JAMB Economics Past Questions & Answers - Page 99

491.

An increase in the marginal cost of production causes

A.

A downward movement along the supply curve

B.

A leftward shift of the supply curve

C.

A rightward shift of the supply curve

D.

An upward movement along the supply curve

Correct answer is D

No explanation has been provided for this answer.

492.

A firm incurs short-run costs when

A.

It cannot increase prices

B.

Operation is at its later stages

C.

Operation is at its early stages

D.

Some inputs cannot be varied

Correct answer is D

No explanation has been provided for this answer.

493.

When a firm's average revenue curve is downward-slopping, it's price elasticity of demand will be

A.

Zero

B.

Greater than one

C.

One

D.

Between zero and infinity

Correct answer is C

No explanation has been provided for this answer.

494.

The price per unit of a commodity to a buyer is the same as the

A.

Normal profit of the seller

B.

Average revenue of the seller

C.

Marginal cost of the commodity

D.

Marginal revenue of the seller

Correct answer is B

No explanation has been provided for this answer.

495.

A constraint on the expansion of a firm is the

A.

Rate of advertisement

B.

Level of producers income

C.

Tastes of the consumers

D.

Size of the market

Correct answer is D

No explanation has been provided for this answer.