Deck 2: Supply and Demand

Question 1

A rise in the quantity demanded of lemons can be attributed to:

A)a leftward shift in the supply curve of lemons.
B)a lower price of lemons.
C)a decline in the number of people drinking lemonade.
D)an increase in the price of lime juice.

Answer 1

a lower price of lemons.

Question 2

The demand curve for water is downward sloping,indicating that:

A)there are an increasing number of reservoirs.
B)more consumers enter the market as the price falls.
C)there is more consumption per person at lower prices.
D)the production costs for water are very low.

Answer 2

there is more consumption per person at lower prices.

Question 3

The market supply curve depicts:

A)the negative relationship between the price of the commodity offered for sale and the quantity supplied.
B)the negative relationship between the price of the commodity offered for sale and the producer surplus.
C)the positive relationship between the quantity offered for sale by a single firm and the total supply by all firms in an industry.
D)the positive relationship between market price and the total quantity supplied by all firms in an industry.

Answer 3

the positive relationship between market price and the total quantity supplied by all firms in an industry.

Question 4

Which of the following is a valid interpretation of the demand curve?

A)The demand curve identifies the quantities purchased at various prices.
B)The demand curve identifies the taste and preference of the consumers.
C)The demand curve identifies the consumer's income level.
D)The demand curve identifies the availability of substitute goods.

Question 5

An increase in quantity supplied:

A)shifts the supply curve to the right.
B)shifts the supply curve to the left.
C)indicates a movement along the supply curve.
D)makes the supply curve flatter.

Question 6

The law of demand states that people:

A)prefer high-quality goods to low-quality goods.
B)buy larger quantities of a good at lower prices.
C)prefer more to less.
D)are willing to pay a higher price only for goods they need.

Question 7

A supply curve for a good depicts the:

A)maximum quantities sellers are willing to offer for sale at alternative prices.
B)maximum quantities that can be produced at alternative prices.
C)quantities sellers will offer as their production costs change.
D)quantities sellers can legally supply.

Question 8

The negative slope of the demand curve indicates that:

A)more consumers are willing to buy the good as its supply falls.
B)consumption increases as the price falls.
C)consumption is a positive function of income.
D)less consumers are willing to buy the good as the price falls.

Question 9

An increase in supply occurs when:

A)there is technological advance.
B)the costs of production rise.
C)the price of the good increases.
D)the price of the good falls.

Question 10

Which one of the following is held constant along a given demand curve?

A)The consumers' income
B)The price of the good the demand curve represents
C)The cost of producing the good the demand curve represents
D)The quantity of the good the demand curve represents

Question 11

An increase in quantity supplied occurs when:

A)there is technological advance.
B)the costs of production fall.
C)the price of the good increases.
D)the price of the good falls.

Question 12

As the price of shirts rises,the law of supply would predict a(n):

A)increase in the quantity of shirts supplied.
B)decrease in the quantity of shirts supplied.
C)increase in the supply of shirts.
D)decrease in the supply of shirts.

Question 13

Which of the following is likely to shift the demand for chocolates to the left?

A)An increase in the price of cocoa used to make chocolates
B)Medical reports suggesting increased risk of memory loss among the aged due to high chocolate consumption
C)A decrease in the price of chocolates
D)The introduction of minimum wages by the government in an attempt to improve the average wage level in the economy and alleviate poverty

Question 14

Consider two goods,X and Y.If the price of Y increases and,as a consequence,the demand curve for X shifts to the left,then:

A)X and Y are substitutes.
B)X and Y are complements.
C)X and Y are unrelated.
D)X and Y are inferior goods.

Question 15

"If,at the initial price,there is excess demand,the price will rise.As a consequence,the demand curve shifts down since people buy less at a higher price,and the supply curve shifts up because producers find it profitable to supply more output at a higher price.Price will continue to adjust until there is no excess demand." Which of the following is true about this statement?

A)The quotation is correct.
B)The quotation confuses excess supply with excess demand.
C)The quotation confuses movements along curves with shifts in curves.
D)The quotation confuses short-run adjustments with long-run adjustments.

Question 16

Which of the following is likely to occur if the demand for housing increases?

