Deck 4: Consumer Choice

Question 1

Convexity of indifference curves implies that consumers are willing to

A) give up more "y" to get an extra "x" the more "x" they have.
B) give up more "y" to get an extra "x" the less "x" they have.
C) settle for less of both "x" and "y."
D) acquire more "x" only if they do not have to give up any "y."

Answer 1

B

Question 2

Utility is the set of numerical values that

A) yields an absolute level of pleasure from a bundle of goods.
B) reflects the relative ranking of various bundles of goods.
C) describes how much more a consumer prefers one bundle to another.
D) yields a cardinal ranking of bundles.

Answer 2

B

Question 3

If a consumer weakly prefers pizza to hot dogs,and weakly prefers hot dogs to chicken,then he ________ pizza ________ chicken.

A) likes; less than
B) likes; at least as much as
C) dislikes; more than
D) dislikes; and is indifferent about

Answer 3

B

Question 4

A consumer's willingness to trade one good for another can be expressed by the consumer's

A) indifference curve.
B) marginal rate of substitution.
C) Both A and B above.
D) None of the above.

Question 5

If more is better,how can you explain that more pollution doesn't violate this principle?

Question 6

The indifference curves for left shoes and right shoes would most likely be

A) upward sloping and concave to the origin.
B) downward sloping and convex to the origin.
C) downward sloping and straight lines.
D) L-shaped.

Question 7

If two goods are perfect substitutes,then the indifference curves for those two goods would be

A) upward sloping and concave to the origin.
B) downward sloping and convex to the origin.
C) downward sloping and straight.
D) L-shaped.

Question 8

Measuring "y" on the vertical axis and "x" on the horizontal axis,convexity of indifference curves implies that the MRS of "y" for "x"

A) is decreasing as "x" increases.
B) is increasing as "x" increases.
C) is constant as "x" increases.
D) cannot be calculated for large levels of "x."

Question 9

Indifference curves close to the origin are ________ those farther from the origin because of ________.

A) better than; transitivity
B) worse than; nonsatiation
C) better than; completeness
D) worse than; transitivity

Question 10

For which of the following pairs of goods would most people likely have convex indifference curves?

A) nickels and dimes
B) left shoes and right shoes
C) movie tickets and concert tickets
D) None of the above.

Question 11

There is an indifference curve through every bundle because of the assumption of

A) transitivity.
B) completeness.
C) rationality.
D) nonsatiation.

Question 12

Perfect substitutes

A) always have indifference curves with slopes of -1.
B) always have indifference curves with slopes of 1.
C) have fixed rates of trading off one good for another.
D) have horizontal indifference curves.

Question 13

An indifference curve represents bundles of goods that a consumer

A) views as equally desirable.
B) ranks from most preferred to least preferred.
C) refers to any other bundle of goods.
D) All of the above.

Question 14

If two indifference curves were to intersect at a point,this would violate the assumption of

A) transitivity.
B) completeness.
C) Both A and B above.
D) None of the above.

Question 15

Consumers allocate their budgets among bundles because

A) more is not always better.
B) bundles are the most efficient way to package goods and services.
C) consumers face choices and tradeoffs.
D) they want to minimize trips to the store.

Question 16

If a consumer prefers apples to bananas and prefers bananas to citrus fruit,in order to satisfy assumptions about preferences she has to prefer

A) bananas to apples.
B) citrus fruit to bananas.
C) apples to citrus fruit.
D) citrus fruit to apples.

Question 17

The assumption of completeness means that

A) the consumer can rank all possible consumption bundles.
B) more of a good is always better.
C) the consumers can rank all affordable consumption bundles.
D) all preferences conditions are met.

Question 18

The principle that "More is better" results in indifference curves

A) sloping down.
B) not intersecting.
C) reflecting greater preferences the further they are from the origin.
D) All of the above.

Question 19

Indifference curves are downward sloping because of the assumption of

A) completeness.
B) transitivity.
C) more is better.
D) All of the above.

Question 20

Indifference curves cannot intersect.

