Collective choice functions on non-convex problems

被引：6
|
作者：
Mariotti, M [1 ]
机构：
[1] Univ Exeter, Dept Econ, Exeter EX4 4PU, Devon, England
来源：
ECONOMIC THEORY | 2000年 / 16卷 / 02期
关键词：
collective choice; bargaining solutions; monotonicity;
D O I：
10.1007/PL00020951
中图分类号：
F [经济];
学科分类号：
02 ;
摘要：
Collective choice problems on sets in R-+(n) arise naturally in economics. Such problems have been extensively studied both in the theory of revealed preferences (Peters and Wakker, 1991) and in axiomatic bargaining theory under the assumption of convexity. However, our knowledge of collective choice functions on non-convex problems is still patchy. In this paper I study the existence and characterisation of continuous choice functions on the domain Gamma of comprehensive problems. The main result completely characterises rational choice functions that are continuous and satisfy Weak Pareto Optimality: they form the class of Monotone Path Choice Functions on Gamma. I also show that any discontinuous rational and weakly Pareto optimal choice function must be non-anonymous.
引用
收藏
页码：457 / 463
页数：7
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