Arbeitspapier

Aggregation and the Law of Large Numbers in Economies with a Continuum of Agents

This paper develops a framework in which a model with a continuum of agents and with individual and aggregate risks can be viewed as an idealization of large finite economies. The paper identifies conditions under which a sequence of finite economies gives rise to a limiting continuum economy in which uncertainty has a simple structure. The state space is the product of aggregate states and micro-states; aggregate states represent economy-wide random aggregate fluctuations, while micro-states reflect individual shocks which fluctuate independently around aggregate states and have no further discernible structure. In the special case where shocks in the finite economies are exchangable, the limiting economy satisfies a continuum-version of de Finetti's Theorem. The paper then uses this framework to derive implications for the interpretations of the Strong Law of Large Numbers and the Pettis Integral.

Language
Englisch

Bibliographic citation
Series: Discussion Paper ; No. 1160

Classification
Wirtschaft

Event
Geistige Schöpfung
(who)
Al-Najjar, Nabil
Event
Veröffentlichung
(who)
Northwestern University, Kellogg School of Management, Center for Mathematical Studies in Economics and Management Science
(where)
Evanston, IL
(when)
1996

Handle
Last update
10.03.2025, 11:44 AM CET

Data provider

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Object type

  • Arbeitspapier

Associated

  • Al-Najjar, Nabil
  • Northwestern University, Kellogg School of Management, Center for Mathematical Studies in Economics and Management Science

Time of origin

  • 1996

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