Deck 3: Where Prices Come From: the Interaction of Demand and Supply

Question 1

A movement along the demand curve for toothpaste would be caused by

A)a change in the price of toothbrushes.
B)a change in consumer income.
C)a change in the price of toothpaste.
D)a change in population.

Answer 1

a change in the price of toothpaste.

Question 2

The law of demand implies,holding everything else constant,that

A)as the price of bagels increases, the quantity of bagels demanded will decrease.
B)as the price of bagels increases, the demand for bagels will decrease.
C)as the price of bagels increases, the quantity of bagels demanded will increase.
D)as the price of bagels increases, the demand for bagels will increase.

Answer 2

as the price of bagels increases, the quantity of bagels demanded will decrease.

Question 3

If a demand curve shifts to the right,then

A)demand has increased.
B)quantity demanded has increased.
C)demand has decreased.
D)quantity demanded has decreased.

Answer 3

demand has increased.

Question 4

If,in response to an increase in the price of chocolate the quantity of chocolate demanded decreases,economists would describe this as

A)a decrease in demand.
B)a decrease in quantity demanded.
C)a change in consumer income.
D)a decrease in consumers' taste for chocolate.

Question 5

Table 3-1
$$\begin{array} { | c | c | c | c | c | } \hline \begin{array} { c } \text { Loose Leaf } \\\text { Tea } \\\text { Priceper lb. } \\\text { (dollars) }\end{array} & \begin{array} { c } \text { Sunil's } \\\text { Quantity } \\\text { Demanded } \\\text { (lbs) }\end{array} & \begin{array} { c } \text { Mia's } \\\text { Quantity } \\\text { Demanded } \\\text { (lbs) }\end{array} & \begin{array} { c } \text { Rest af } \\\text { Market } \\\text { Quantity } \\\text { Demanded } \\\text { (lbs) }\end{array} & \begin{array} { c } \text { Market } \\\text { Quantity } \\\text { Demanded } \\\text { (lbs) }\end{array} \\\hline \$ 8 & 4 & 0 & 30 & \\\hline 6 & 7 & 2 & 40 & \\\hline 5 & 9 & 3 & 51 & \\\hline 4 & 12 & 5 & 64 & \\\hline 3 & 15 & 8 & 90 & \\\hline\end{array}$$

-Refer to Table 3-1.The table above shows the demand schedules for loose-leaf tea of two individuals (Sunil and Mia)and the rest of the market.If the price of loose-leaf tea rises from $3 to $4,the market quantity demanded would

A)decrease by 32 lbs.
B)increase by 64 lbs.
C)increase by 32 lbs.
D)decrease by 64 lbs.

Question 6

The ________ effect refers to the change in quantity demanded for a good that results from the effect of a change in the good's price on consumer's purchasing power.

A)ceteris paribus
B)population
C)substitution
D)income

Question 7

Table 3-1
$$\begin{array} { | c | c | c | c | c | } \hline \begin{array} { c } \text { Loose Leaf } \\\text { Tea } \\\text { Priceper lb. } \\\text { (dollars) }\end{array} & \begin{array} { c } \text { Sunil's } \\\text { Quantity } \\\text { Demanded } \\\text { (lbs) }\end{array} & \begin{array} { c } \text { Mia's } \\\text { Quantity } \\\text { Demanded } \\\text { (lbs) }\end{array} & \begin{array} { c } \text { Rest af } \\\text { Market } \\\text { Quantity } \\\text { Demanded } \\\text { (lbs) }\end{array} & \begin{array} { c } \text { Market } \\\text { Quantity } \\\text { Demanded } \\\text { (lbs) }\end{array} \\\hline \$ 8 & 4 & 0 & 30 & \\\hline 6 & 7 & 2 & 40 & \\\hline 5 & 9 & 3 & 51 & \\\hline 4 & 12 & 5 & 64 & \\\hline 3 & 15 & 8 & 90 & \\\hline\end{array}$$

-Refer to Table 3-1.The table above shows the demand schedules for loose-leaf tea of two individuals (Sunil and Mia)and the rest of the market.At a price of $5,the quantity demanded in the market would be

A)51 lbs.
B)63 lbs.
C)76 lbs
D)146 lbs.

