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28 Sep 2019
The inverse market demand in a homogeneous product Cournot duopoly is
P=100-2(Q1+Q2), and the costs are given by C(Q1) = 12Q1 and C(Q2) = 20Q2. The implied marginal costs are $12 for firm 1 and $20 for firm 2.
Determine the reaction function for firm 1.
P*Q1 = 100Q1 - 2Q1^2 - 2Q1Q2
HR= 100-4Q1-2Q2 = 12
88-2Q2/4 = Q1
Determine the reaction function for firm 2.
P*Q2 = 100Q2-2Q1Q2 - 2Q2
HR= 100 - 2Q1 - 4Q2 = 20
80 - 2Q1 / 4 = Q2
Calculate the Cournot equilibrium price and quantity.
Suppose firm 1 is a monopoly (firm 2 does not exist), what is firm 1's monopoly output and price?
How does the monopoly price and quantity comparing with Cournot equilibrium in part (c)?
The inverse market demand in a homogeneous product Cournot duopoly is
P=100-2(Q1+Q2), and the costs are given by C(Q1) = 12Q1 and C(Q2) = 20Q2. The implied marginal costs are $12 for firm 1 and $20 for firm 2.
Determine the reaction function for firm 1.
P*Q1 = 100Q1 - 2Q1^2 - 2Q1Q2
HR= 100-4Q1-2Q2 = 12
88-2Q2/4 = Q1
Determine the reaction function for firm 2.
P*Q2 = 100Q2-2Q1Q2 - 2Q2
HR= 100 - 2Q1 - 4Q2 = 20
80 - 2Q1 / 4 = Q2
Calculate the Cournot equilibrium price and quantity.
Suppose firm 1 is a monopoly (firm 2 does not exist), what is firm 1's monopoly output and price?
How does the monopoly price and quantity comparing with Cournot equilibrium in part (c)?
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1 Mar 2023
Kritika KrishnakumarLv10
28 Sep 2019
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