JAMB Economics Past Questions & Answers - Page 135

671.

The marginal product X is

A.

18

B.

20

C.

24

D.

25

Correct answer is C

No explanation has been provided for this answer.

672.

The average product Y is

A.

15.5

B.

14.6

C.

12.0

D.

8.0

Correct answer is A

No explanation has been provided for this answer.

673.

Commodities I and II are

A.

Competitive supply

B.

Substitute supply

C.

Joint supply

D.

Derived supply

Correct answer is B

No explanation has been provided for this answer.

674.

If all factors are variable in the long run,firms will experience

A.

Decreasing returns to scale

B.

Increasing returns to scale

C.

Diminishing returns

D.

Economies of scale

Correct answer is B

In the longrun, all production factors are variable (changes) and a firm operating in the longrun would enjoy increasing returns to scale because they will be operating at a higher level of output with lower cost.

675.

Calculate the total number of people engaged in tertiary production from the data above

A.

5,000,000

B.

6,250,000

C.

11,750,000

D.

12,250,000

Correct answer is B

No explanation has been provided for this answer.