Name
_____________________________
Econ 212 Final Exam
Fall 2007
You are allowed access to three pages of notes and a calculator while completing the
exam.
Multiple Choice (16 points total 2 points each)
Identify the choice that best completes the statement or answers the question.
____
1.
Ambrose has the utility function
U
(
x
1
,
x
2
) =
. If Ambrose were initially consuming 4 units of
nuts (good 1) and 27 units of berries (good 2), then what is the largest number of berries that he would be
willing to give up in return for an additional 21 units of nuts?
a.
5
b.
12
c.
6
d.
32
e.
3
____
2.
The following can be said about the income and substitution effects of a price increase on the demand for a
good whose price rose:
a.
The former is always positive and the latter is always negative.
b.
Both can be either positive or negative.
c.
While the latter is always negative, the former can be either positive or negative.
d.
While the former is always negative, the latter can be either positive or negative.
e.
The former can at times be negative, but it will never overwhelm the latter.
____
3.
A firm has the production function
f
(
x
,
y
) =
x
1.20
y
2
. This firm has
____
4.
If the shortrun marginal costs of producing a good are $40 for the first 200 units and $50 for each additional
unit beyond 200, then in the short run, if the market price of output is $46, a profitmaximizing firm will
1
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____
5.
Goods 1 and 2 are perfect complements, and a consumer always consumes them in the ratio of 2 units of good
2 per unit of good 1. If a consumer has an income of $720 and if the price of good 2 changes from $8 to $9,
while the price of good 1 stays at $1, then the income effect of the price change
a.
is 9 times as strong as the substitution effect.
b.
does not change demand for good 1.
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 Spring '08
 Yu
 Economics, Supply And Demand, b. c. d., C E E C E A

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