Part A [Word limit: 400] Consider a two-firm model with a negative production externality. Let x; denote firm i 's output, with i = 1, 2. Suppose that two firms operate in two different competitive markets and each firm sells its product in its respective competitive market, at the 150, respectively, and that they face the same direct prices p₁ = 100 and p2 = x² production cost c/(x;)= Let e(x1, x2)= x₁x2 be the external cost on firm 2's activity generated by the production of firm 1. a. Find each firm's best response function to the output set by the other firm and compute the Nash equilibrium assuming that firms choose their output non-cooperatively and independently. Illustrate the equilibrium in an appropriate graph. b. Calculate each firm's equilibrium profits and the total external cost imposed on firm 2.

Microeconomic Theory
12th Edition
ISBN:9781337517942
Author:NICHOLSON
Publisher:NICHOLSON
Chapter19: Externalities And Public Goods
Section: Chapter Questions
Problem 19.3P
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Part A [Word limit: 400]
Consider a two-firm model with a negative production externality. Let x; denote firm i
's output, with i = 1, 2. Suppose that two firms operate in two different competitive
markets and each firm sells its product in its respective competitive market, at the
150, respectively, and that they face the same direct
prices p₁ = 100 and p2
=
x²
production cost ci(xi)= Let e(x1, x2)= x₁x2 be the external cost on firm 2's
2
activity generated by the production of firm 1.
a. Find each firm's best response function to the output set by the other firm
and compute the Nash equilibrium assuming that firms choose their output
non-cooperatively and independently. Illustrate the equilibrium in an
appropriate graph.
b. Calculate each firm's equilibrium profits and the total external cost
imposed on firm 2.
Transcribed Image Text:Part A [Word limit: 400] Consider a two-firm model with a negative production externality. Let x; denote firm i 's output, with i = 1, 2. Suppose that two firms operate in two different competitive markets and each firm sells its product in its respective competitive market, at the 150, respectively, and that they face the same direct prices p₁ = 100 and p2 = x² production cost ci(xi)= Let e(x1, x2)= x₁x2 be the external cost on firm 2's 2 activity generated by the production of firm 1. a. Find each firm's best response function to the output set by the other firm and compute the Nash equilibrium assuming that firms choose their output non-cooperatively and independently. Illustrate the equilibrium in an appropriate graph. b. Calculate each firm's equilibrium profits and the total external cost imposed on firm 2.
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