Question 21

If Fred's marginal utility of pizza equals 10 and his marginal utility of salad equals 2,then

A) he would give up 5 pizzas to get the next salad.
B) he would give up 5 salads to get the next pizza.
C) he will eat five times as much pizza as salad.
D) he will eat five times as much salad as pizza.

Question 22

What is the difference between ordinal and cardinal measurement?

Question 23

The rate at which a consumer must give up y to get one more x is equal to

A) -/ .
B) -/ .
C) -/ .
D) / .

Question 24

If two bundles are on the same indifference curve,then

A) the consumer derives the same level of utility from each.
B) the consumer derives the same level of ordinal utility from each but not the same level of cardinal utility.
C) no comparison can be made between the two bundles since utility cannot really be measured.
D) the MRS between the two bundles equals one.

Question 25

Clifford lives by the motto "Eat drink and be merry today,for tomorrow doesn't matter." If today's consumption is represented by "x" and tomorrow's consumption is represented by "y," then which of the following best represents Clifford's utility function?

A) U = x - y
B) U = x/y
C) U = x
D) U = y

Question 26

Lisa eats both pizzas and burritos.If the price of a pizza increases,Lisa's opportunity set

A) becomes larger.
B) becomes smaller.
C) is unchanged.
D) cannot be determined without more information.

Question 27

Joe's income is $500,the price of food (F,y-axis)is $2 per unit,and the price of shelter (S,x-axis)is $100.Which of the following represents his marginal rate of transformation of food for shelter?

A) -5
B) -50
C) -.02
D) None of the above.

Question 28

Joe's income is $500,the price of food (F,y-axis)is $2,and the price of shelter (S,x-axis)is $100.Which of the following bundles is in Joe's opportunity set?

A) 50 units of food, 5 units of shelter
B) 200 units of food, 2 units of shelter
C) 100 units of food, 1 unit of shelter
D) 150 units of food, 3 units of shelter

Question 29

Joe's income is $500,the price of food (F,y-axis)is $2 per unit,and the price of shelter (S,x-axis)is $100.Which of the following represents his budget constraint?

A) 500 = 2F + 100S
B) F = 250 - 50S
C) S = 5 - .02F
D) All of the above.

Question 30

If both prices increases by 50%

A) budget constraint will be unchanged.
B) slope of the budget constraint stay the same.
C) slope of the budget constraint will decrease.
D) budget constraint will shift outward in a parallel fashion.

Question 31

Adrian's total utilities of two consumption bundles are 50 and 100.This implies that

A) the consumer prefers the first bundle.
B) the consumer prefers the second bundle.
C) the consumer likes the second bundle twice as much.
D) the consumer likes the first bundle twice as much.

Question 32

The marginal rate of transformation of y for x represents

A) the slope of the budget constraint.
B) the rate at which the consumer must give up x to get one more y.
C) -/.
D) All of the above.

Question 33

If Fred's marginal rate of substitution of salad for pizza equals 5,then

A) he would give up 5 pizzas to get the next salad.
B) he would give up 5 salads to get the next pizza.
C) he will eat five times as much pizza as salad.
D) he will eat five times as much salad as pizza.

Question 34

Joe's income is $500,the price of food (F,y-axis)is $2 per unit,and the price of shelter (S,x-axis)is $100.Which of the following represents his budget constraint?

A) 500 = 100F + 2S
B) 500 = 2F + 100S
C) S = 500 - 2F
D) All of the above.

Question 35

Betty consumes good x and good y.If the price of x = $3 and the price of y = $4,then

A) an extra unit of x costs 4/3 units of y.
B) an extra unit of y costs 4/3 units of x.
C) an extra unit of x costs 3/4 units of y.
D) Both B and C.

Question 36

If the utility function (U)between food (F)and clothing (C)can be represented as U = ,the marginal utility of food

A) is not positive.
B) does not diminish as food increases.
C) is not affected by the amount clothing.
D) increases as one obtains more clothing.

Question 37

If the price of one good increases while the price of the other good and the consumer's income remain unchanged,what will happen to the budget line?

