In: Economics
D. The first number in each cell is the payoff to player A and the second to player B.
| 
 Player B  | 
||
| 
 U  | 
 D  | 
|
| 
 Player A U D  | 
 (5, 5) (6, 0)  | 
 (0, 6) (2, 2)  | 
What is the pure Nash equilibrium of this game? If the game is repeated infinitely many times and each player has the same discount factor δ < 1, determine the range of δ and a trigger strategy that will lead to a different outcome than the Nash equilibrium each time the game is played.