Question 8

When the price of a good falls,consumers buy a larger quantity because of the ________ effect and the ________ effect.

A)substitution; income
B)normal; inferior
C)substitute; complement;
D)supply; demand

Question 9

What is the difference between an "increase in demand" and an "increase in quantity demanded"?

A)There is no difference between the two terms; they both refer to a shift of the demand curve.
B)An "increase in demand" is represented by a rightward shift of the demand curve while an "increase in quantity demanded" is represented by a movement along a given demand curve.
C)There is no difference between the two terms; they both refer to a movement downward along a given demand curve.
D)An "increase in demand" is represented by a movement along a given demand curve, while an "increase in quantity demanded" is represented by a rightward shift of the demand curve.

Question 10

By drawing a demand curve with ________ on the vertical axis and ________ on the horizontal axis,economists assume that the most important determinant of the demand for a good is the ________ of the good.

A)quantity; price; quantity
B)price; quantity; quantity
C)price; quantity; price
D)quantity; price; price

Question 11

If the price of orchids falls,the substitution effect due to the price change will cause

A)an increase in the demand for orchids.
B)an increase in the demand for roses, a substitute for orchids.
C)an increase in the quantity demanded of orchids.
D)an increase in the quantity supplied of orchids.

Question 12

The market for smart phones has grown rapidly over the past few years,due in part to the overwhelming success of the Apple iPhone.Following the successful launch of the iPhone in 2007,companies such as Samsung,HTC,and LG have all introduced products to compete with the iPhone.The smart phones introduced to compete with the iPhone would be considered

A)complements to the iPhone.
B)substitutes for the iPhone.
C)inferior goods compared to the iPhone.
D)normal goods compared to the iPhone.

Question 13

If the price of grapefruit rises,the substitution effect due to the price change will cause

A)a decrease in the demand for grapefruit.
B)a decrease in the demand for oranges, a substitute for grapefruit.
C)a decrease in the quantity demanded of grapefruit.
D)a decrease in the quantity supplied of grapefruit.

Question 14

A change in all of the following variables will change the market demand for a product except

A)the price of the product.
B)population and demographics.
C)income.
D)tastes.

Question 15

Which of the following will shift the demand curve for a good?

A)a change in the technology used to produce the good
B)an increase in the price of the good
C)a decrease in the price of a complementary good
D)a decrease in the price of the good

Question 16

The demand by all the consumers of a given good or service is the ________ for the good or service.

A)market demand
B)quantity demanded
C)law of demand
D)scheduled demand

Question 17

If the Apple iPhone and the Samsung Galaxy are considered substitutes,then,other things equal,an increase in the price of the iPhone will

A)decrease the demand for the iPhone.
B)increase the demand for the Galaxy.
C)increase the quantity demanded for the Galaxy.
D)increase the quantity demanded for the iPhone.

Question 18

The income effect of a price change refers to the impact of a change in

A)income on the price of a good.
B)demand when income changes.
C)the quantity demanded when income changes.
D)the price of a good on a consumer's purchasing power.

Question 19

Holding everything else constant,an increase in the price of MP3 players will result in

A)a decrease in the quantity of MP3 players supplied.
B)a decrease in the demand for MP3 players.
C)an increase in the supply of MP3 players.
D)a decrease in the quantity of MP3 players demanded.

Question 20

If a demand curve shifts to the left,then

A)demand has increased.
B)quantity demanded has increased.
C)demand has decreased.
D)quantity demanded has decreased.

Question 21

Figure 3-1

Refer to Figure 3-1.A decrease in the expected future price of the product would be represented by a movement from

A)A to B.
B)B to A.
C)D₁ to D₂.
D)D₂ to D₁.

