Artikel
Modeling infinitely many agents
This paper offers a resolution to an extensively studied question in theoretical economics: which measure spaces are suitable for modeling many economic agents? We propose the condition of 'nowhere equivalence' to characterize those measure spaces that can be effectively used to model the space of many agents. In particular, this condition is shown to be more general than various approaches that have been proposed to handle the shortcoming of the Lebesgue unit interval as an agent space. We illustrate the minimality of the nowhere equivalence condition by showing its necessity in deriving the determinateness property, the existence of equilibria, and the closed graph property for equilibrium correspondences in general equilibrium theory and game theory.
- Sprache
-
Englisch
- Erschienen in
-
Journal: Theoretical Economics ; ISSN: 1555-7561 ; Volume: 12 ; Year: 2017 ; Issue: 2 ; Pages: 771-815 ; New Haven, CT: The Econometric Society
- Klassifikation
-
Wirtschaft
- Thema
-
Agent space
nowhere equivalence
Nash equilibrium
Walrasian equilibrium
determinateness property
closed graph property
relative saturation
atomless independent supplement
conditional atomlessness
- Ereignis
-
Geistige Schöpfung
- (wer)
-
He, Wei
Sun, Xiang
Sun, Yeneng
- Ereignis
-
Veröffentlichung
- (wer)
-
The Econometric Society
- (wo)
-
New Haven, CT
- (wann)
-
2017
- DOI
-
doi:10.3982/TE1647
- Handle
- Letzte Aktualisierung
-
10.03.2025, 11:42 MEZ
Datenpartner
Dieses Objekt wird bereitgestellt von:
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ZBW - Deutsche Zentralbibliothek für Wirtschaftswissenschaften - Leibniz-Informationszentrum Wirtschaft. Bei Fragen zum Objekt wenden Sie sich bitte an den Datenpartner.
Objekttyp
- Artikel
Beteiligte
- He, Wei
- Sun, Xiang
- Sun, Yeneng
- The Econometric Society
Entstanden
- 2017
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