WAEC Economics 2017 Past Questions

Practice each question, then open it to see the full details.

Question 1

A dealer in deep freezers increased the price of his product from $450 to $500 and sales dropped from 800 units to 600 units a week. 
Use the information above to answer the questions that follow.
(a)(i) Calculate the price elasticity of demand
(ii) What type of elasticity is it? Explain your answer

(b)Calculate the (i) total revenue of the company before and after price increase; (ii) change in total revenue. 

(c) What is the effect of the increase in price on the total revenue?

(d) State two factors influencing price elasticity of demand. 

Theory
Question 2

The market for apples is represented by the following demand and supply functions:
Qd = 30 - p;
Qs = 15 + 2p.
(a) Prepare a demand and supply schedule for the market, given the prices $2.00, $4.00 and $7.00.

(b) (i) Determine the equilibrium price and equilibrium quantity of apples in the market.
(ii) If the price of apple is fixed at $3.00, what will be the excess demand or excess supply.
(c) Suppose the demand function changed to Qd = 40 - p. Using the prices in (a) above:
(i) prepare a new demand schedule;
(ii) does it represent an increase or a decrease in demand?
(iii) explain your answer in (c) (ii) above. 

Theory