True or false: If the price of a good rises while other influences stay constant, buyers move along the existing demand curve rather than demand shifting.
2 Shifts in Demand and Supply Online Quiz Questions
Use this free practice quiz with 20 questions to review 2 Shifts in Demand and Supply, test your knowledge, and prepare for your next test or exam.
Tea and a particular sweetener are complements. If the sweetener’s price rises, which change is most likely in the market for tea, holding other influences constant?
- A
Demand for tea increases because the price of a complement to tea rises.
- B
Demand for tea decreases because the price of a complement to tea rises.
- C
Supply of tea increases because the price of a complement to tea rises.
- D
Quantity demanded of tea increases at every price because the price of a complement to tea rises.
A good is normal. If buyers’ incomes rise and other influences stay constant, in which direction does its demand curve shift?
Select all changes that would generally increase market supply, holding other influences constant.
- A
Input costs fall.
- B
Production taxes increase.
- C
Production technology becomes more efficient.
- D
More firms enter the market.
True or false: If sellers expect a higher future price, they may reduce the amount they supply now, depending on the product and whether it can be stored.
- A
True
- B
False
A market’s demand curve shifts left while its supply curve stays fixed. What happens to equilibrium price and equilibrium quantity?
- A
Equilibrium price rises and equilibrium quantity rises.
- B
Equilibrium price rises and equilibrium quantity falls.
- C
Equilibrium price falls and equilibrium quantity falls.
- D
Equilibrium price falls and equilibrium quantity rises.
A market’s supply curve shifts right while demand stays fixed. Does equilibrium quantity rise or fall?
Select all changes that would generally increase demand for a good, holding other influences constant.
- A
The price of a substitute rises.
- B
The good becomes more popular.
- C
The price of a complement rises.
- D
The number of potential buyers increases.
Demand and supply both decrease in a market. Which statement about the new equilibrium is supported without knowing the relative sizes of the shifts?
- A
Equilibrium price rises, and equilibrium quantity rises.
- B
Equilibrium price falls, and equilibrium quantity falls.
- C
Equilibrium price is ambiguous, and equilibrium quantity rises.
- D
Equilibrium price is ambiguous, and equilibrium quantity falls.
A poor harvest reduces the supply of coffee at the same time that demand for coffee increases. Explain what happens to equilibrium price and why the direction of equilibrium quantity cannot be determined without more information.
Buyers expect a good’s price to be lower next month. Holding other influences constant, what is a likely effect on current demand for the good?
- A
Demand today increases because buyers expect a lower future price.
- B
Demand today decreases because buyers expect a lower future price.
- C
Supply today decreases because buyers expect a lower future price.
- D
The current price of the good automatically shifts its demand curve.
The price of a good rises, while buyers’ incomes, preferences, and other demand determinants remain unchanged. What happens to the good’s demand curve?
- A
The demand curve shifts right.
- B
There is movement along the existing demand curve.
- C
The supply curve shifts left.
- D
Both demand and supply curves shift.
A consumer’s income rises. How does this change demand for a normal good and an inferior good, respectively, assuming other factors stay constant?
- A
Demand for both goods increases.
- B
Demand for the normal good decreases and demand for the inferior good increases.
- C
Demand for the normal good increases and demand for the inferior good decreases.
- D
Neither demand curve shifts because income is not a good’s own price.
Wages paid to workers who produce a good rise, and no other production conditions change. What is the most likely effect on the market supply of that good?
- A
Supply decreases because producing the good becomes more costly.
- B
Supply increases because firms can charge more.
- C
Demand decreases because production costs rise.
- D
The supply curve does not shift; only the good’s own price can affect supply.
A government introduces a subsidy for producers of a good. If demand is unchanged, what is the expected effect on equilibrium price and quantity?
- A
Supply decreases, so equilibrium price rises and quantity falls.
- B
Demand increases, so equilibrium price and quantity rise.
- C
Supply increases, so equilibrium price and quantity both rise.
- D
Supply increases, so equilibrium price falls and quantity rises.
If demand and supply both increase, equilibrium quantity rises, but the effect on equilibrium price is ambiguous without knowing the relative sizes of the shifts.
- A
True
- B
False
Demand for electric bikes increases while a supply disruption reduces the number available. What happens to the equilibrium price? Enter the direction using one word.
Demand for a product decreases while its supply increases. Without knowing the relative sizes of these shifts, what can be concluded about the direction of the change in equilibrium quantity? Enter one word.
A product becomes less popular, while other demand determinants remain unchanged. Complete the statement: The product’s demand curve shifts .
A government introduces a tax on producers, and demand does not change. Complete the statement: The new equilibrium price .
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