JAMB Economics Past Questions & Answers - Page 54

266.

One of these is not an assumption of the cardinalist theory of utility?

A.

The consumer is rational

B.

Diminishing marginal utility

C.

The concept of money utility

D.

Consistency and transivity of choice

Correct answer is D

No explanation has been provided for this answer.

267.

In the case of highly or close complementary goods, the indifference curve is______

A.

A straight line

B.

A right-angled

C.

L-shaped

D.

Curvature

Correct answer is D

From the diagram, the shape is near the bend i.e Curvature at point A and point B (point of Origin).

268.

The most important cost curve for the firm is_________

A.

MC

B.

AC

C.

TC

D.

FC

Correct answer is B

Average cost shows the cost per unit of any chosen output.

269.

The average curve and the marginal curve are U-shaped in the short-run and flatter in the long-run due to________

A.

Economies of scale

B.

Money cost

C.

Opportunity cost

D.

Cost functions

Correct answer is A

Economies of scale which is also known as scale of production set the size of plant, the number of plants installed and the technique of product. In the short-run, there is no time for the plant to expand while in the long-run, there is enough time for the firm to expand its size of plant which makes the AC α MC shape flatter.

270.

Restrictive monetary policy is designed to curtail aggregate demand and to overcome________

A.

Deflation

B.

Reinflation

C.

Disinflation

D.

Inflationary gap

Correct answer is D

Restrictive monetary policy which is also known as contractionary monetary policy is used to increase interest rate and reduce investment so as to control inflation in an economy.