If the off-diagonals are impossible, then it’s not the Prisoners’ Dilemma, it’s just Cake or Death.
Yes; the goal is to replace the PD with Cake or Death, in which case Cake is chosen. Various strategies are available that do this in various situations, and all involve modifying the game or incentive structure.
Yes; the goal is to replace the PD with Cake or Death, in which case Cake is chosen. Various strategies are available that do this in various situations, and all involve modifying the game or incentive structure.