Copyright (c) Christopher Makler / econgraphs.org

Individual and Market Supply and Demand


0246810010203040
Individual Quantity Demanded\text{Individual Quantity Demanded}
Price\text{Price}
PP
dd
qDq^D
0100200300400500010203040
Market Quantity Supplied and Demanded\text{Market Quantity Supplied and Demanded}
Price\text{Price}
PP
DD
SS
QDQ^D
QSQ^S
surplus\text{surplus}
0246810010203040
Individual Quantity Supplied\text{Individual Quantity Supplied}
Price\text{Price}
PP
ss
qSq^S
demand shifters
I=100:I = 100:
64100144225
NC=64:N_C = 64:
366481100144
qD(P)=14IP=1410020.00=1.25q^D(P) = \frac{\frac{1}{4}I}{P} = \frac{ \frac{1}{4}100 }{ 20.00 } = 1.25
QD(P)=NC×qD(P)=64×1.25=80Q^D(P) = N_C \times q^D(P) = 64 \times 1.25 = 80
qS(P)=Pw=20.004=5.00q^S(P) = \frac{P}{w} = \frac{ 20.00 }{ 4 } = 5.00
QS(P)=NF×qS(P)=64×5.00=320Q^S(P) = N_F \times q^S(P) = 64 \times 5.00 = 320
supply shifters
w=4:w = 4:
1491625
NF=64:N_F = 64:
366481100144