3. Consider the game below. С1 C2 C3 4, 6 1, 1 7, 6 R1 5, 4 R2 8, 5 2, 6 R3 1, 2 0,7 2, 7 3.1. Does the game have any pure strategy NEs? 3.2. Check whether a mixed strategy NE exists in which A is mixing R1 and R2 with positive probabilities, playing R3 with zero probability, while B is mixing C1 and C3 with positive probabilities while playing C2 with zero probability. [Let (p1, P2, P3) be the probabilities with which A plays (R1, R2,R3) and let (q1, 92, 93) be the probabilities with which B plays (C1, C2,C3). Make use of the following NE test: m* is a NE if for every player i, u¿(m² , m_;) = u;(si, m²¡) for every sį E Si|m¡(sji) > 0 and u¡(m¡ ,m²¡) > u¡(s¡,m;) for every si E Si |m¡ (s¡) = 0. Hint: Each player must be indifferent between those of her pure strategies that are used (with positive probability) in her mixed strategy, and unused strategies must not yield a payoff that is higher than the payoff a player gets with her NE (mixed) strategy.] %3D

Managerial Economics: A Problem Solving Approach
5th Edition
ISBN:9781337106665
Author:Luke M. Froeb, Brian T. McCann, Michael R. Ward, Mike Shor
Publisher:Luke M. Froeb, Brian T. McCann, Michael R. Ward, Mike Shor
Chapter16: Bargaining
Section: Chapter Questions
Problem 3MC
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3. Consider the game below.
С1
C2
C3
R1
1, 1
4, 6
8, 5
1, 2
5, 4
R2
R3
2, 6
2, 7
7, 6
0, 7
3.1. Does the game have any pure strategy NEs?
3.2. Check whether a mixed strategy NE exists in which A is mixing R1 and R2 with positive
probabilities, playing R3 with zero probability, while B is mixing C1 and C3 with positive
probabilities while playing C2 with zero probability. [Let (p1,P2, P3) be the probabilities with
which A plays (R1, R2,R3) and let (q1,92, 93) be the probabilities with which B plays
(C1, C2,C3). Make use of the following NE test: m* is a NE if for every player i, u;(mị , m²¿) =
u;(Si, m²¡) for every si E S¡|m¡(sji) > 0 and u¡(m¡ ,m²¡) > u¡(s¡,m;) for every si E S¡ |m¡ (s¡) =
0. Hint: Each player must be indifferent between those of her pure strategies that are used
(with positive probability) in her mixed strategy, and unused strategies must not yield a
payoff that is higher than the payoff a player gets with her NE (mixed) strategy.]
%3D
Transcribed Image Text:3. Consider the game below. С1 C2 C3 R1 1, 1 4, 6 8, 5 1, 2 5, 4 R2 R3 2, 6 2, 7 7, 6 0, 7 3.1. Does the game have any pure strategy NEs? 3.2. Check whether a mixed strategy NE exists in which A is mixing R1 and R2 with positive probabilities, playing R3 with zero probability, while B is mixing C1 and C3 with positive probabilities while playing C2 with zero probability. [Let (p1,P2, P3) be the probabilities with which A plays (R1, R2,R3) and let (q1,92, 93) be the probabilities with which B plays (C1, C2,C3). Make use of the following NE test: m* is a NE if for every player i, u;(mị , m²¿) = u;(Si, m²¡) for every si E S¡|m¡(sji) > 0 and u¡(m¡ ,m²¡) > u¡(s¡,m;) for every si E S¡ |m¡ (s¡) = 0. Hint: Each player must be indifferent between those of her pure strategies that are used (with positive probability) in her mixed strategy, and unused strategies must not yield a payoff that is higher than the payoff a player gets with her NE (mixed) strategy.] %3D
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