Question 22

Figure 3-1

Refer to Figure 3-1.An increase in the price of the product would be represented by a movement from

A)A to B.
B)B to A.
C)D₁ to D₂.
D)D₂ to D₁.

Question 23

Figure 3-1

Refer to Figure 3-1.An increase in the price of a substitute would be represented by a movement from

A)A to B.
B)B to A.
C)D₁ to D₂.
D)D₂ to D₁.

Question 24

Figure 3-1

Refer to Figure 3-1.A decrease in taste or preference would be represented by a movement from

A)A to B.
B)B to A.
C)D₁ to D₂.
D)D₂ to D₁.

Question 25

If an increase in income leads to a decrease in the demand for popcorn,then popcorn is

A)an inferior good.
B)a neutral good.
C)a necessity.
D)a normal good.

Question 26

Figure 3-1

Refer to Figure 3-1.A decrease in the price of the product would be represented by a movement from

A)A to B.
B)B to A.
C)D₁ to D₂.
D)D₂ to D₁.

Question 27

Figure 3-1

Refer to Figure 3-1.A decrease in the price of a substitute good would be represented by a movement from

A)A to B.
B)B to A.
C)D₁ to D₂.
D)D₂ to D₁.

Question 28

Figure 3-1

Refer to Figure 3-1.If the product represented is an inferior good,a decrease in income would be represented by a movement from

A)A to B.
B)B to A.
C)D₁ to D₂.
D)D₂ to D₁.

Question 29

Figure 3-1

Refer to Figure 3-1.If the product represented is a normal good,an increase in income would be represented by a movement from

A)A to B.
B)B to A.
C)D₁ to D₂.
D)D₂ to D₁.

Question 30

The Internet has created a new category in the book selling market,namely,the "barely used" book.How does the availability of barely used books affect the market for new books?

A)The demand curve for new books shifts to the right.
B)The demand curve for new books shifts to the left.
C)The supply curve for new books shifts to the right.
D)The supply curve for new books shifts to the left.

Question 31

Figure 3-1

Refer to Figure 3-1.An increase in the price of a complement would be represented by a movement from

A)A to B.
B)B to A.
C)D₁ to D₂.
D)D₂ to D₁.

Question 32

Elvira decreased her consumption of bananas when the price of peanut butter increased.For Elvira,peanut butter and bananas are

A)substitutes in consumption.
B)both inferior goods.
C)complements in consumption.
D)both luxury goods.

Question 33

Figure 3-1

Refer to Figure 3-1.If the product represented is an inferior good,an increase in income would be represented by a movement from

A)A to B.
B)B to A.
C)D₁ to D₂.
D)D₂ to D₁.

Question 34

Figure 3-1

Refer to Figure 3-1.An increase in taste or preference would be represented by a movement from

A)A to B.
B)B to A.
C)D₁ to D₂.
D)D₂ to D₁.

Question 35

Figure 3-1

Refer to Figure 3-1.A decrease in the price of a complementary good would be represented by a movement from

A)A to B.
B)B to A.
C)D₁ to D₂.
D)D₂ to D₁.

Question 36

Figure 3-1

Refer to Figure 3-1.If the product represented is a normal good,a decrease in income would be represented by a movement from

A)A to B.
B)B to A.
C)D₁ to D₂.
D)D₂ to D₁.

Question 37

If an increase in income leads to in an increase in the demand for peanut butter,then peanut butter is

A)a neutral good.
B)a normal good.
C)a necessity.
D)a complement.

Question 38

Figure 3-1

Refer to Figure 3-1.An increase in the expected future price of the product would be represented by a movement from

A)A to B.
B)B to A.
C)D₁ to D₂.
D)D₂ to D₁.

Question 39

Figure 3-1

Refer to Figure 3-1.A decrease population would be represented by a movement from

A)A to B.
B)B to A.
C)D₁ to D₂.
D)D₂ to D₁.

