An interview with John C. Harsanyi. - Claude d'Aspremont; Peter J. Hammond (Soc. Choice Welf., 2001)

Equal rights to trade and mediate. - Peter J. Hammond (Soc. Choice Welf., 2003)

Fundamental utilitarianism and intergenerational equity with extinction discounting. - Graciela Chichilnisky; Peter J. Hammond; Nicholas Stern (Soc. Choice Welf., 2020)

Roberts' weak welfarism theorem: a minor correction. - Peter J. Hammond (Soc. Choice Welf., 2023)