Principles of Supply and Demand in Economics Quiz

Test your knowledge with 25 questions on supply, demand, elasticity, and market equilibrium in microeconomics.

#1

2. Which of the following is a determinant of demand?

Price of substitutes
Number of producers
Cost of production
Government regulations
#2

7. In a market characterized by perfect competition, what is true about the price of a good?

Set by the government
Determined by the market forces
Controlled by a single producer
Constant over time
#3

14. What is the main factor influencing the price elasticity of demand for a good?

Substitutability
Government regulations
Production costs
Market competition
#4

20. What is the key characteristic of a perfectly competitive market?

Few sellers with differentiated products
Single seller with significant market power
Many sellers with identical products
High barriers to entry
#5

1. What happens to the equilibrium price and quantity when demand increases and supply remains constant?

Price and quantity both increase
Price increases, quantity decreases
Price decreases, quantity increases
Price remains constant, quantity increases
#6

4. What is the price elasticity of demand if the absolute value is greater than 1?

Perfectly elastic
Inelastic
Elastic
Unitary elastic
#7

6. What is the main factor that influences the elasticity of supply?

Time
Price
Income
Consumer preferences
#8

9. How does a decrease in the price of complementary goods affect the demand for a product?

Increases demand
Decreases demand
No effect on demand
Increases supply
#9

12. In the long run, what happens to supply in response to an increase in demand?

Stays constant
Decreases
Increases
Becomes perfectly elastic
#10

13. What is the impact of an increase in production costs on the supply curve?

Shifts leftward
Shifts rightward
No impact on the curve
Results in a parallel shift
#11

17. In the context of supply and demand, what does a surplus indicate?

Excess demand
Excess supply
Market equilibrium
Perfect competition
#12

19. How does an increase in the price of a normal good affect its quantity demanded?

Increases
Decreases
Remains constant
No impact on demand
#13

21. In the context of supply and demand, what does the term 'elasticity' measure?

The responsiveness of quantity demanded to a change in price
The total quantity demanded in the market
The market equilibrium price
The absolute value of price changes
#14

23. In a competitive market, what happens to the equilibrium price and quantity when both demand and supply increase?

Price increases, quantity increases
Price decreases, quantity increases
Price and quantity both decrease
Price and quantity both increase
#15

25. How does an increase in the price of a complement affect the demand for a product?

Increases demand
Decreases demand
No effect on demand
Increases supply
#16

3. In the law of supply, what does the term 'ceteris paribus' mean?

All else being equal
Supply and demand are equal
Constant increase in supply
Demand is constant
#17

5. How does a price ceiling affect the market for a good?

Causes a surplus
Causes a shortage
Leads to equilibrium
Has no impact
#18

8. What is the concept of a 'Giffen good' in economics?

A luxury item
An inferior good with an upward-sloping demand curve
A normal good with an inelastic demand
A substitute for another good
#19

10. What is the relationship between the price and quantity demanded in a perfectly elastic demand curve?

No relationship
Directly proportional
Inversely proportional
Constant quantity demanded
#20

11. What is the concept of 'deadweight loss' in the context of supply and demand?

Loss in producer surplus
Loss in consumer surplus
Loss of government revenue
Loss of total surplus
#21

15. In a market characterized by monopolistic competition, what is true about product differentiation?

Products are identical
Products are similar but not identical
Each product is unique
No product differentiation
#22

16. What is the concept of 'cross-price elasticity of demand'?

Change in quantity demanded due to a change in income
Change in quantity demanded due to a change in the price of a related good
Change in quantity supplied due to a change in technology
Change in quantity supplied due to a change in government policy
#23

18. What is the 'Laffer curve' in economics related to?

Price elasticity
Tax revenue and tax rates
Demand and supply equilibrium
Monopoly pricing
#24

22. What is the 'income effect' in the law of demand?

The change in quantity demanded due to a change in consumer income
The change in quantity demanded due to a change in the price of a related good
The change in quantity demanded due to a change in technology
The change in quantity supplied due to a change in government policy
#25

24. What is the relationship between price and quantity supplied in a perfectly elastic supply curve?

No relationship
Directly proportional
Inversely proportional
Constant quantity supplied

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