… social welfare functions. We do not consider the social correspondence formulation of
nonstrategic social choice nor do we consider strategic social choice.On restricted domains, these …

… In our main theorem, we provide a complete characterization of the domains admitting
nondictatorial Arrovian social welfare functions with ties (ie including indifference in the range) by …

… social alternatives using a social preference. In this chapter, I provide an introduction to social
welfare function … Arrovian social welfare function , which is a function image that assigns a …

… And ratio collective preference means that the social outcome of the social welfare function
(SWF) for collection of individual preferences (or profile) is also a weak order. Two attractive …

… An Arrovian social welfare function for domain P is a function f on P … social welfare function
f on domain P satisfying IIA, and a subset Y of X, we let f | Y denote the social welfare function …

… We characterize the class of Arrovian Social Welfare Functions (ASWFs) as integer … a
nondictatorial Arrovian Social Welfare Function (ASWF). (An ASWF is a social welfare function that …

… We consider social welfare functions that satisfy Arrow's classic axioms of independence
of irrelevant alternatives and Pareto optimality when the outcome space is the convex hull of …

… If it is unique, we are back in the social welfare functions world but now the independence
of irrelevant alternatives is not necessarily binary and Arrow's Theorem 2 cannot be used …

… We will use a>, to show that for each Z e C there is an Arrovian social welfare function fz on
Z satisfying nonimposition, and rationalizing the restriction of 1 to Z. (The restriction of 1 to Z …

… This paper presents two results about preference domain conditions that deepen our
understanding of anonymous and monotonic Arrovian social welfare functions (ASWFs). We …