A)The price of lumber used to build a house will fall.
B)The interest rate on mortgages needed to purchase a house will rise.
C)The demand for schools will rise.
D)The wages of carpenters who build houses will fall.

Question 17

Which of the following statements is not true about a demand curve?

A)The demand curve shows the maximum price consumers will pay for various quantities of a product.
B)Movements along a demand curve reflect changes in consumers' tastes.
C)The demand curve shows the quantities consumers will purchase at various prices.
D)Movements along a demand curve reflect consumers' response to price changes.

Question 18

A shift in the consumer's demand for a good X cannot result from a change in the:

A)price of a substitute for good X.
B)price of X.
C)consumer's taste.
D)consumer's income.

Question 19

Which of the following would cause the demand for coffee to increase?

A)An increase in the price of tea,a substitute for coffee
B)A decrease in the price of tea,a substitute for coffee
C)An increase in the price of cream,a complement to coffee
D)A decrease in the price of coffee

Question 20

Which of the following violates the law of demand?

A)After receiving an annual raise of $10,000,a young man buys more steak than before,even though the price of steak increased by 5 percent.
B)A woman with a small baby continues to purchase diapers even after the price of diapers went up.
C)After the price of bowling increases,a woman increases her frequency of bowling.
D)Despite butter being more expensive than margarine,a woman buys more butter after the price of margarine (a close substitute)increases.

Question 21

When the actual price in a market is above the equilibrium price we would expect:

A)this higher price to be the new equilibrium.
B)a shortage of the good or service.
C)a surplus of the good or service.
D)an excess demand or excess supply depending upon the extent of the difference between actual and equilibrium price.

Question 22

Which of the following would result in a higher equilibrium price and an ambiguous change in the equilibrium quantity?

A)An increase in both supply and demand
B)An increase in supply and a decrease in demand
C)A decrease in both supply and demand
D)A decrease in supply and an increase in demand

Question 23

Which one of the following will not cause a change in the demand for gasoline?

A)More people deciding to live closer to their workplace
B)More people purchasing large pickup trucks and sports utility vehicles
C)New technology that lowers the cost of producing gasoline
D)Expectations of consumers that the price of gasoline will be significantly greater next week

Question 24

Which of the following market outcomes can be explained by the supply-demand model?

A)An increase in the demand for cigarettes after an increase in its price
B)A decrease in household consumption following an increase in average monthly income
C)An increase in supply in spite of a decline in input prices
D)An increase in the per capita consumption of medical care in a country due to an epidemic

Question 25

Refer to Figure 2-1.What is the equilibrium price and quantity in this market?

A)P=$2 and Q=35,000
B)P=$4 and Q=35,000
C)P=$6 and Q=25,000
D)P=$2 and Q=45,000

Question 26

Which of the following would result in a higher equilibrium quantity and an ambiguous change in equilibrium price?

A)An increase in supply and demand
B)An increase in supply and a decrease in demand
C)A decrease in supply and demand
D)A decrease in supply and an increase in demand

Question 27

If land use restrictions in major cities were relaxed,the:

A)supply of houses would decrease.
B)demand for houses would increase.
C)supply of houses would increase.
D)demand for houses would decrease.

Question 28

An excess demand for a good or service tends to cause:

A)an increase in price over time.
B)a decrease in price over time.
C)an offsetting excess supply later.
D)an immediate rightward shift in supply.

Question 29

A local businessman points out that,as the price of VCR has fallen,sales have increased tremendously.The businessman cites this example as proof that the law of supply does not hold.Which of the following explanations best solves the paradox cited by the businessman?

A)Demand was decreasing during the period in question.
B)Demand was stable during the period in question.
C)Supply was stable during the period in question.
D)Supply was increasing during the period in question.

Question 30

When there is an excess demand for a good,there is:

A)downward pressure on price because buyers are willing to pay more.
B)downward pressure on price because firms accumulate unwanted inventories.
C)upward pressure on price because buyers are willing to pay more.
D)upward pressure on price because firms accumulate unwanted inventories.

Question 31

The equilibrium price of houses in the San Francisco Bay Area has risen dramatically in recent years because:

A)there has been an enormous increase in demand.
B)there has been an enormous increase in supply.
C)there has been an enormous increase in quantity demanded.
D)there has been an enormous increase in quantity supplied.

