We propose a framework to explain why some societies may end up with different constitutional solutions to the problem of maintaining order in the face of self-interested behavior. Though the salient intellectual tradition since Hobbes has focused on how institutional design is used to eradicate...

Since formal rules can only partially reduce opportunistic behavior, third-party sanctioning to promote fairness is critical to achieving desirable social outcomes. Social norms may underpin such behavior, but they can also undermine it. We study one such norm the "don't be a toad" norm, as it...