What ethical criterion for intergenerational justice should be adopted, e.g., when faced with the task of managing the global environment? Koopmans’ axiomatization of discounted utilitarianism is based on seemingly compelling ...

Can a tiny gain to sufficiently many well-off justify imposing a much larger sacrifice on the worst-off? We show that if one answers negatively to such a question and endorses replication invariance, one is forced to accept ...