of income
D. Given up three units of the good measured along the Y-axis for one unit of the good measured along the X-axis
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The long-run supply curve of a perfectly competitive firm
A. Is equal to that portion of the long-run marginal cost curve that is above the relevant short-run average variable cost curve
B. Is equal to that portion of the long-run marginal cost curve that is above the relevant short-run average total cost curve
C. Is equal to that portion of the long-run average total cost curve that is above the relevant short-run average variable cost curve
D. None of the above
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Normally Demand curve slopes
A. Upward
B. Downward
C. Horizontal
D. Vertical
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