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‘Non-interference’ implies equality. (English) Zbl 1184.91087
Summary: We propose a new principle of “non-interference” applied to social welfare orderings. The principle, together with two other standard requirements, implies a strong egalitarian conclusion: the ordering must lexicographically maximize the welfare of the worst off.

91B14 Social choice
91B08 Individual preferences
91B15 Welfare economics
Full Text: DOI
[1] Hammond P (1976) Equity, Arrow’s conditions and Rawls’ difference principle. Econometrica 44: 793–804 · Zbl 0331.90015 · doi:10.2307/1913445
[2] Hammond P (1979) Equity in two-person situations: some consequences. Econometrica 47: 1127–135 · Zbl 0411.90007 · doi:10.2307/1911953
[3] Tungodden B (2000) Hammond equity: a generalization. Discussion paper 20/99, Norwegian School of Economics and Business Administration
[4] Warnock, M (eds) (1962) Utilitarianism. Fontana Press, Glasgow
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