Fair Social Ordering, Egalitarianism, and Animal Welfare

We study fairness in economies where humans consume one private good and public representing the welfare of other species. show that a social evaluator cannot be egalitarian with respect to while always respecting humans’ unanimous preferences. One solution is preferences only when doing so does not lead decrease Social satisfying these properties reveal surprising connections between concerns for species, egalitarianism among humans, unanimity: latter two imply form dictatorship from strongest preference (JEL D11, D63, H41)