Profits in monopoly-perfectly competitive environment

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Suppose a market in which the demand curve is given by:

P = 500 - 12Q

Average and marginal cost are both a constant of 20.

a. What is the perfectly competitive price?

b. What is the elasticity of market demand at the competitive price?

c. If the market is perfectly competitive, what is the elasticity of demand facing an individual firm at the market price?

d. What are profits at the perfectly competitive price?

e. What is the monopoly price?

f. What are profits at the monopoly price?

g. Assume marginal cost increases to 25 as a result of imposition of a tax. What takes place to monopoly and competitive price and output?

h. Compare the % change in monopoly output as a result of the cost change with the % change in output under perfect competition as a result of the cost change? What accounts for any difference you observe?

Reference no: EM1370023

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