Eco09L3
1
Mary has $10 to spend each week on coffee(Qc) and magazines (Qm). The price of a coffee is $1, and the price of a magazine is $2. Mary's budget equation is __________.
Qm + Qc = 20
Qm = 10 - Qc
Qm = 5 - (1/2)Qc
Qc = 10 - (1/2)Qm
2
The figure shows Ronald's budget line. He has a weekly income of $15 and he spends it on hot dogs and hamburgers. The relative price of a hamburger is ____________.
$1.50
30 hotdogs
3 hotdogs
1/3 hotdog
3
The figure shows Ronald's budget line. He has a weekly income of $15, which he spends on hotdogs and hamburgers. Ronald's real income in terms of hamburgers ________________.
depends on the quantity of hotdogs consumed
is 10 hamburgers
is $1.50
depends on the quantity of hamburgers consumed
4
The figure shows Ronald's budget line. He has a weekly income of $15, which he spends on hotdogs and hamburgers. Now Ronald's income increases to $20 per week and the price of a hotdog doubles. Ronald's budget line becomes ___________ and ______________.
flatter; does not shift
flatter; shifts rightward
flatter; shifts rightward
steeper; shifts rightward
5
If two consumption points are not on the same indifference curve, then one point is _____________________.
a substitute for the other point
more expensive than the other
unaffordable and the other is affordable
preferred to the other
6
The figure shows one of Sally's indifference curves and her budget line. At point
a
, Sally's marginal rate of substitution is ___________.
8/3
3/8
3/2
2/3
7
The figure shows Sally's budget line and one of her indifference curves. As Sally moves up along her indifference curve, her marginal rate of substitution _______________.
depends on her income
decreases
increases
remains the same
8
The figure illustrates Sally's budget line and her preferences. Point _______ is Sally's best affordable point, and Sally prefers point _______ to point _______.
e; c; b
b; d; b
b; a; b
a; b; a
9
The figure illustrates Sally's budget line and her preferences. At point _______, the marginal rate of substitution is equal to the relative price.
d
e
b
c
10
When the price of a normal good decreases, the ______ can be divided between the _________ , which keeps the best affordable point on the same indifference curve and the _______, which moves the best affordable point farther away from the origin.
substitution effect; price effect; income effect
price effect; income effect; substitution effect
income effect; substitution effect; price effect
price effect; substitution effect; income effect
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