Search SchoolNGR

Tuesday, 18 August 2026
Register . Login

Economics Past Questions and Answers

Topic: Theory of Costs and Revenue

Jamb Economics Questions - Theory of Costs and Revenue

Question 116:
A high rent on land will affect the cost of producing maize
  • A At the early stage of production
  • B Negatively
  • C At the later stage of population
  • D Positively
View Answer & Explanation
Question 117:
Musa has a choice of buying a shirt, a book and a bag. What is the opportunity cost of buying a book?
  • A A bag only
  • B A book and a bag
  • C A shirit and a bag
  • D A shirit only
View Answer & Explanation
Question 118:
Musa has a choice of buying a shirt, a book and a bag. What is the opportunity cost of buying a book?
  • A A bag only
  • B A book and a bag
  • C A shirit and a bag
  • D A shirit only
View Answer & Explanation
Question 119:
As the level of output increases, the average fixed cost of a firm will
  • A Continue to decrease
  • B Remain unchanged
  • C Continue to increase
  • D Be equal to the total cost
View Answer & Explanation
Question 120:
The shape of the long-run average cost curve is best explained by the
  • A Law of diminishing returns
  • B Law of returns to scale
  • C Cost of fixed inputs
  • D Cost of variable inputs
View Answer & Explanation