KnowraSocial welfare functionLinked fromLinked fromThe 25 pages that link to Social welfare function, each with the reason it gives.All 25Broader topic 1Related 19Narrower topic 3Compared with 2Utility functionCompared with: It ranks social outcomes rather than one consumer's bundles.Gibbard–Satterthwaite theoremCompared with: Unlike a social choice function, it returns a ranking, the setting of Arrow's related theorem.