Question

Consider the stage game below, and suppose it is repeated infinitely many times. To sustain a...

Consider the stage game below, and suppose it is repeated infinitely many times.

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To sustain a SPNE in which players play (C,E) in every period by means of a trigger strategy, the discount rate must be larger than or equal to

a.

2/3.

b.

(C,E) cannot be part of a SPNE.

c.

1/7.

d.

1/3.

e.

3/7.

0 0
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Answer #1

(C,E) can not be part of Nash equilibrium as player 2 will always choose a profitable deviation by playing D

Hence in any setting of grim trigger strategy will not make (C,E) as SPNE .

BY THE WAY this game has only Pure strategy Nash equilibrium and that is (C,D)

Option B is correct

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