Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/108993 
Year of Publication: 
2015
Series/Report no.: 
FinMaP-Working Paper No. 38
Publisher: 
Kiel University, FinMaP - Financial Distortions and Macroeconomic Performance, Kiel
Abstract: 
We explore the issue of estimating a simple agent-based model of price formation in an asset market using the approach of Alfarano et al. (2008) as an example. Since we are able to derive various moment conditions for this model, we can apply generalized method of moments (GMM) estimation. We find that we can get relatively accurate parameter estimates with an appropriate choice of moment conditions and initialization of the iterative GMM estimates that reduce the biases arising from strong autocorrelations of the estimates of certain parameters. We apply our estimator to a sample of long records of returns of various stock and foreign exchange markets as well the price of gold. Using the estimated parameters to form the best linear forecasts for future volatility we find that the behavioral model generates sensible forecasts that get close to those of a standard GARCH (1,1) model in their overall performance, and often provide useful information on top of the information incorporated in the GARCH forecasts.
Subjects: 
sentiment dynamics
GMM estimation
volatility forecasting
JEL: 
G12
C22
C53
Document Type: 
Working Paper

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