This post originally appeared on Philosophical Disquisitions. It has been republished under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.
Why do we punish others? There are many philosophical answers to that question. Some claim that we punish in order to incapacitate a potential wrongdoer; some claim that we do it in order to rehabilitate an offender; some claim that we do it in order to deter others; and some claim that we do it because wrongdoers simply deserve to be punished. Proponents of the last of these views are called retributivists. They believe that punishment is an intrinsic good, and that it ought to be imposed in order to ensure that justice is done. Proponents of the other views are consequentialists. They think that punishment is an instrumental good, and that its worth has to be assessed in terms of the ends it helps us to achieve.
The ethical debate about the merits of consequentialism vis-a-vis retributivism is long-running.… Read the rest