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MBA, Ph.D in Management
Harvard university
Feb-1997 - Aug-2003
Professor
Strayer University
Jan-2007 - Present
71. Perfect Competition
Consider a market that faces the following market safari}r and demand fimctions Q3 = —2+a
1 D
= 1a—-
62 2a where identical firms face the total cost function of
TIL? = 4 + q + 9-2 a) 1F.F'iu'hat is the market price? b) Derive the average variable cost, average total cost, and marginal cost functions. c) In the short run, how much does each firm produce? d) In the short run, how much economic profit or loss will he obtained? e) Based on the results in part (d), will firms want to enter or exit the market? Why? f} In the long run, what is the market price? (Hint: You can find the long run firm quantityr
by setting two of the cost functions equal to one another]
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