Suppose the only difference between the effects of two actions is to whom they apply: either to parties who would – or would not – exist if the actions were not performed. Is this a morally significant difference? This is one of the central questions raised by the Non-Identity Problem. Derek Parfit answers no, defending what he calls the ‘No-Difference View’. I argue that Parfit is mistaken and that sometimes this difference is morally significant. I do this by formulating a familiar kind of example in a new way. I make use of some findings in social psychology to help deflect counterexamples to my view. I then show how my view withstands Parfit's latest argument in favour of the No-Difference View. I conclude with a brief discussion of some questions my argument raises for consequentialist moral theory.
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