WAEC Economics Past Questions & Answers - Page 31

151.

A large firm may experience diseconomies of scale if there is

A.

Difficulty in coordinating decisions

B.

Division of labourĀ in production

C.

Employment of more specialist

D.

Decrease in the cost of production

Correct answer is A

Diseconomies of scale occur when a firm or business grows so big that the costs per unit of output increase. If the firm becomes so large that it can no longer efficiently coordinate production activities, it will most likely experience diseconomies of scale.

152.

If a beef market is in equilibrium at $4.00 per kg, an increase in price to $6.00 per kg may cause

A.

Surplus in the market

B.

Shortage in the market

C.

Black market to come into operation

D.

Rationing to be introduced

Correct answer is A

When a price floor is set above the equilibrium price, quantity supplied will exceed quantity demanded, and excess supply or surpluses will result.

153.

A seller increased the quantity he offered for sale from 200 units to 250 units when the price of his product increased by 12.5%. What is the price elasticity of the supply of his product?

A.

2.00

B.

1.50

C.

1.00

D.

0.50

Correct answer is A

The price elasticity of supply = % change in quantity supplied / % change in price

% change in quantity supplied = 250 - 200 = 50

50/200 x 100 = 25

Therefore, price elasticity of supply = 25/12.5 = 2

154.

An increase in supply means that

A.

More is sold at different prices

B.

More is sold at the same price

C.

There is a leftward shift of the supply curve

D.

There is a movement along the supply curve

Correct answer is B

An increase in supply refers to the rise in the supply of a good or service at the same price or a rightward shift in the supply curve.

This means that producers plan to sell more of the goods at each possible price.

155.

If an increase in the supply of beef increased the supply of hides, then beef and hides are in

A.

Competitive supply

B.

Joint supply

C.

Composite supply

D.

Joint demandĀ 

Correct answer is B

Joint supply refers to a product that can end up being transformed into at least two other types of goods. for instance, hides are a natural by-product of meat production and are gotten from livestock. An increase in the supply of beef will automatically lead to an increase in the production and supply of hides.