Question 32

When there is an excess supply of a good,there is a(n):

A)downward pressure on price because firms hold out for the best price they can get.
B)downward pressure on price because firms accumulate unwanted inventories.
C)upward pressure on price because firms hold out for the best price they can get.
D)upward pressure on price because firms accumulate unwanted inventories.

Question 33

An excess supply for a product indicates that the price is:

A)below the equilibrium price.
B)above the equilibrium price.
C)equal to the unit cost of production.
D)exactly at the choke price.

Question 34

An excess demand for a product indicates that:

A)the price is below the equilibrium price.
B)there is a rightward shift in the demand curve.
C)there will be a downward movement along the supply curve.
D)the supply curve will shift rightward.

Question 35

When the demand for a commodity decreases and its supply is vertical we can conclude that:

A)both price and quantity will rise.
B)price will fall while quantity remains constant.
C)quantity will rise while price remains constant.
D)neither price nor quantity will change.

Question 36

If both supply and demand for a good increase at the same time,which of the following must also increase?

A)The equilibrium price
B)The use of substitutes
C)The equilibrium quantity
D)The price of substitute goods

Question 37

When the market for a good,such as gasoline,is competitive and its price suddenly increases substantially,we can infer:

A)that the higher price was most likely arbitrarily set by greedy gas companies seeking increased profits.
B)that the higher price was most likely a response to a change in market forces beyond any individual firm's control.
C)nefarious intent on the part of gasoline companies and that a government mandated price ceiling would serve consumers' interests.
D)that prices are not good indicators of relative scarcity.

Question 38

An increase in the demand for a commodity accompanied by a decrease in its supply will result in a(n):

A)decrease in price and an increase in quantity.
B)increase in both price and quantity.
C)increase in quantity while the price can increase or decrease.
D)increase in price while the quantity can increase or decrease.

Question 39

An expectation that the price of housing will increase more rapidly in coming years will cause the:

A)supply of houses today to decrease.
B)demand for houses today to increase.
C)supply of houses today to increase.
D)demand for houses today to decrease.

Question 40

If the average price of an automobile increased from $7,000 to $8,000 from 1979 to 1980,then we know that:

A)the real price of automobiles must have increased.
B)the absolute price of automobiles increased but its real price declined.
C)the absolute price of automobiles increased but we do not have enough information to say what happened to its real price.
D)the demand for automobiles increased during that period.

Question 41

Farmers can benefit from government intervention if:

A)price floors for agricultural goods are set above the equilibrium price.
B)price floors for fertilizers are set above the equilibrium price.
C)price ceilings on agricultural products are set below the equilibrium price.
D)price floors for agricultural goods are set below the equilibrium price.

Question 42

Which of the following is a disadvantage of rent control to the tenants?

A)Fluctuations in the rental rates
B)Predominance of a black market
C)Low demand for houses
D)Poor quality of houses

Question 43

The state of Florida enacted anti-gouging legislation that imposes criminal penalties on individuals or firms that charge more for their goods or services after a disaster,like a hurricane or tornado,than they charged just prior to the disaster.Each of the following represents the social loss of this legislation,except:

A)people would have to search longer to find available scarce resources like ice,plywood,and hotel rooms.
B)people would spend more time waiting in lines to acquire some of the scarce goods like ice,plywood,and hotel rooms.
C)more people who have alternatives to consuming the scarce goods like ice,plywood,and hotel rooms at the higher prices would now consume them.
D)fewer people will demand the scarce goods like ice,plywood,and hotel rooms which will reduce the producer surplus

Question 44

Which of the following is an example of price ceiling?

A)A payment made by the government to farmers to prevent them from planting certain crops
B)Purchase of certain food crops by the government to lower its supply and increase its price
C)A cap on the automobile insurance rate charged in some states
D)A minimum wage announced by the government for workers in some specific industries

Question 45

Suppose a vaccine for the common cold is discovered.The government begins to produce the vaccine in as large a volume as possible.However,the market clearing price is very high due to high demand for it.Following this,the government introduces a price control and sets up an allocation scheme to control the vaccine's distribution.Which of the following is likely to be true about the price control introduced by the government?

