Consider the following inverse demand function, p(Q) = 5-7Q, Q = 91 + 92, where q, denotes firm i's output, i = 1,2. Assume that the total cost of firm i is cq₁/2, with e > 0. Firms choose quantities simultaneously and non cooperatively. The game described above is infinitely repeated. Firms use grim trigger strategies (infinite Nash reversion). Firms discount future profits at a rate r > 0. a) b) Compute the cartel profits. Derive the critical discount factor above which full cartelization (joint profit maximization) is sustainable as a Subgame Perfect Nash Equilibrium (SPNE) of the infinitely repeated game.

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Chapter1: Making Economics Decisions
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Consider the following inverse demand function, p(Q) = 5 – 7Q, Q = q1 +
92, where q; denotes firm i's output, i = 1,2. Assume that the total cost of
firm i is cq:/2, with e > 0. Firms choose quantities simultaneously and non
cooperatively. The game described above is infinitely repeated. Firms use grim
trigger strategies (infinite Nash reversion). Firms discount future profits at a
rate r > 0.
а)
b)
profit maximization) is sustainable as a Subgame Perfect Nash Equilibrium
(SPNE) of the infinitely repeated game.
Compute the cartel profits.
Derive the critical discount factor above which full cartelization (joint
Transcribed Image Text:Consider the following inverse demand function, p(Q) = 5 – 7Q, Q = q1 + 92, where q; denotes firm i's output, i = 1,2. Assume that the total cost of firm i is cq:/2, with e > 0. Firms choose quantities simultaneously and non cooperatively. The game described above is infinitely repeated. Firms use grim trigger strategies (infinite Nash reversion). Firms discount future profits at a rate r > 0. а) b) profit maximization) is sustainable as a Subgame Perfect Nash Equilibrium (SPNE) of the infinitely repeated game. Compute the cartel profits. Derive the critical discount factor above which full cartelization (joint
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