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One response to Derek Parfit's ‘mere addition paradox’ invokes the relation of ‘parity’. Since parity is a form of ‘incommensurateness’ in John Broome's terms, three doubts which Broome raises about accounts involving incommensurateness in Weighing Lives pose a challenge for this response. I discuss two of these. They emerge from a discussion of various intuitions about ‘neutrality’. I argue that an account based on parity may be no less consistent with Broome's intuitions than is his own vagueness view.



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Broome, J. 1999. Ethics out of economics. Cambridge
Broome, J. 2001. Greedy neutrality of value. In Value and choice: Volume 2. Some common themes in decision theory and moral philosophy, ed. Rabinowicz:, W.16. Lund
Broome, J. 2004. Weighing lives. Oxford
Carlson, E. 2004. Broome's argument against value incomparability. Utilitas 16: 220–6
Chang, R. 2002a. Making comparisons count. Routledge
Chang, R. 2002b. The possibility of parity. Ethics 112: 659–88
Chang, R. 2005. Parity, interval value, and choice. Ethics 115: 331–50
Griffin, J. 1986. Well-being. Its meaning, measurement and moral importance. Oxford
Griffin, J. 2000. Replies. In Well-being and morality. Essays in honour of James Griffin, ed. Crisp, R. and Hooker, B., 281313
Narveson, J. 1967. Utilitarianism and future generations. Mind 76: 6272
Narveson, J. 1973. Moral problems of population. Monist 57: 6286
Parfit, D. 1984. Reasons and persons. Oxford
Qizilbash, M. 2002. Rationality, comparability and maximization. Economics and Philosophy 18: 141–56
Qizilbash, M. 2005. The mere addition paradox, parity and critical-level utilitarianism. Social Choice and Welfare 24: 413–31
Qizilbash, M. forthcoming. The mere addition paradox, incompleteness and vagueness. Philosophy and Phenomenological Research
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Economics & Philosophy
  • ISSN: 0266-2671
  • EISSN: 1474-0028
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