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Financial price fluctuations in a stock market model with many interacting agents

Please always quote using this URN:urn:nbn:de:0296-matheon-864
  • We consider a financial market model with a large number of interacting agents. Investors are heterogeneous in their expectations about the future evolution of an asset price process. Their current expectation is based on the previous states of their “neighbors” and on a random signal about the “mood of the market.” We analyze the asymptotics of both aggregate behavior and asset prices. We give sufficient conditions for the distribution of equilibrium prices to converge to a unique equilibrium, and provide a microeconomic foundation for the use of diffusion models in the analysis of financial price fluctuations.

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Metadaten
Author:Ulrich Horst
URN:urn:nbn:de:0296-matheon-864
Referee:Hans Föllmer
Document Type:Preprint, Research Center Matheon
Language:English
Date of first Publication:2004/02/13
Release Date:2004/02/13
Institute:Humboldt-Universität zu Berlin
Technische Universität Berlin
Preprint Number:78
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