Existence of positive equilibrium price vectors in indivisible goods markets: a note. - Hiroki Saitoh (Math. Soc. Sci., 2004)

Domain expansion of the pivotal mechanism. - Kazuhiko Hashimoto; Hiroki Saitoh (Soc. Choice Welf., 2010)

Strategy-proof and anonymous rule in queueing problems: a relationship between equity and efficiency. - Kazuhiko Hashimoto; Hiroki Saitoh (Soc. Choice Welf., 2012)

Strategy-proof cost sharing under increasing returns: Improvement of the supremal welfare loss. - Kazuhiko Hashimoto; Hiroki Saitoh (Games Econ. Behav., 2015)

Strategy-proof rules for an excludable public good. - Kazuhiko Hashimoto; Hiroki Saitoh (Soc. Choice Welf., 2016)

Characterization of tie-breaking plurality rules. - Hiroki Saitoh (Soc. Choice Welf., 2022)