If potential donors for a charity project possess the warm-glow properties in their preferences, we can represent their behavior with a coordination game. Accordingly, we construct a simultaneous incomplete information game model of charitable giving based on a simple global coordination game....

We consider the allotment problems of homogeneous indivisible objects among agents with single-peaked and risk-averse von Neumann-Morgenstern expected utility functions. We establish that the rule satisfies coalitional strategy-proofness, same-sideness, and strong symmetry if and only if it is...

We consider the election model in which voters choose a subset from the set of candidates. Both voters and candidates are assumed to possess preferences with separable strict orderings. We investigate a rule satisfying candidate stability, which is the requirement to deter any candidate from...