Game theory 101
game theory made easy
Bargaining and More
Expected Utility Theory
How NOT to Write a Subgame Perfect Equilibrium
This lecture explains how to precisely define a subgame perfect equilibrium.
A subgame perfect equilibrium is only sensible if we know what players would do when they reach a particular decision.
Thus, the subgame perfect equilibrium must express all actions at all information sets, regardless of whether that information set is actually reached in equilibrium.
Multiple Subgame Perfect Equilibrium