a) A monopolist will produce using the rule MR = MC
5100 - 20Q = 1800 + 2Q
3300 = 22Q
Qm = 150 devices and price per device Pm = 5100 - 10*150= 3600
b) Profit / Loss = TR - TC = 3600*150 - (190500 + 1800*150 + 150^2) = 57000
c) We see that slope of the demand function is -0.1. Elasticity = slope of demand x price / quantity
= -0.1 x 3600/150 = -2.4 Since |ed| > 0, the demand is elastic.
d) ed = -1
-1 = -0.1 x P/Q
P = 10Q
Q = 510 - 0.1*10Q
or Q = 510 - Q
Q = 255. When Q = 255 and price = 2550, elasticity is -1.
e) No because it is not producing where P = MC but its level of output has MR = MC and since it is monopolist, its MR < Price.
1. A firm called SoderWerks is a monopolist in the production of a sophisticated electronic device...
The graph below represents the costs of production for a
monopolistically competitive firm. Assuming the firm is producing
at the profit-maximizing level of output, (Q*,P*) , where Q = 40
and P * =$16 . Assume average cost is $14.50
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