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Tuesday, 07 April 2026
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Economics Past Questions and Answers

Jamb Economics Questions

Question 26:
The short-run equilibrium output for a monopolist is determined by the?
  • A Highest point on the total revenue curve
  • B Minimum point on the average revenue and the average cost curve
  • C Intersection of the average revenue and the average cost curves
  • D Intersection of the marginal cost and marginal revenue curves
View Answer & Explanation
Question 27:
The benefits that accrue to a firm as a result of an improvement in the industry it belongs to are called?
  • A Internal economies of scale
  • B Economies of scale
  • C Market economies
  • D External economies
View Answer & Explanation
Question 28:
In the short-run a firm marginal cost curve above the point of shut-down is its?
  • A Demand curve
  • B Supply curve
  • C Cost curve
  • D Supply curve
View Answer & Explanation
Question 29:
The economic policy of deregulation is aimed at encouraging?
  • A A monopolistic market structure
  • B A duopolistic market structure
  • C A competitive market structure
  • D An oligopolistic market structure
View Answer & Explanation
Question 30:
Under conditions of perfect competition, a firm's supply curve is determined by its?
  • A Total cost curve
  • B Marginal cost curve
  • C Variable cost curve
  • D Fixed cost curve
View Answer & Explanation