JAMB Economics Past Questions & Answers - Page 373

1,861.

Which of the following is compatible with a firm in a purely competitive market?

A.

Demand is inelastic

B.

Demand is infinitely inelastic

C.

Marginal Cost is falling

D.

Price is greater than Marginal Cost

Correct answer is B

No explanation has been provided for this answer.

1,862.

An increase in supply will lower price unless

A.

Supply is perfectly inelastic

B.

Demand is perfectly inelastic

C.

It is followed by an increase in demand

D.

Demand is highly inelastic

Correct answer is C

No explanation has been provided for this answer.

1,863.

If a good is an inferior good, then

A.

It is also necessarily a Giffen good

B.

The quality of the goods demanded varies inversely with its price

C.

Its income elasticity of demand is negative

D.

The poor buy the good only out of habit

Correct answer is C

No explanation has been provided for this answer.

1,864.

For normal goods the income elasticity of demand is

A.

Positive

B.

Negative

C.

Zero

D.

Infinite

Correct answer is A

No explanation has been provided for this answer.