Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
Related questions
Question
Consider the infinitely repeated version of the symmetric two-player stage
game in the following figure. The first number in a cell is player 1’s singleperiod payoff. Assume that past actions are common knowledge. Each player’s payoff is the present value of the stream of single-period payoffs, where the discount factor is δi for player i.
a. Define a grim-trigger strategy profile.
b. Derive conditions whereby the strategy profile in (a) is a SPNE.
![Player 2
W
y
a 2,7
1,4
1,3
5,6
b
1,1
2,2
0,4
3,3
Player 1
3,2| 4,3
3,1
8,0
d
4,0
3,1
5,1
2,3
O m](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa7e55bf4-2e68-4346-9866-4a944ba5a9e3%2F74da7ed1-d3cd-49cf-9105-a47adbd56397%2Ft89u1a_processed.png&w=3840&q=75)
Transcribed Image Text:Player 2
W
y
a 2,7
1,4
1,3
5,6
b
1,1
2,2
0,4
3,3
Player 1
3,2| 4,3
3,1
8,0
d
4,0
3,1
5,1
2,3
O m
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