consumer choice Flashcards

1
Q

if bundle a>b and bundle b>c what can we assume and what is the name of this law

A

bundle a>c
law of transitivity

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2
Q

what does a~d mean

A

a is indifferent to d

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3
Q

if bundles a,e,c are indifferent what does this mean in terms of indifference curves

A

they are on the same indifference curve

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4
Q

if a>b what does this mean for the indifference curve

A

the indifference curve of b is closer to the origin

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5
Q

what is one reason a>b

A

a gives a higher utility than b

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6
Q

can indifference curves cross

A

no

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7
Q

define MRS

A

the willingness to trade one good for another

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8
Q

how do you find the mrs curve

A

the gradient of the indifference curve at one point (dy/dx |x=n)

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9
Q

give an example of how MRS works

A

if a person had 30 burritos but only 5 pizzas, they may be willing to trade 3 burritos for one pizza however only 1/3 of a pizza for a burrito at this specific point on the indifference curve

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10
Q

what do perfect substitute indifference curve look like

A

linear

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11
Q

what do complimentary indifference curves look like

A

right angles

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12
Q

how do you find marginal utility

A

DU/DXDY (partial differentiation)

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13
Q

what does MU show

A

how utility rises as good x is consumed at a higher level while the consumption of good Y remains constant (vice versa)

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14
Q

what relation does MRS have to marginal utilities of x and y

A

MRS = -MUx/MUy

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15
Q

what is the budget constraint function

A

Y = PxX + PyY

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16
Q

what relevance do budget lines have in relation to bundles

A

only bundles under the budget line can be afforded

17
Q

what is the slope of the budget line

A

MRT = -Px/Py

18
Q

what causes an outward shift of the budget line

A

rise in income

19
Q

what causes the budget line to get steeper or shallower

A

price rising o falling of one or both goods (should they not at the same rate)

20
Q

what is the optimal bundle

A

MRS = MRT

21
Q

what does MRS = MRT look like in practice

A

-MUx/MUy = -Px/Py
or
MUx/Px = MUy/Py

22
Q

what is a corner solution

A

when a consumer only buys one of the two available goods

23
Q
A