demand supply
DESCRIPTION
Demand Supply Pareto efficiency has nothing tosay about the distribution ofwelfare.TRANSCRIPT
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(Demand and Supply) (Demand)
3 1. (Price Demand)
2. (Income Demand)
3. (Cross Demand)
Law of Demand
2 (Income effect) (Real Income) (Substitution effect)
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Economics for everyday life
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1
(P) (/)
(Q) (/)
25 20 15 10 5
8 10 12 16 20
(Individual Demand and Market Demand)
(Individual Demand)
(Market Demand)
(/)
(/)
25 20 15 10 5
8 10 12 16 20
0 4 8 10 12
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(Determinants of Demand) 2 1. 2.
1.
2 1.1 (Substitution Goods) 1.2 (Complementary Goods)
2. 2 2.1 (Normal Goods) 2.2 (Inferior Goods)
3. 4. 5. 6. 7.
(Demand Function)
Qx = f (Px, Py, Y, A1, A2, ) Qx = f (Px)
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Economics for everyday life
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2 1. (Change in Quantity Demanded)
2. (Shifts in the Demand
Curve)
(P) (/)
(Q) (/)
(Q)
(/) (Q)
(/) 25 20 15 10 5
8 10 12 16 20
5
25
20
15
10
P (/)
5 20 15 10 Q (/)
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Economics for everyday life
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5
25
20
15
10
P (/)
5 20 15 10 Q (/)
5
25
20
15
10
P (/)
5 20 15 10 Q (/)
25 30
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Economics for everyday life
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(Supply)
Law of Supply
1
(P) (/)
(Q) (/)
25 20 15 10 5
16 14 12 10 8
(Individual Supply and Market Supply) (Individual Supply)
(Market Supply)
(/) (/)
25 20 15 10 5
16 14 12 10 8
12 10 8 6 4
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(Determinants of Supply)
2 1. 2.
1. 2. 3. 4. 5. 6.
(Supply Function)
Qx = f (Px, B1, B2, )
Qx = f (Px)
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2 1. (Change in Quantity Supplied)
2. (Shifts in the Supply
Curve)
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(Market Equilibrium)
(/)
() Qs - Qd Qd Qs
25 20 15 10 5
8 14 20 26 32
28 24 20 16 12
(Market Equilibrium)
(/)
() 5
0 10 15 20 25 30
20
15
5
10
35
25
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1. 1.1
1.2 2.
2.1
2.2
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3. 3.1 3.2 3.3 3.4
2
1. (Price Support or Minimum Price) 2. (Price Ceiling)
1. (Price Support or Minimum Price)
2
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Economics for everyday life
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1.1
P
1.2
P
Q
Q
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2. (Price Ceiling)
P
(Elasticity of Demand and Supply)
(Elasticity)
(Elasticity of Demand) 3
1. (Price Elasticity of Demand) 2. (Income Elasticity of Demand) 3. (Cross
Price Elasticity of Demand)
Q
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I (Price Elasticity of Demand)
x
xd
d
P%Q%E
E
20% 40%
1. (Perfectly Inelastic Demand ; Ed = 0)
2. (Inelastic Demand ; 0 < Ed < 1)
3. (Unitary Elastic Demand ; Ed = 1)
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4. (Elastic Demand ; 1 < Ed < )
5. (Perfectly Elastic Demand ; Ed = )
Elastic Unitary Elastic Inelastic
Ed > 1 Ed = 1 Ed < 1
1.
2.
3.
4.
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II (Income Elasticity of Demand)
Y%Q%
EY
- (Normal Goods) - (Inferior Goods) 6,000 7,000 600 / 680 / 30% 10%
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Economics for everyday life
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III (Cross Price Elasticity of Demand)
y
xC P%
Q%
E
- 2 (Substitution Goods)
- 2 (Complementary Goods)
10% 5% 90 60 / 70 80 /
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(Elasticity of Supply; Es) (Price Elasticity of Supply)
x
xs
s
P%Q%E
E
1,200 150 1,000 120
1. (Perfectly Inelastic Supply ; Es = 0) 2. (Inelastic Supply ; 0 < Es < 1) 3. (Unitary Elastic Supply ; Es = 1) 4. (Elastic Supply ; 1 < Es < ) 5. (Perfectly Elastic Supply ; Es = )
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1.
2.
3.
4.