Question 40

Figure 3-1

Refer to Figure 3-1.An increase in population would be represented by a movement from

A)A to B.
B)B to A.
C)D₁ to D₂.
D)D₂ to D₁.

Question 41

If,in response to a decrease in the price of grapes,the quantity of grapes demanded increases,economists would describe this as

A)an increase in demand.
B)an increase in quantity demanded.
C)a change in consumer income.
D)an increase in consumers' taste for coffee.

Question 42

The law of demand implies,holding everything else constant,that as the price of gelato

A)increases, the demand for gelato will increase.
B)increases, the quantity of gelato demanded will increase.
C)decreases, the quantity of gelato demanded will increase.
D)decreases, the demand for gelato will increase.

Question 43

Suppose that when the price of raspberries increases,Lonnie increases his purchases of papayas.To Lonnie

A)raspberries and papayas are complements.
B)raspberries and papayas are inferior goods.
C)raspberries and papayas are normal goods.
D)raspberries and papayas are substitutes.

Question 44

Technological advances have resulted in lower prices for digital cameras.What is the impact of this on the market for traditional (non-digital)cameras?

A)The demand curve for traditional cameras shifts to the right.
B)The supply curve for traditional cameras shifts to the right.
C)The demand curve for traditional cameras shifts to the left.
D)The supply curve for traditional cameras shifts to the left.

Question 45

In June,buyers of titanium expect that the price of titanium will fall in July.What happens in the titanium market in June,holding everything else constant?

A)The demand curve shifts to the right.
B)The quantity demanded increases.
C)The quantity demanded decreases.
D)The demand curve shifts to the left.

Question 46

When deciding on which new products to develop,a firm must devote people,time,and money to designing a new product.Because any firm has only limited resources,it

A)should wait until its competitors develop a similar product before deciding on devoting resources to its own product development.
B)is not able to develop more than one new product at a time.
C)must be certain that the product it chooses to develop will be successful or it will not be able to stay in business.
D)faces a trade-off, because resources used to develop one product will not be available to develop another product.

Question 47

If the price of automobiles was to increase,then

A)the demand for gasoline would decrease.
B)the demand for gasoline would increase.
C)the supply of gasoline would increase.
D)the quantity demanded of gasoline would decrease.

Question 48

If the price of music downloads was to decrease,then

A)the demand for MP3 players would decrease.
B)the demand for MP3 players would increase.
C)the supply of MP3 players would increase.
D)the quantity demanded of MP3 players would decrease.

Question 49

Technological advancements have led to lower prices and an increase in the sale of digital cameras.How does this affect the digital photo printing paper market?

A)The demand curve for digital photo printing paper shifts to the right.
B)The demand curve for digital photo printing paper shifts to the left.
C)The supply curve for digital photo printing paper shifts to the right.
D)The supply curve for digital photo printing paper shifts to the left.

Question 50

A(n)________ is represented by a leftward shift of the demand curve while a(n)________ is represented by a movement along a given demand curve.

A)decrease in demand; increase in demand
B)decrease in demand; increase in quantity demanded
C)increase in demand; decrease in quantity demanded
D)decrease in quantity demanded; decrease in demand

Question 51

How does the increasing use of MP3 players affect the market for compact discs?

A)The demand curve for compact discs shifts to the right.
B)The supply curve for compact discs shifts to the left.
C)The supply curve for compact discs shifts to the right.
D)The demand curve for compact discs shifts to the left.

Question 52

In the United States,consumption per-person of carbonated soft drinks ________ between 2005 and 2013.

A)declined by more than 15 percent
B)increased by approximately 22 percent
C)fell by almost 80 percent
D)remained virtually unchanged

Question 53

Which of the following has occurred as the baby-boom generation ages?

A)The demand for soft drinks has increased in the U.S.market.
B)The demand for soft drinks has decreased in the U.S.market.
C)The global demand for soft drinks has decreased.
D)The global demand for soft drinks has remained relatively low.

