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lOMoARcPSD| 36066900
lOMoARcPSD| 36066900
Test1
I.
The following statements are correct or incorrect,
why?
1.
An increase in price leads to a fall in demand (D)
Answer : InCorrect
Evidence : Other things are held constant:
P ↑→ Q
D
P↓ Q
D
Reasons:
- Substitution effect
- Income effect
Combination of the 2 effects: P & Q
D
have a negative relationship. ( not the demand relationship)
2.
D↑ and S↓ lead to the decreases in (equilibrium) price and
quantity
Answer : InCorrect
Evidence :
D↑→ P↑, Q↑
S↑→ P↓, Q↑
D↑ ,S ↓, P ↑, Q uncertain
3.
A & B are substitutions for each other, a decrease in demand
of B leads to a decrease in price of A.
Answer : InCorrect
Evidence :
Price of substitutions (Ps):
Ps
B
D
B
D
A
↑→ Ps
A
uncertain
4.
A & B are complements for each other, an increase in supply of
B leads to a reduction in price of A
lOMoARcPSD| 36066900
P
A
S
S’
400
200
lOMoARcPSD| 36066900
Answer : InCorrect
Evidence :
the theoretical part of supply has no part of substitutions
5.
An increase in consumers’ income leads to an increase in price
Answer : Correct
Evidence :
Consumer’s income (I) .
Normal goods: I D
While chance in demand
D↑→ P↑, Q
I↑→ P↑
6.
Moving along a demand curve, an increase in price leads to an
increase in total
revenue
Answer : Correct
Evidence : When demand is price
inelastic, a given percentage change in
price results in a smaller percentage
change in quantity demanded. That
implies that total revenue will move in the
direction of the price change: a reduction in
price will reduce total revenue, and an
increase in price will increase it
7.
When income increases, it results in an increase in demand for
neccesity goods.
Answer : InCorrect
Evidence : As income rises, the proportion of total consumer expenditures on necessity goods typically
declines. Inferior goods have a negative income elasticity of demand; as consumers' income rises, they
buy fewer inferior goods.
8.
Asume that you are a FTU’s student, what is opportunity cost
of studying abroad?
9.
PPF will shift outward when the economy moves from an
inefficient bundle (of x and y) to a efficent bundle.
Answer : Correct
lOMoARcPSD| 36066900
Evidence : An increase in production capability: PPF shifts outward.
the economy moves from an inefficient bundle to a efficent bundle mean there will have increase in
production capability lead to PPF shift outward.
y
E
A
y1
B
y2
C
F
0
x
1
x2
D
x
PPF
Possible and inefficient
Possible and efficient bundle
Impossible bundle (out of
capacity of the economy)
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lOMoAR cPSD| 36066900 lOMoAR cPSD| 36066900 Test1
I. The following statements are correct or incorrect, why?
1. An increase in price leads to a fall in demand (D) Answer : InCorrect
Evidence : Other things are held constant: P ↑→ Q D ↓ P↓ → Q D ↑ Reasons: - Substitution effect - Income effect
Combination of the 2 effects: P & Q D have a negative relationship. ( not the demand relationship)
2. D↑ and S↓ lead to the decreases in (equilibrium) price and quantity Answer : InCorrect Evidence : D↑→ P↑, Q↑ S↑→ P↓, Q↑
D↑ ,S ↓, → P ↑, Q uncertain
3. A & B are substitutions for each other, a decrease in demand
of B leads to a decrease in price of A. Answer : InCorrect Evidence : Price of substitutions (Ps): PsB↑ DB ↓ DA ↑→ PsA uncertain
4. A & B are complements for each other, an increase in supply of
B leads to a reduction in price of A lOMoAR cPSD| 36066900 PA S S’ 400 200 lOMoAR cPSD| 36066900 Answer : InCorrect Evidence :
the theoretical part of supply has no part of substitutions 5.
An increase in consumers’ income leads to an increase in price Answer : Correct Evidence : Consumer’s income (I) . Normal goods: I ↑ → D ↑ While chance in demand D↑→ P↑, Q ↑ ⇨ I↑→ P↑
6. Moving along a demand curve, an increase in price leads to an increase in total revenue Answer : Correct
Evidence : When demand is price
inelastic, a given percentage change in
price results in a smaller percentage
change in quantity demanded. That
implies that total revenue will move in the
direction of the price change: a reduction in
price will reduce total revenue, and an
increase in price will increase it
7. When income increases, it results in an increase in demand for neccesity goods. Answer : InCorrect
Evidence : As income rises, the proportion of total consumer expenditures on necessity goods typically
declines. Inferior goods have a negative income elasticity of demand; as consumers' income rises, they buy fewer inferior goods.
8. Asume that you are a FTU’s student, what is opportunity cost of studying abroad?
9. PPF will shift outward when the economy moves from an
inefficient bundle (of x and y) to a efficent bundle. Answer : Correct lOMoAR cPSD| 36066900
Evidence : An increase in production capability: PPF shifts outward.
the economy moves from an inefficient bundle to a efficent bundle mean there will have increase in
production capability lead to PPF shift outward. y Impossible bundle (out of capacity of the economy) E A Possible and efficient bundle B y1 Possible and inefficient y2 C F PPF 0 x1 x2 D x