NONSTANDARD CONCAVE UTILITY-FUNCTIONS

被引：10

作者：

KANNAI, Y

机构：

[1] Weizmann Institute of Science, Rehovot

来源：

JOURNAL OF MATHEMATICAL ECONOMICS | 1992年 / 21卷 / 01期

关键词：

D O I：

10.1016/0304-4068(92)90021-X

中图分类号：

F [经济];

学科分类号：

02 ;

摘要：

Every reasonable concave preference ordering possesses a concave utility function assuming values in a suitable non-standard extension of the reals. Even if a real-valued concave utility function does exist, this function is not least concave if non-standard utilities are allowed, unless a certain finiteness (or piecewise linearity) condition holds.

引用

页码：51 / 58

页数：8

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