game theory

X iii-@8110 Consider an infinitely repeated game where the game in each period is depicted in the picture. Not Play Play Distrust There is a probabilityp that the game continues next period and a probability (1 p) that it ends. What is the threshold 19* such that when p 2 p* ((Play,Share), (Trust)) is sustainable as a subgame perfect equilibrium by a grim trigger strategy, but when p