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Validation in agent-based models : an investigation on the CATS model

[Zeitschriftenartikel]

Bianchi, Carlo; Cirillo, Pasquale; Gallegati, Mauro; Vagliasindi, Pietro A.

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Abstract In this paper we deal with some validation experiments on the complex adaptive trivial system (CATS) model proposed in Gallegati et al. [Gallegati, M., Giulioni, G., Palestrini, A., Delli Gatti, D., 2003a. Financial fragility, patterns of firms’ entry and exit and aggregate dynamics. Journal of Economic Behavior and Organization 51, 79–97; Gallegati, M., Delli Gatti, D., Di Guilmi, C., Gaffeo, E., Giulioni, G., Palestrini, A., 2005. A new approach to business fluctuations: heterogeneous interacting agents, scaling laws and financial fragility. Journal of Economic Behavior and Organization 56, 489–512]. In particular starting from a sample of Italian firms included in the AIDA database, we perform several ex post validation experiments over the simulation period 1996–2001. In the experiments, the model parameters have been estimated using actual data and the initial set up consists of a sample of agents in 1996. The CATS model is then simulated over the period 1996–2001. Using alternative validation techniques, the simulations’ results are ex post validated respect to the actual data.
Klassifikation Erhebungstechniken und Analysetechniken der Sozialwissenschaften
Freie Schlagwörter Validation; Calibration; Statistical size distributions; ACE models; CATS model; Industrial dynamics
Sprache Dokument Englisch
Publikationsjahr 2008
Seitenangabe S. 947-964
Zeitschriftentitel Journal of Economic Behavior & Organization, 67 (2008) 3-4
DOI http://dx.doi.org/10.1016/j.jebo.2007.08.008
Status Postprint; begutachtet (peer reviewed)
Lizenz PEER Licence Agreement (applicable only to documents from PEER project)
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