Question 54

Tomas increased his consumption of potato chips when the price of pistachios increased.For Tomas,potato chips and pistachios are

A)substitutes in consumption.
B)both inferior goods.
C)complements in consumption.
D)both luxury goods.

Question 55

Buyers rush to purchase stocks in California vineyards following a forecast of a 30 percent decline in this year's grape harvest.What happens in the California wine market as a result of this announcement?

A)The demand curve for California wine shifts to the left in anticipation of higher prices in the future.
B)The demand curve for California wine shifts to the right in anticipation of higher prices in the future.
C)The supply curve for California wine shifts to the right in anticipation of higher prices in the future.
D)The supply curve for California wine shifts to the left in anticipation of lower quantities in the future.

Question 56

Studies have shown links between calcium consumption and a reduction in osteoporosis.How does this affect the market for calcium?

A)The calcium supply curve shifts to the right because of a change in tastes in favor of calcium.
B)The calcium demand curve shifts to the right because of a change in tastes in favor of calcium.
C)The calcium demand curve shifts to the left because this new information will increase the price of calcium.
D)The calcium supply curve shifts to the left because this new information will increase the price of calcium.

Question 57

If tablet computers are considered substitutes for e-readers,the decline in the price of tablet computers would,all else equal,

A)increase the demand for e-readers.
B)decrease the demand for e-readers.
C)increase the quantity demanded for e-readers.
D)decrease the quantity demanded for e-readers.

Question 58

Tom Searchinger,a senior attorney at the Environmental Defense Fund,observed that generous farm subsidies have encouraged farmers to produce more corn and more wheat.How does this affect the market for fertilizer?

A)The supply of fertilizer increases.
B)The supply of fertilizer decreases.
C)The demand for fertilizer increases.
D)The demand for fertilizer decreases.

Question 59

Suppose that when the price of hamburgers decreases,the Ruiz family increases their purchases of ketchup.To the Ruiz family

A)hamburgers and ketchup are complements.
B)hamburgers and ketchup and substitutes.
C)hamburgers and ketchup are normal goods.
D)hamburgers are normal goods and hot dogs are inferior goods.

Question 60

In January,buyers of gold expect that the price of gold will rise in February.What happens in the gold market in January,holding all else constant?

A)The supply curve shifts to the right.
B)The demand curve shifts to the left.
C)The demand curve shifts to the right.
D)The quantity demanded increases.

Question 61

The market for smartphones has become very competitive.The increase in competition in this market is an example of how the market responds to

A)decreases in the price of desktop computers (a substitute for the product).
B)increases in income.
C)changes in population.
D)changes in consumer tastes.

Question 62

Table 3-2
$$\begin{array} { | c | c | c | c | c | } \hline \begin{array} { c } \text { Caviar } \\\text { Price per oz. } \\\text { (dollars) }\end{array} & \begin{array} { c } \text { Ari's } \\\text { Quantity } \\\text { Demanded } \\\text { (oz.) }\end{array} & \begin{array} { c } \text { Sonia's } \\\text { Quantity } \\\text { Demanded } \\\text { (oz.) }\end{array} & \begin{array} { c } \text { Rest of } \\\text { Market } \\\text { Quantity } \\\text { Demanded } \\\text { (oz.) }\end{array} & \begin{array} { c } \text { Market } \\\text { Quantity } \\\text { Demanded } \\\text { (oz.) }\end{array} \\\hline \$ 75 & 6 & 0 & 46 & \\\hline 65 & 18 & 6 & 64 & \\\hline 55 & 28 & 14 & 136 & \\\hline 45 & 36 & 24 & 170 & \\\hline 35 & 44 & 36 & 220 & \\\hline\end{array}$$

-Refer to Table 3-2.The table above shows the demand schedules for caviar of two individuals (Ari and Sonia)and the rest of the market.At a price of $75,the quantity demanded in the market would be

A)6 oz.
B)46 oz.
C)52 oz.
D)127 oz.

Question 63

A change in which variable will change the market demand for a product?

