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Thursday, 11 June 2026
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Economics Past Questions and Answers

Jamb 1983 Economics Questions

Question 46:
Nigeria is currently implementing the?
  • A Third development plan
  • B Second development plan
  • C Fourth development plan
  • D Fifth development plan
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Question 47:
What is the market equilibrium price?
  • A 5.00
  • B 8.00
  • C 9.00
  • D 7.00
  • E 6.00
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Question 48:
In the diagram P1 S is a supply curve for a manufactured. it is shows that
  • A When price is OP<sub style='font-size: smaller;'>1</sub> quantity supplied is infinitely elastic
  • B The higher the price the greater the quantity supplied
  • C The higher the price the lower the quantity supplied
  • D When price is zero quantity supplied becomes infinite
  • E When price is infinite quantity supplied becomes zero
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Question 49:
In perfect competition a firm's price is equal to its marginal revenue which is again equal to average revenue. This form maximizes its profits when its marginal cost (MC) is equal to price (p). Which of the curves in the diagram below represents the firm's marginal cost (MC)?
  • A Curve I
  • B Curve ll
  • C Curve lll
  • D Curve lV
  • E Curves l and lll
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Question 50:
The curves Do Do and SoSo are the demand and supply curves respectively. What happens when government subsidizes producers in order to boost output?
  • A The supply curve will shift from S<sub style='font-size: smaller;'>o</sub>S<sub style='font-size: smaller;'>o</sub> to S<sub style='font-size: smaller;'>2</sub>S<sub style='font-size: smaller;'>2</sub>
  • B The supply curve will shift from S<sub style='font-size: smaller;'>o</sub>S<sub style='font-size: smaller;'>o</sub> to S<sub style='font-size: smaller;'>1</sub>S<sub style='font-size: smaller;'>1</sub>
  • C The supply curve will shift fromS <sub style='font-size: smaller;'>2</sub>S<sub style='font-size: smaller;'>2</sub> to S<sub style='font-size: smaller;'>1</sub>S<sub style='font-size: smaller;'>1</sub>
  • D The supply curve will shift from S<sub style='font-size: smaller;'>1</sub>S<sub style='font-size: smaller;'>1</sub> to S<sub style='font-size: smaller;'>o</sub>S<sub style='font-size: smaller;'>o</sub>
  • E The demand curve will shift from D<sub style='font-size: smaller;'>o</sub>D<sub style='font-size: smaller;'>o</sub> to D<sub style='font-size: smaller;'>1</sub>D<sub style='font-size: smaller;'>1</sub>
View Answer & Explanation