In any legal system, one finds numerous rules, practices, and constitutional provisions that are incompatible with utilitarian considerations. It is not merely utilitarianism that fails to explain a diverse range of rules and practices. Other theories that, like utilitarianism, involve ex ante...

We provide an axiomatization of generalized utilitarian social welfare functions in the context of Harsanyi's impartial observer theorem. To do this, we reformulate Harsanyi's problem such that lotteries over identity (accidents of birth) and lotteries over outcomes (life chances) are...