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Tuesday, 21 April 2026
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Economics Past Questions and Answers

Topic: The Theory of Production

Jamb Economics Questions - The Theory of Production

Question 136:
Improved labour efficiency can be measured by?
  • A An increase in output-input ratio
  • B An decrease in output-input ratio
  • C The constancy of input-output ratio
  • D An increase in input-output ratio
View Answer & Explanation
Question 137:
One of the roles of NNPC in the production and refining of crude oil is to?
  • A Secure maximum government revenue and regulate price
  • B Prevent the smuggling of petroleum products
  • C Satisfy the domestic consumption of petroleum products
  • D Protect the local operators in the petroleum industry
View Answer & Explanation
Question 138:
As a country gets more developed, the percentage of labour engaged in agriculture tends to?
  • A Remain constant
  • B Decrease steadily
  • C Switch over to trading
  • D Increase steadily
View Answer & Explanation
Question 139:
In the diagram above, the marginal rate of substitution of X for Y, for a movement from S to T is
  • A 13:3
  • B 1:5
  • C 18:4
  • D 5:1
View Answer & Explanation
Question 140:
In a planned economy, the emphasis is on
  • A Public ownership and control
  • B Prices and competition
  • C Individual choices and decisions
  • D Private ownership and control
View Answer & Explanation