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For Vivien, vintage clothing is a normal good. If the price of vintage clothing falls and Vivien's income remains the same, what are the substitution and income effects of the price fall?
The substitution effect ________ the quantity of vintage clothing bought and the income effect ________ the quantity of vintage clothing bought.
does not change; increases
❌
increases; decreases
❌
decreases; decreases
❌
increases; increases
✅
decreases; increases
❌
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What is the shape of the consumer's indifference curves if the two goods that the consumer buys are perfect substitutes?
The indifference curves are
positively-sloped straight lines.
❌
L-shaped.
❌
negatively-sloped straight lines.
✅
horizontal straight lines.
❌
vertical straight lines.
❌
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The consumer makes the best affordable choice and then the price of one good rises. Which of the following statements must be correct?
The substitution effect of the price rise is positive.
❌
The substitution effect of the price rise is negative.
✅
The income effect of the price rise is positive.
❌
The income effect of the price rise is zero.
❌
The income effect of the price rise offsets the substitution effect.
❌
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The consumer has bought the best affordable combination of goods. How does a change in the market price of one of the goods bought change the consumer's best affordable point?
The change in the price of the good has
a substitution effect, but no income effect.
0%
a substitution effect along the initial indifference curve and an income effect as the consumer moves between indifference curves.
0%
a substitution effect as the consumer moves to another indifference curve.
0%
an income effect but no substitution effect.
0%
an income effect as the consumer moves along the initial indifference curve and a substitution effect as the consumer moves to another indifference curve.
0%
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How does a change in the consumer's income change the consumer's budget line?
Both the slope and
y
-intercept change.
❌
Both the
x
- and
y
-intercepts change, but not the slope.
✅
Only the
y
-intercept changes.
❌
Only the slope changes.
❌
Both the slope and
x
-intercept change.
❌
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Larry consumes only beer (
B
) and chips (
C
). What is the magnitude of the slope of Larry's budget line with beer measured on the vertical axis?
P
C
/Y
❌
Y/P
C
❌
P
C
×
P
B
❌
Y/P
B
❌
P
C
/P
B
✅
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What is a consumer's marginal rate of substitution?
As the consumer moves along an indifference curve, the marginal rate of substitution between goods
X
and
Y
is the rate at which a consumer gives up the good measured on the
y
-axis to get an additional unit of the good measured on the
x
-axis.
✅
increases and more of the good measured on the
x
-axis is bought.
❌
is the amount of good
Y
the consumer must give up to move to a higher indifference curve.
❌
is greater than the magnitude of the slope of the budget line.
❌
is equal to the slope of the budget line.
❌
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If good
X
is measured on the horizontal axis and good
Y
is measured on the vertical axis, what is a consumer's marginal rate of substitution between good
X
and good
Y
?
It is equal to the magnitude of the slope of the budget line.
0%
It is the rate at which a consumer will give up good
Y
to obtain an additional unit of good
X
while remaining indifferent.
0%
It is the relative price of good
X
in terms of good
Y
.
0%
It is the relative price of good
Y
in terms of good
X
.
0%
It is the rate at which a consumer will give up good
X
to obtain an additional unit of good Y while remaining indifferent.
0%
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If the consumer's income decreases, how does the consumer's budget line change?
It shifts leftward and parallel to the original budget line.
0%
It shifts rightward and parallel to the original budget line.
0%
It shifts parallel either leftward or rightward depending on whether the goods measured on the axes are normal or inferior.
0%
It becomes steeper.
0%
It becomes flatter.
0%
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Which of the following situations arises when Jim makes his best affordable choice?
Jim buys the combination of goods at which the budget line
does not touch the highest attainable indifference curve.
❌
is tangent to the highest attainable indifference curve.
✅
intersects the highest attainable indifference curve.
❌
is steeper than the highest attainable indifference curve.
❌
is flatter than the highest attainable indifference curve.
❌
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