Intertemporal equity and the extension of the Ramsey criterion

Marc Fleurbaey, Philippe Michel

Research output: Contribution to journalArticlepeer-review

73 Scopus citations


We examine social orderings applied to infinite intergenerational consumption paths. Fundamental dilemmas between several reasonable axioms lead to a taxonomy and characterization of different kinds of relations, some of which are well known extensions of the Ramsey criterion. We show how filters and ultrafilters can be used to understand the general structure of these extensions and to construct orderings which meet as many axioms as possible.

Original languageEnglish (US)
Pages (from-to)777-802
Number of pages26
JournalJournal of Mathematical Economics
Issue number7
StatePublished - Sep 2003
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Economics and Econometrics
  • Applied Mathematics


  • Intertemporal equity
  • Overtaking criterion
  • Ramsey criterion
  • Ultrafilters


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