A)The price set by the government is above the market equilibrium.
B)The price set by the government is below the market equilibrium.
C)The price set by the government is same as the market equilibrium.
D)Nothing can be determined about the price control from the information given here.

Question 46

Refer to Figure 2-1.Assume that a price ceiling of $2 is imposed in this market,what will be the new quantity sold in this market?

A)25,000
B)35,000
C)45,000
D)60,000

Question 47

At every point on an individual's demand curve,the height to the demand curve measures:

A)the quantity demanded of the good.
B)the marginal benefit of the good to the consumer.
C)the real income of the consumer.
D)the consumer surplus.

Question 48

Which of the following statements is true of price ceilings?

A)The true cost of the good to consumers is usually greater than the money cost.
B)All consumers benefit from the lower price.
C)Nonprice rationing associated with price controls is more efficient than rationing by price.
D)Shortages associated with price ceilings generally do not last any longer than shortages associated with free markets.

Question 49

If a price ceiling is imposed and the quantity demanded exceeds the quantity supplied,which of the following is not likely to occur?

A)Nonprice rationing
B)Black markets
C)Increased production
D)Quality deterioration

Question 50

Which of the following is true of a legislated price ceiling?

A)It is illegal to charge a price higher than the ceiling.
B)It is illegal to sell commodities on which ceiling has been imposed.
C)It is illegal to charge a price lower than the ceiling.
D)It is illegal to buy commodities on which ceiling has been imposed.

Question 51

Refer to Figure 2-1.Assume that an effective price ceiling of $2 is imposed in this market.What is the maximum cost that consumers will be willing to bear to be able to consume the good or service?

A)$2
B)$4
C)$6
D)$8

Question 52

The price elasticity of demand for a good is equal to:

A)the percentage change in quantity demanded divided by the percentage change in price.
B)the percentage change in price divided by the percentage change in quantity demanded.
C)the percentage change in quantity divided by the change in price.
D)the percentage change in price divided by the change in quantity demanded.

Question 53

Which of the following is not likely to result from a price ceiling that is below the equilibrium price?

A)Some form of non-price rationing
B)A shortage that market forces cannot be expected to eliminate
C)Improvements in product quality
D)Waiting in lines to obtain some of the good

Question 54

The low availability of houses on rent cause potential tenants to incur the cost of waiting.The first-come first-serve basis used by owners while letting out houses under a rent control is a form of:

A)price rationing.
B)black marketing.
C)nonprice rationing.
D)predatory pricing.

Question 55

All of the following are common responses to a price ceiling,except:

A)an excess supply.
B)nonprice rationing.
C)quality deterioration.
D)black markets.

Question 56

When the government establishes a price ceiling below the equilibrium price:

A)there will be a temporary shortage that market forces will eventually clear.
B)a shortage will occur that market forces will not be able to clear.
C)producers will eliminate the resulting shortage by jointly deciding to increase supply.
D)the market equilibrium price will prevail.

Question 57

Identify the black market that can emerge from rent controls.

A)Rationing
B)Subletting
C)Leasing
D)Licensing

Question 58

Britain and Canada impose strict limits on reimbursements to hospitals and physicians as part of their universal "free" health care.This is a form of a:

A)price floor leading to lengthy delays before receiving treatment.
B)price ceiling leading to lengthy delays before receiving treatment.
C)price floor leading to shorter waiting times.
D)price ceiling leading to shorter waiting times.

Question 59

An increase in supply,other things equal,will cause the:

A)equilibrium price to fall and the equilibrium quantity to rise.
B)equilibrium price and quantity to fall.
C)equilibrium price and quantity to rise.
D)equilibrium price to rise and the equilibrium quantity to fall.

Question 60

Price ceilings are often associated with:

A)price rationing.
B)quality deterioration.
C)quality enhancement.
D)excess supplies.

Question 61

If a higher price results in no change in total expenditure,then demand is:

A)elastic.
B)inelastic.
C)unit-elastic.
D)not responsive to price changes at all.

Question 62

Corn farmers in a country are colluding to reduce the market supply of corn.This will successfully raise the farmers' incomes only if the demand for corn is:

A)elastic.
B)inelastic.
C)unit elastic.
D)infinitely-elastic.

