Economics questions and answers

Economics Questions and Answers

Economics questions and answers to help you prepare for JAMB, WAEC, NECO, Post UTME and job aptitude tests or interviews.

536.

In order to calculate total utility (TU) from given levels of marginal utility (MU), one has to

A.

Subtract MU from TU

B.

Add MU from the various levels

C.

Multiply MU by the initial TU

D.

Divide current MU by previous MU

Correct answer is B

Marginal utility is addition made to total utility by consuming one more unit of a commodity.

Total Utility is Summation of Marginal Utilities: in order to get the total utility, you will have to sum up the additional/extra utility (MU) from the given levels of consumption.

537.

If the price of a commodity Z falls and a consumer buys less of it, then commodity Z is a

A.

Necessity

B.

Good of ostentation

C.

Normal good

D.

Giffen good

Correct answer is B

An ostentatious good is a good where demand is often greater when the price of it is higher. These are goods we buy in order to 'keep up with the Jones'. The good may give little actual utility apart from the pride of owning something very few other people own.

538.

Government revenue will increase if taxes are levied on goods with

A.

Perfectly elastic demand

B.

Fairly elastic demand

C.

Perfectly inelastic demand

D.

Unitary elastic demand

Correct answer is C

A good with a perfectly inelastic demand will always sell irrespective of the change in the price of the product. This is one way the government can increase revenue generation through taxation. 

An example of perfectly inelastic demand would be a lifesaving drug that people will pay any price to obtain.

539.

if a given change in price brings a proportionately larger change in quantity demanded, the

A.

Demand is relatively price elastic

B.

Demand is relatively price inelastic

C.

Price elasticity of demand is unitary

D.

Price elasticity of demand is constant

Correct answer is A

Price elasticity is a measure of the responsiveness of demand or supply of a good or service to changes in price. The price elasticity of demand measures the ratio of the proportionate change in quantity demanded to the proportionate change of the price.

540.

The market supply curve slopes upward from left to right indicating that?

A.

Producers pay high taxes

B.

Two commodities can be supplied at the same time

C.

At a lower price, less is supplied

D.

At a lower price, more is supplied and demanded

Correct answer is C

In most cases, the supply curve is drawn as a slope rising upward from left to right, since product price and quantity supplied are directly related (i.e., as the price of a commodity increases in the market, the amount supplied increases, and at a lower price, supply decreases).