Remarks concerning concave utility functions on finite sets

Yakar Kannai

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

A direct construction of concave utility functions representing convex preferences on finite sets is presented. An alternative construction in which at first directions of supergradients ("prices") are found, and then utility levels and lengths of those supergradients are computed, is exhibited as well. The concept of a least concave utility function is problematic in this context.

Original languageEnglish
Pages (from-to)333-344
Number of pages12
JournalEconomic Theory
Volume26
Issue number2
DOIs
StatePublished - Aug 2005
Externally publishedYes

Keywords

  • Afriat-Varian algorithm
  • Concave utility
  • Finite sets
  • Least concavity
  • Supergradients

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