JAMB Economics Questions

1. Economics as a Science (2010, Q1)

Question: Economics is the study of human behaviour as it relates to the

Correct Answer: A. efficient allocation of resources

Explanation: Economics focuses on how individuals and societies allocate scarce resources to satisfy unlimited wants.

2. Methods and Tools of Economic Analysis (2010, Q3)

Question: The standard deviation of a set of data is

Correct Answer: D. a measure of dispersion

Explanation: Standard deviation measures the dispersion or variability within a set of data.

3. The Theory of Demand (2010, Q7)

Question: If the price of a commodity with elastic demand increases, the revenue accruing to the producer will

Correct Answer: D. decrease

Explanation: For a commodity with elastic demand, an increase in price leads to a proportionally larger decrease in quantity demanded, resulting in a decrease in total revenue.

4. The Theory of Consumer Behaviour (2010, Q9)

Question: One of the assumptions of ordinal utility theory is that

Correct Answer: B. utility can be ranked

Explanation: Ordinal utility theory assumes that consumers can rank their preferences in order of satisfaction but do not assign specific numerical values to them.

5. The Theory of Supply (2010, Q6)

Question: If the demand for a good is more elastic than its supply, the tax burden is borne

Correct Answer: B. more by producers

Explanation: When demand is more elastic than supply, producers are less able to pass the tax onto consumers without losing significant sales, so they bear a larger share of the tax burden.

6. The Theory of Price Determination (2010, Q10)

Question: The law of diminishing marginal utility explains why

Correct Answer: A. the slope of a normal demand curve is negative

Explanation: The law of diminishing marginal utility states that as a person consumes more units of a good, the additional satisfaction from each extra unit decreases. This leads to a downward-sloping demand curve, as consumers are willing to pay less for additional units.

7. Economic Systems (2011, Q4)

Question: A mixed economy is best described as a system in which

Correct Answer: A. private individuals and the government own and control resources

Explanation: A mixed economy combines features of both capitalism and socialism, with resources controlled by both private individuals and the government.

8. Methods and Tools of Economic Analysis (2011, Q9)

Question: Which of the following is a tool used for economic analysis?

Correct Answer: B. Pie chart

Explanation: A pie chart is a visual tool that economists use to represent and analyze data, often to show proportions of economic variables like market shares or expenditures.

9. The Theory of Demand (2012, Q2)

Question: A leftward shift in the demand curve indicates that

Correct Answer: B. less of the commodity is demanded

Explanation: A leftward shift in the demand curve represents a decrease in demand, which can occur due to factors like lower income, changes in consumer preferences, or an increase in the price of a complementary good.

10. The Theory of Consumer Behaviour (2012, Q5)

Question: Marginal utility is defined as

Correct Answer: B. the satisfaction derived from consuming an additional unit of a good

Explanation: Marginal utility measures the additional satisfaction or utility a consumer gains from consuming one more unit of a good or service.