WAEC Past Questions and Answers - Page 3626

18,126.

Income elasticity of demand is measurement of the responsiveness of

A.

Price to change in income

B.

Quantity demanded to change in income

C.

Change in expenditure to change in income

D.

Change in expenditure to change in price of the commodity

Correct answer is B

No explanation has been provided for this answer.

18,127.

When all factor inputs are doubled, the production possible curve will

A.

Shift from left to right and return to its orignal position

B.

Shift from left to right

C.

Remain in its former position

D.

Shift from right to left

Correct answer is B

No explanation has been provided for this answer.

18,128.

The marginal revenue curve of a monopolist is

A.

Upward sloping from the right to left

B.

Downward sloping from left to right

C.

Parallel to the quantity axis

D.

Downward sloping from right to left

Correct answer is B

The marginal revenue curve for the monopoly firm is downward sloping from left to right and lies below the market demand curve. It shows the additional revenue the monopolist gained from selling an additional unit.

18,129.

Profits can be calculated by

A.

Subtracting total cost from total revenue

B.

Subtracting average revenue from total cost

C.

Dividing total revenue from total output

D.

Dividing marginal revenue by marginal cost

Correct answer is A

No explanation has been provided for this answer.

18,130.

A priority rating of aggregate individual's wants is called

A.

Scarcity

B.

Choice

C.

Scale of preference

D.

Opportunity cost

Correct answer is C

No explanation has been provided for this answer.