a)
C(q) = 2q + 2q2
dC(q)/dq = MC = 2 + 4q
MC = 2 + 4q
b) supply function for a typical pizza firm is given by
P = MC
P = 2 + 4q
P - 2 = 4q
q = (P - 2)/4
c) Since there are 100 firms
So market supply curve Qs = nq
= 100 (P - 2)/4
= 25(P - 2)
= 25P - 50
Qs = 25P - 50
Q + 50 = 25P
P = Q/25 + 2
Thus inverse market supply is P = Q/25 + 2
d)
Qd = 1000 - 50P
Qs = 25P - 50
Qd = Qs (Market equilibrium condition)
1000 - 50P = 25P - 50
1000 + 50 = 25P + 50P
1050 = 75P
P = 1050/75
= 14
Q = 1000 - 50(14)
= 1000 - 700
= 300
Quantity produced by each firm q = (P - 2)/4
= (14 - 2)/4
= 12/4
= 3
Suppose that the total cost of producing pizzas for the typical firm in a local town...
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