Kumabe, Masahiro; Mihara, H. Reiju - In: Games and Economic Behavior 72 (2011) 1, pp. 187-201
Acyclicity of individual preferences is a minimal assumption in social choice theory. We replace that assumption by the direct assumption that preferences have maximal elements on a fixed agenda. We show that the core of a simple game is nonempty for all profiles of such preferences if and only...