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European Journal of Economic and Social Systems
1292-8895
Parution abandonnée
 

 ARTICLE VOL 18/2 - 2005  - pp.201-232
TITLE
Modeling an Artificial Stock Market. When Cognitive Institutions Influence Market Dynamic

ABSTRACT
The paper presents an artificial financial market designed to analyze market dynamics from the behavior of investors. The model especially allows highlighting the role of a particular kind of institution in the orientation of market dynamics. The information ­ delivered by financial intermediaries as rating agencies and considered as a cognitive institution ­ directs the decisions of investors who are heterogeneous agents endowed with capabilities of learning in a changing environment. We demonstrate that the cognitive institution influences market dynamics as it allows the co-ordination of the decisions of investment in the same direction. The information delivered by rating agencies is clearly a "focal point" for investors and contributes to generate a speculative dynamic on the market. CLASSIFICATION JEL: B25, B52, C63, D83, D84, G12, G14.


AUTEUR(S)
Stéphanie LAVIGNE

KEYWORDS
Artificial Model, Financial Market, Investors, Cognitive Institution, Information, Interactions, Co-ordination, Learning, Speculative Dynamic

LANGUE DE L'ARTICLE
Anglais

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