Qd = 250 -2P
Qs = 3P
1)
Equilibrium condition:
Qd = Qs
250 -2P = 3P
250 = 5P
P = 250 /5
= 50
Q = 3(50)
= 150
2)
Qd = 250 -2P
Inverse:
P = 120 - 0.5Q
Qs = 3P
Inverse:
P = (1/3)Q
CS:
= 0.5Base(Height)
=0.5(120 -50)(150)
= 5250
PS :
= 0.5 (150)(50)
= 3750
W = C+S
= 9000
3)
Qd = 250 -2P
Qs = 3P
Price ceiling:
Qd = 250 - 2(15)
= 250 - 30
= 220
Qs = 3(15)
= 45
Excess Demand = 220 - 45
= 175
Price = 15
Q = 175
4)
PS = 0.5*15*45
=337.5
CS = 0.5(120 -97.5)(45) +(97.5-15)*45
= 4218.75
W = 4556.25
Loss of W = 9000 - 4556.25
= 4443.75
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