This study analyzes the space of all continuous and discrete games to see whether self-and other-regarding cooperation are similar or inherently different. The solution concept for self-regarding cooperation is the Kantian equilibrium while other-regarding (i.e., altruistic) cooperation...

The conventional wisdom in welfare economics is that temporal welfare analysis is impossible when tastes change. This paper, however, shows that temporal welfare analysis is possible, when agents exhibit the well-documented phenomenon of projection bias. Specifically, we provide the first...