A) The budget line rotates inward from the intercept on the axis of the good that did not change in price.
B) The budget line rotates outward from the intercept on the axis of the good that did not change in price.
C) The budget line shifts inward without a change in slope.
D) The budget line shifts outward without a change in slope.

Question 38

If both prices decreases by 50%

A) budget constraint will be unchanged.
B) slope of the budget constraint will increase.
C) slope of the budget constraint will decrease.
D) budget constraint will shift outward in a parallel fashion.

Question 39

Joe's budget constraint equals 500 = 2F + 100S,where $500 is Joe's income,$2 is the price of food (F,y-axis)and $100 is the price of shelter (S,x-axis).How much food can Joe buy if he buys one unit of shelter?

A) 2 units
B) 200 units
C) 250 units
D) 400 units

Question 40

The marginal rate of transformation of y for x represents

A) the slope of the budget constraint.
B) the rate at which the consumer must give up y to get one more x.
C) -/ .
D) All of the above.

Question 41

4.5 Deriving Demand Curves

The above figure shows Bobby's indifference map for juice and snacks.Also shown are three budget lines resulting from different prices for snacks.Bobby's demand for snacks is

A) unit elastic.
B) elastic.
C) inelastic.
D) perfectly elastic.

Question 42

Economists assume consumers select a bundle of goods that maximizes their well-being subject to

A) their budget constraint.
B) their income.
C) relative prices.
D) their marginal rate of substitution.

Question 43

An increase in the price of a good causes

A) a change in the slope of the budget line.
B) an increase in the consumption of that good.
C) a rightward shift of the demand curve for that good.
D) a parallel rightward shift of the budget line.

Question 44

Assume the price of beer is $4,the price of pizza is $10 and the consumer's income is $250.Which consumption bundle will NOT be the consumers choice?

A) 5 beer, 5 pizza
B) 0 beer, 25 pizza
C) 25 beer, 15 pizza
D) None of the bundle will be chosen.

Question 45

A consumer buys food (F)and shelter (S).If the consumer's income rises and there is no change in the prices of F or S,the marginal rate of transformation of F for S will

A) increase.
B) decrease.
C) stay the same.
D) change, but there is not enough information to know how.

Question 46

By selecting a bundle where MRS = MRT,the consumer is saying

A) "I value my last unit of each good equally."
B) "I am willing to trade one good for the other at the same rate that I am required to do so."
C) "I will equate the amounts spent on all goods consumed."
D) All of the above.

Question 47

With respect to consuming food and shelter,two consumers face the same prices and both claim to be in equilibrium.We therefore know that

A) they both have the same marginal utility for food.
B) they both have the same marginal utility for shelter.
C) they both have the same MRS of food for shelter.
D) All of the above.

Question 48

An individual's demand curve for a good can be derived by measuring the quantities selected as

A) the price of the good changes.
B) the price of substitute goods changes.
C) income changes.
D) All of the above.

Question 49

Behavioral economics extends traditional economic models by

A) including insights from psychology and human cognition models.
B) modeling behavior rather than prices.
C) admitting that individuals are irrational.
D) admitting that incentives are very important.

Question 50

What is the intuition that an expansion of an individual's budget set represents a gain?

A) More options are preferred to less.
B) Money is the root of all happiness.
C) Information is power.
D) Scarcity is avoidable with prosperity.

Question 51

By selecting a bundle where MRS = MRT,the consumer is

A) achieving a corner solution.
B) reaching the highest possible indifference curve she can afford.
C) not behaving in an optimal way.
D) All of the above.

Question 52

4.5 Deriving Demand Curves

The above figure shows Bobby's indifference map for juice and snacks.Also shown are three budget lines resulting from different prices for snacks assuming he has $20 to spend on these goods.Which of the following points are on Bobby's price-consumption curve?

A) 10 snacks and 20 juices
B) 10 snacks and 0 juices
C) 10 snacks and 5 juices
D) 10 snacks and 15 juices

Question 53

As the price of a good rises,the consumer will experience

A) a desire to consume a different bundle.
B) a decrease in utility.
C) a southern or western movement on the indifference map.
D) All of the above.

