Arbeitspapier

Extended Partial Orders: A Unifying Structure for Abstract Choice Theory

The concept of a strict extended partial order (SEPO) has turned out to be very useful in explaining (resp. rationalizing) non-binary choice functions. The present paper provides a general account of the concept of extended binary relations, i.e., relations between subsets and elements of a given universal set of alternatives. In particular, we define the concept of a weak extended partial order (WEPO) and show how it can be used in order to represent rankings of opportunity sets that display a ""preference for opportunities."" We also clarify the relationship between SEPOs and WEPOs, which involves a non-trivial condition, called ""strict properness."" Several characterizations of strict (and weak) properness are provided based on which we argue for properness as an appropriate condition demarcating ""choice based"" preference.

Sprache
Englisch

Erschienen in
Series: Working Paper ; No. 97-6

Klassifikation
Wirtschaft

Ereignis
Geistige Schöpfung
(wer)
Nehring, Klaus
Demiralp, Selva
Puppe, Clemens
Ereignis
Veröffentlichung
(wer)
University of California, Department of Economics
(wo)
Davis, CA
(wann)
1997

Handle
Letzte Aktualisierung
20.09.2024, 08:24 MESZ

Datenpartner

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Objekttyp

  • Arbeitspapier

Beteiligte

  • Nehring, Klaus
  • Demiralp, Selva
  • Puppe, Clemens
  • University of California, Department of Economics

Entstanden

  • 1997

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