JAMB Economics Past Questions & Answers - Page 330

1,646.

At any given level of output, a firm's total variable cost equals

A.

Total cost less than marginal cost

B.

Total cost less than total fixed cost

C.

Total cost less than average cost

D.

Average variable cost and marginal cost

Correct answer is B

No explanation has been provided for this answer.

1,647.

At any given level of output, the total cost of a firm equals the

A.

Marginal cost plus the average cost

B.

Fixed costs less its varriable cost

C.

Average cost multiplied by variable cost

D.

Economic cost multiplied by variable cost

Correct answer is C

No explanation has been provided for this answer.

1,648.

If units of a variable factor are increasingly added to a fixed factor and the marginal physical product keeps increasing, production is said to be taking place under conditions of

A.

Increasing returns to the variable factor

B.

Increasing returns to scale

C.

Constant returns to variable factor

D.

External economies of scale

Correct answer is A

No explanation has been provided for this answer.

1,649.

Macro-economics is a study of economics science from the point of view of

A.

Resource markets or production units

B.

Individual producers or consumers

C.

Aggregate or general economy

D.

Companies or individual firms

Correct answer is C

Macro-economics is the field of economics that studies the behaviour of the aggregate economy.

1,650.

A school girl who needs a book and mirror, each costing five naira, decides to purchase the book instead of the mirror since she cannot pay for the two at the same time. Determine the real cost of her book.

A.

The five naira she spent on the book

B.

Five naira real cash value

C.

The mirror

D.

The book

Correct answer is C

No explanation has been provided for this answer.