Question 5 Consider a firm that is a monopolist and sells in two distinct markets. The demand curves in the two markets are: P1 = 160 -8Q1 P2 = 80-2Q2 The marginal cost curves is 5+ Q where Q is the firms entire output destined for either market. What pricing policy would you suggest? How many units of output should it sell in each market?
Answer: market one:
P1 = 160-8Q1
Output/ quantity = Q
TR = Price * quantity
= (160 – 8Q1 )* Q
TR = 160Q – 8Q^2
We will find MR by 1st order derivation of TR
MR = 160- 16Q
Equilibrium condition is : MR = MC
MC = 5 + Q
160 – 16Q = 5 + Q
-16Q – Q = 5 – 160
-17 Q = - 155
Q = - 155 / -17
Q = 9.12
P1 = 160 – 8Q
= 160 – 8 * 9.12
P = 87.04
So , price is 87.04 in market 1 and monopolist will sell 9.12 units of output there
Market 2:
P2 = 80 – 2Q2
Quantity = Q
TR = (80 – 2Q ) * Q
TR = 80Q – 2Q^2
MR will be 1st order differentiation of TR
MR = 80 – 4Q
Equilibrium is MR = MC
80 – 4Q = 5 + Q
80 -5 = Q + 4Q
5Q = 75
Q = 75 / 5
Q = 15
P2 = 80 – 2Q2
= 80 – 2 (15)
= 80 – 30
P = 50
So, price will be 50 in market 2 and the output sell at this price will be 12 units
Question 5 Consider a firm that is a monopolist and sells in two distinct markets. The...
Consider a firm that is a monopolist and sells in two distinct markets. The demand curves in the two markets are: P1 = 160 -8Q1 P2 = 80-2Q2 The marginal cost curves is 5+ Q where Q is the firms entire output destined for either market. What pricing policy would you suggest? How many units of output should it sell in each market?
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