Question #200466

Suppose that monopolist has a demand function p1= 100-Q1 , p1=80-Q1 , C=6Q1+6Q2. How much should be sold in the market? What are corresponding prices? Find total profit?


1
Expert's answer
2021-06-02T11:10:25-0400
MR1=100Q1,MR_1=100-Q_1,

MR2=80Q2,MR_2=80-Q_2,

Set MR1=MR2=MCMR_1=MR_2=MC


C=6Q1+6Q2=6(Q1+Q2)C=6Q_1+6Q_2=6(Q_1+Q_2)

Q1+Q2=QQ_1+Q_2=Q

C=6QC=6Q

MC=6MC=6


MR1=6=>100Q1=6MR_1=6=>100-Q_1=6

Q1=94Q_1=94

p1=10094=6p_1=100-94=6



MR2=6=>80Q2=6MR_2=6=>80-Q_2=6

Q2=74Q_2=74

p2=8074=6p_2=80-74=6

Profits are the difference between the sum of the revenues generated in both market segments and the total cost of producing the output:


π=p1(MR1)+p2(MR2)C\pi=p_1(MR_1)+p_2(MR_2)-C



π=6(6)+6(6)6(6+6)=0\pi=6(6)+6(6)-6(6+6)=0


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