A)the price of the product
B)population
C)technology
D)the prices of substitutes in production

Question 64

Table 3-2
$$\begin{array} { | c | c | c | c | c | } \hline \begin{array} { c } \text { Caviar } \\\text { Price per oz. } \\\text { (dollars) }\end{array} & \begin{array} { c } \text { Ari's } \\\text { Quantity } \\\text { Demanded } \\\text { (oz.) }\end{array} & \begin{array} { c } \text { Sonia's } \\\text { Quantity } \\\text { Demanded } \\\text { (oz.) }\end{array} & \begin{array} { c } \text { Rest of } \\\text { Market } \\\text { Quantity } \\\text { Demanded } \\\text { (oz.) }\end{array} & \begin{array} { c } \text { Market } \\\text { Quantity } \\\text { Demanded } \\\text { (oz.) }\end{array} \\\hline \$ 75 & 6 & 0 & 46 & \\\hline 65 & 18 & 6 & 64 & \\\hline 55 & 28 & 14 & 136 & \\\hline 45 & 36 & 24 & 170 & \\\hline 35 & 44 & 36 & 220 & \\\hline\end{array}$$

-Refer to Table 3-2.The table above shows the demand schedules for caviar of two individuals (Ari and Sonia)and the rest of the market.If the price of caviar rises from $65 to $75,the market quantity demanded would

A)decrease by 36 oz.
B)increase by 52 oz.
C)increase by 36 oz.
D)decrease by 52 oz.

Question 65

If,in response to an increase in the price of pineapples,the quantity demanded of pineapples decreases,economists would describe this as

A)an decrease in demand.
B)a decrease in quantity demanded.
C)a change in consumer income.
D)a decrease in consumers' taste for coffee.

Question 66

Holding everything else constant,a decrease in the price of bicycles will result in

A)a decrease in the quantity of bicycles demanded.
B)an increase in the demand for bicycles.
C)a decrease in the supply of bicycles.
D)an increase in the quantity of bicycles demanded.

Question 67

An ________ is represented by a rightward shift of the demand curve while an ________ is represented by a movement along a given demand curve.

A)increase in demand; decrease in demand
B)increase in demand; increase in quantity demanded
C)decrease in demand; decrease in quantity demanded
D)increase in quantity demanded; increase in demand

Question 68

Table 3-2
$$\begin{array} { | c | c | c | c | c | } \hline \begin{array} { c } \text { Caviar } \\\text { Price per oz. } \\\text { (dollars) }\end{array} & \begin{array} { c } \text { Ari's } \\\text { Quantity } \\\text { Demanded } \\\text { (oz.) }\end{array} & \begin{array} { c } \text { Sonia's } \\\text { Quantity } \\\text { Demanded } \\\text { (oz.) }\end{array} & \begin{array} { c } \text { Rest of } \\\text { Market } \\\text { Quantity } \\\text { Demanded } \\\text { (oz.) }\end{array} & \begin{array} { c } \text { Market } \\\text { Quantity } \\\text { Demanded } \\\text { (oz.) }\end{array} \\\hline \$ 75 & 6 & 0 & 46 & \\\hline 65 & 18 & 6 & 64 & \\\hline 55 & 28 & 14 & 136 & \\\hline 45 & 36 & 24 & 170 & \\\hline 35 & 44 & 36 & 220 & \\\hline\end{array}$$

-Refer to Table 3-2.The table above shows the demand schedules for caviar of two individuals (Ari and Sonia)and the rest of the market.At a price of $55,the quantity demanded in the market would be

A)42 oz.
B)136 oz.
C)178 oz.
D)233 oz.

Question 69

If a decrease in income leads to an increase in the demand for sardines,then sardines are

A)an inferior good.
B)a neutral good.
C)a necessity.
D)a normal good.

Question 70

If,in response to a decrease in the price of coffee,the quantity demanded of coffee increases,economists would describe this as

A)an increase in demand.
B)an increase in quantity demanded.
C)a change in consumer income.
D)an increase in consumers' taste for coffee.

