JAMB Economics Past Questions & Answers - Page 142

706.

If the economy of the country is operating at X, the implication is that

A.

The productive capacity is being fully utilized

B.

The productive capacity is not being fully utilized

C.

Too little of consumer goods is being produced

D.

There is a disequilibrium between the production of capital and consumer goods

Correct answer is B

No explanation has been provided for this answer.

707.

The diagram represents a production function. At which of the points does diminishing returns set in?

A.

I

B.

J

C.

K

D.

L

Correct answer is B

No explanation has been provided for this answer.

708.

What type of unemployment is revealed by the dotted lines on the graph?

A.

Frictional unemployment

B.

Cyclical unemployment

C.

Circular unemployment

D.

Underemployment

Correct answer is B

No explanation has been provided for this answer.

709.

Using the table calculate the net income

A.

N58m

B.

N54m

C.

N50m

D.

N46m

Correct answer is D

No explanation has been provided for this answer.

710.

Determine the marginal revenue if the total revenue is 80.00

A.

6.00

B.

12.00

C.

14.00

D.

18.00

Correct answer is B

Company calculates marginal revenue by dividing the change in total revenue by the change in total output quantity. 

changes in total revenue = 80 - 68 = 12

change in output = 1

therefore 12/1 = 12

so when total revenue is 80, the marginal revenue would be 12

outputs in units total revenue in N Average revenue in N marginal revenue in N
1 20 20 20
2 38 19 18
3 54 18 16
4 68 17 14
5 80 16 12