JAMB Economics Past Questions & Answers - Page 244

1,216.

The long-run average cost curve is called a planning curve because it shows what happens to costs when

A.

A bigger size of plant is built

B.

Different sizes of plants are built

C.

Variable inputs are increased

D.

Fixed factors are increased

Correct answer is C

No explanation has been provided for this answer.

1,217.

The major reason why nations engage in international trade is that

A.

It allows free movement of factors of production

B.

It makes possible the use of capital-intensive method of production

C.

Nations are substantially different in their endowments of economic resources

D.

It affords the trading nations the opportunity to earn high profit

Correct answer is C

No explanation has been provided for this answer.

1,218.

Price elasticity of supply is a ratio of the change in

A.

Original quantity to a change in new quantity

B.

Quantity supplied to the change in price

C.

Price to the change in quantity supplied

D.

Quantity supplied to the change in demand

Correct answer is B

No explanation has been provided for this answer.

1,219.

The loans from the World Bank to developing countries are mainly to support

A.

The establishment of more universities

B.

Capital-intensive technology

C.

Infrastructural investments

D.

Their low level of consumption

Correct answer is C

No explanation has been provided for this answer.

1,220.

Short-run period in production is a period too short for a firm to be able to change its

A.

Scale of operation

B.

Total revenue

C.

Total outputs

D.

Variable inputs

Correct answer is A

No explanation has been provided for this answer.