Question 71

If the price of refillable butane lighters was to decrease,then

A)the demand for butane would decrease.
B)the demand for butane would increase.
C)the quantity of butane demanded would increase.
D)the quantity of butane demanded would decrease.

Question 72

If you are considering buying either an Apple iPhone or a Samsung Galaxy,and you choose the Samsung only because the price is lower,then you consider

A)the iPhone and the Galaxy to be complements.
B)the iPhone and the Galaxy to be substitutes.
C)the iPhone to be a normal good and the Galaxy to be an inferior good.
D)the iPhone to be an inferior good and Galaxy to be a normal good.

Question 73

A demand curve shows the relationship between

A)the price of a product and the quantity of the product demanded.
B)the amount of a product sellers are willing to sell at a particular price and the amount consumers are willing to buy at that price.
C)the quantity that consumers are willing and able to buy and the quantity that sellers are willing and able to offer.
D)the price of a produce and the demand for the product.

Question 74

If a decrease in income leads to in a decrease in the demand for mac and cheese,then mac and cheese is

A)a normal good.
B)a neutral good.
C)a complement.
D)a necessity.

Question 75

If the price of gasoline decreases,what will be the impact in the market for public transportation?

A)The demand curve for public transportation shifts to the right.
B)The quantity of public transportation demanded increases.
C)The demand curve for public transportation shifts to the left.
D)The quantity of public transportation demanded decreases.

Question 76

How does the decreasing use of traditional cameras affect the market for traditional camera film?

A)The demand curve for traditional camera film shifts to the right.
B)The quantity of traditional camera film demanded decreases.
C)The quantity of traditional camera film demanded increases.
D)The demand curve for traditional camera film shifts to the left.

Question 77

Suppose that when the price of hamburgers decreases,the Landry family decreases their purchases of chicken nuggets.To the Landry family

A)hamburgers and chicken nuggets are complements.
B)hamburgers and chicken nuggets are inferior goods.
C)hamburgers and chicken nuggets are normal goods.
D)hamburgers and chicken nuggets are substitutes.

Question 78

Table 3-2
$$\begin{array} { | c | c | c | c | c | } \hline \begin{array} { c } \text { Caviar } \\\text { Price per oz. } \\\text { (dollars) }\end{array} & \begin{array} { c } \text { Ari's } \\\text { Quantity } \\\text { Demanded } \\\text { (oz.) }\end{array} & \begin{array} { c } \text { Sonia's } \\\text { Quantity } \\\text { Demanded } \\\text { (oz.) }\end{array} & \begin{array} { c } \text { Rest of } \\\text { Market } \\\text { Quantity } \\\text { Demanded } \\\text { (oz.) }\end{array} & \begin{array} { c } \text { Market } \\\text { Quantity } \\\text { Demanded } \\\text { (oz.) }\end{array} \\\hline \$ 75 & 6 & 0 & 46 & \\\hline 65 & 18 & 6 & 64 & \\\hline 55 & 28 & 14 & 136 & \\\hline 45 & 36 & 24 & 170 & \\\hline 35 & 44 & 36 & 220 & \\\hline\end{array}$$

-Refer to Table 3-2.The table above shows the demand schedules for caviar of two individuals (Ari and Sonia)and the rest of the market.If the price of caviar falls from $45 to $35,the market quantity demanded would

A)decrease by 50 oz.
B)increase by 70 oz.
C)increase by 50 oz.
D)decrease by 70 oz.

Question 79

Suppose that when the price of strawberries decreases,Simone increases her purchase of whipped cream.To Simone

A)strawberries and whipped cream are complements.
B)strawberries and whipped cream and substitutes.
C)strawberries and whipped cream are normal goods.
D)strawberries are a normal good and whipped cream is an inferior good.

Question 80

The phrase "demand has decreased" means that

A)a demand curve has shifted to the left.
B)there has been an upward movement along a demand curve.
C)there has been a downward movement along a demand curve.
D)a demand curve has shifted to the right.