Question 54

If the consumer's income increases while the prices of both goods remain unchanged,what will happen to the budget line?

A) The budget line rotates inward from the intercept on the horizontal axis.
B) The budget line rotates outward from the intercept on the vertical axis.
C) The budget line shifts inward without a change in slope.
D) The budget line shifts outward without a change in slope.

Question 55

4.5 Deriving Demand Curves

The above figure shows Bobby's indifference map for juice and snacks.Also shown are three budget lines resulting from different prices for snacks.As the price of snacks rises,Bobby's utility

A) stays the same.
B) increases.
C) decreases.
D) might change, but there is not enough information to determine.

Question 56

4.5 Deriving Demand Curves

The above figure shows Bobby's indifference map for juice and snacks.Also shown are three budget lines resulting from different prices for snacks assuming he has $20 to spend on these goods.Which of the following points are on Bobby's demand curve for snacks?

A) p = 2, q = 10
B) p = 2, q = 13
C) p = 2, q = 5
D) p = 1, q = 20

Question 57

An interior solution to a consumer's utility maximization problem implies

A) consuming a positive amount of all goods.
B) consuming negative amounts of all goods.
C) consuming less than optimal amounts of all goods.
D) consuming more than an optimal amount of at least one good.

Question 58

An optimum that occurs as a corner solution

A) includes only one good.
B) cannot be an equilibrium.
C) cannot exhaust the budget constraint.
D) includes the exact same amounts of each good.

Question 59

The consumer is in equilibrium when

A) MRT = MRS.
B)
C) the budget line is tangent to the indifference curve at the bundle chosen.
D) All of the above.

Question 60

4.5 Deriving Demand Curves

The above figure shows Bobby's indifference map for juice and snacks.Also shown are three budget lines resulting from different prices for snacks.As the price of snacks rises,the price for juice

A) stays the same.
B) increases.
C) decreases
D) might change, but there is not enough information to determine.

Question 61

Which of the following might explain the evidence of an endowment effect in behavioral economics?

A) government regulation
B) knowledge and experience
C) the federal tax code
D) class envy

Question 62

In Spain,people are considered organ donors unless the explicitly indicate they do not want to be.In the United States,people are only considered organ donors if they explicitly indicate they wish to be.Behavioral economics would suggest that

A) everything else equal, the opt-in system of Spain would generate more organ donors. as a percentage of the adult population.
B) everything else equal, the opt-in system of the United States would generate more organ donors as a percentage of the adult population.
C) everything else equal, the opt-out system of Spain would generate more organ donors. as a percentage of the adult population.
D) everything else equal, the opt-out system of the United States would generate more organ donors as a percentage of the adult population.

Question 63

Which is a behavioral economics justification for limiting advertising directed towards children?

A) Children have no money.
B) Children pester their parents too much.
C) Children have no memory.
D) Children do not always have transitive preferences.

Question 64

In behavioral economics,salience is best exemplified by

A) consumers responding differently when posted prices increase rather than when prices increase because of sales tax increases.
B) consumers responding the same regardless of how prices change.
C) the end of a controlled experiment.
D) consumers responding differently when income increases permanently rather than temporarily.

Question 65

In behavioral economics,the endowment effect refers to

A) most people believe that most wealthy people inherit their wealth.
B) many people would be indifferent between being endowed with money or knowledge.
C) many people place a higher value on what they own than when they consider purchasing.
D) most people respond to tax incentives to provide an endowment for their children.

Question 66

In behavioral economics,the term salience refers to

A) relevance to the problem being investigated.
B) people only consider information when it is conveyed in a subtle manner.
C) how an experiment is designed.
D) people consider information when it is presented in an "eye grabbing" manner.

Question 67

Bounded rationality suggests that

A) individuals might make "incorrect" decisions because they are unable to consider all possible options.
B) individuals would rather have less choice to more choice.
C) rational decisions can only be made when choices are restricted.
D) individuals are happier when their choices are restricted or "bounded."