1) Obtain the reaction function of the first firm. (2) Find the equilibrium (output and profit of each firm) when two firms simultaneously compete
1) Obtain the reaction function of the first firm. (2) Find the equilibrium (output and profit of each firm) when two firms simultaneously compete
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Question
There are two firms in the market (duopoly). These two firms are competing
simultaneously. The first firm chooses its output level (x) by predicting the second firm’s
output (y). Let c denote the total cost function c(x) = x and c(y) = y. Also, let’s assume
that the inverse demand function is p(Y) = 7 - Y where Y = x + y. (1) Obtain the reaction
function of the first firm. (2) Find the equilibrium (output and profit of each firm) when
two firms simultaneously compete
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