Interpersonal comparisons of wellbeing (also called interpersonal comparisons of utility) are comparisons involving the welfare levels of different people. Such comparisons are often presupposed in evaluations of social outcomes and in explanations of human
behavior, but are also frequently rejected as meaningless.
D’Aspremont, Claude (2008) Interpersonal utility comparisons (new developments), in Steven N. Durlauf & Lawrence E. Blume (eds.) The New Palgrave Dictionary of Economics, 2nd ed., London: Palgrave