Question 63

Which one of the following is not a factor in the elasticity of demand for a good or service?

A)The length of time the price change is in effect
B)The substitutes available for the good or service
C)The percentage of one's budget the item consumes
D)The cost of producing the good or service

Question 64

Compute the income elasticity of the demand for oats,if a 12% decrease in an individual's income increases his demand for oats by 6%.

A)-2
B)0.4
C)-0.5
D)1.2

Question 65

If the average household income in some town increased from $50,000 to $60,000,and the their expenditure on housing increased from $1,400 per month to $1,484 per month,the income elasticity of demand for housing is:

A)-0.4
B)0.3
C)1.0
D)1.2

Question 66

For which one of the following goods is the long-run elasticity of demand greatest?

A)Cigarettes
B)Chevrolet automobiles
C)Beer
D)Water

Question 67

If income of an individual increases from $20,000 to $30,000 and the quantity of X demanded _____,then X is a(n)_____

A)increases;normal good
B)increases;inferior good
C)decreases;normal good
D)decreases;luxury good

Question 68

If price changes from $4.75 to $5.25 and quantity demanded changes from 1,025 to 975 units,then the price elasticity of demand is approximately:

A)4.0.
B)0.5.
C)0.25
D)2.2.

Question 69

If the price elasticity of demand for a commodity is greater than one,it implies that:

A)an increase in supply will increase total revenues.
B)a decrease in supply will increase total revenues.
C)a price ceiling that lowers price below the market equilibrium will increase total the total consumer spending on that good.
D)a price floor that raises price above the equilibrium will increase total the total consumer spending on that good.

Question 70

Suppose 100 pretzels are demanded at a given price.If the price of pretzels rises by 5% and the number of pretzels demanded falls to 92,it can be concluded that:.

A)the demand for pretzels in the price range is elastic.
B)the demand for pretzels in the price range is inelastic.
C)the demand for pretzels in the price range is unit elastic.
D)the price elasticity of demand for pretzels is zero.

Question 71

If the cross-price elasticity of demand between two goods is 1.75,then the two goods are:

A)complements.
B)substitutes.
C)luxury goods.
D)inferior goods.

Question 72

Which one of the following goods is likely to have the highest income elasticity of demand?

A)Diamonds
B)Water
C)Pretzels
D)Beer

Question 73

The cross-price elasticity of demand between substitutes:

A)is negative.
B)is positive.
C)is zero.
D)is negative if the own-price elasticity of each good is inelastic,but positive if the own-price elasticity of each good is elastic.

Question 74

Elasticity of demand tends to be greater:

A)the longer the time period involved.
B)the more complements the good has.
C)the lower the number of substitutes available.
D)the more widely defined the commodity class.

Question 75

Along a linear demand curve,price elasticity of demand:

A)increases as price falls.
B)is independent of price.
C)decreases as price falls.
D)remains unchanged.

Question 76

The income elasticity of demand for an inferior good:

A)is negative.
B)is positive.
C)is zero.
D)depends on the price elasticity of demand for that food.

Question 77

The cross price elasticity of demand for Good X with respect to Good Y is 1.2 and that with respect to Good Z is -0.3.This implies:

A)Good X and Good Y are complements.
B)Good X and Good Z are substitutes.
C)Good Y and Good Z are substitutes.
D)Good X and Good Z are complements.

Question 78

If the value of price elasticity of demand is 0.2,it implies that a 1 percent increase in price leads to a:

A)2 percent decrease in quantity demanded.
B)2 percent increase in quantity demanded.
C)0.2 percent decrease in quantity demanded.
D)0.2 percent increase in quantity demanded.

Question 79

For which one of the following commodities is the demand curve likely to be most elastic?

A)Cigarettes
B)Iams Dog food
C)Milk
D)Automobiles

Question 80

Which of the following statements about demand elasticity is correct?

A)If demand is price-inelastic,an increase in price will reduce total expenditures.
B)If demand is price-elastic,an increase in price will increase total expenditures.
C)If demand is price-inelastic,an increase in price will increase total expenditures.
D)If demand is price-elastic,an increase in price will leave total expenditure unchanged.