Return to the two-player game tree in part (a) of Exercise U2 in Chapter 3. (a) Write the game in strategic form, making Albus the row player and Minerva the column player. Find all of the Nash...

Return to the two-player game tree in part

(a) of Exercise U2 in Chapter 3. (a) Write the game in strategic form, making Albus the row player and Minerva the column player. Find all of the Nash equilibria.

(b) For the equilibria you found in part (a) of this exercise that are not subgame-perfect, identify the credibility problems.